Laylines — Why Getting There Too Early Can Lose the Race

Reaching the layline feels reassuring — but you may have just run out of choices.

There is something wonderfully comforting about pointing towards a windward mark and thinking:

“We can make it from here.”

No more deciding when to tack. No more wondering which side to choose. Just sail towards the buoy and prepare to round.

Except racing rarely stays that simple.

The wind shifts. Another boat tacks ahead and takes your clean air. The current carries you sideways. Suddenly, what looked like a straightforward approach becomes a slow procession — or an awkward scramble to squeeze in two extra tacks.

Understanding laylines is about more than knowing when you can reach the mark.

It is about recognising when committing to that final approach will cost you the freedom to respond.

What Exactly Is a Layline?

Imagine a windward mark directly upwind.

You cannot sail straight towards it because that would mean sailing into the wind. Instead, you approach close-hauled on either port or starboard tack.

Now imagine extending those two possible final approaches backwards from the mark.

Those imaginary lines are the laylines.

A boat exactly on a layline can just reach and round the mark on that tack, assuming the conditions and its performance remain consistent. There are laylines downwind too, but this article concentrates on the windward mark.

A useful way to picture the arrangement is:

• Between the laylines: you still need some sailing on each tack before reaching the mark.

• On a layline: you can just make the final approach on one tack.

• Beyond a layline: you have gone farther to that side than you needed for the current conditions.

That last situation is called overstanding.

The layline is not a painted line on the water. It is your best estimate of where the final approach begins.

Why the Diagram Is Easier Than the Sailing

On paper, laylines look fixed and tidy.

On the water, their position depends on wind direction, the angle your boat can sail efficiently, leeway and current. Different boats need not share the same laylines.

This matters in mixed fleets.

A dinghy ahead might tack and comfortably make the mark. That does not prove that an A-Rater, another dinghy or a boat sailing in different current will make it from the same place.

Nor should you assume that the boat ahead has judged it correctly.

Perhaps its crew has overstood deliberately. Perhaps it is pinching and barely hanging on.

Another boat is evidence, rather than an answer.

For me, this is part of the attraction of learning to race Champagne. The challenge is to develop judgement about our own boat, rather than simply copy the track of somebody else.

The Trap: Committing While the Mark Is Still Far Away

Imagine two boats approaching the upper part of a beat.

Boat A heads all the way out to the starboard layline, tacks and settles onto a long final approach.

Boat B stays a little farther inside, with a short amount of sailing still required on the other tack.

Boat A’s crew feels reassured. Boat B’s crew still has a decision to make.

But that remaining decision is valuable.

Boat B has kept some freedom to respond to changing conditions. Boat A has committed much earlier.

An early layline approach exposes you to changes for longer: a shift may leave you overstanding or unable to fetch, while traffic can leave you sailing in disturbed air with an expensive escape route.

The problem is not reaching a layline.

The problem is reaching it so early that you spend a large part of the beat with fewer useful choices.

What Happens If the Wind Lifts?

Suppose Boat A is just able to make the mark on starboard tack.

Then the wind lifts it.

The boat can now point higher, and the mark lies below its new close-hauled course. It can ease sheets and sail towards the buoy.

That sounds pleasant — and it may feel fast.

But Boat B, still inside the old layline, may now be able to tack and fetch the mark too. It no longer needs to sail as far out as Boat A did.

Boat A’s earlier journey to the outside has become unnecessary distance.

The lift has helped both boats sail towards the mark, but Boat B retained the position to use it more efficiently.

Sailing faster towards a buoy does not prove that you took the fastest route to it.

What Happens If the Wind Heads?

Now imagine the opposite.

Boat A has committed to its final approach, but the wind heads it. It can no longer sail directly to the mark at a sustainable close-hauled angle.

The tempting response is to squeeze the tiller over and try to point higher.

For a few seconds, that may appear to work. Then speed falls, the foils become less effective and leeway increases.

The boat may end up making even less progress.

If the header persists, an extra pair of tacks may be necessary. Meanwhile, a boat inside the laylines may be better placed to tack and use the new wind direction.

This connects directly with our earlier discussion of oscillating and persistent shifts: you still need to interpret what the wind is doing. Reaching a layline does not make that question disappear.

It can simply make the answer harder to act on.

Dirty Air: When the Final Approach Becomes a Queue

There is another reason the reassuring layline can become uncomfortable.

Other boats want to use it too.

You tack onto what looks like a clean approach. A boat ahead then tacks into your lane. Your sails lose pressure and your speed drops.

You could tack away — but now you are heading away from the direct approach and will probably need another tack to return.

You could continue — but that may mean accepting disturbed air all the way to the mark.

This is why a slightly longer route with clear air can sometimes beat a geometrically tidy approach in a queue. The decision depends on the size of the detour and how badly the other boats are affecting you.

With an A-Rater’s large sail plan, the relationship between positioning and clean air deserves particular attention.

Aboard Champagne, I want the approach conversation to include:

“Will we still have usable wind?”

That is a different question from simply asking whether we can point at the buoy.

Overstanding: The Hidden Cost of “Just to Be Safe”

A small allowance can be sensible.

Repeatedly sailing a long way beyond the estimated layline “to be certain” can become expensive.

Consider a deliberately simplified example: flat water, no current, steady wind and close-hauled tracks at 45 degrees to the upwind direction.

A boat continues 20 metres beyond the correct tacking point. After tacking, it can reach directly towards the mark.

If the original tacking point was 100 metres from the mark, the new direct approach is approximately 102 metres long. The boat has sailed:

20 + 102 = 122 metres

instead of approximately 100 metres.

That is about 22 metres extra. At an illustrative speed of 2 metres per second:

Extra time = extra distance / speed

Extra time = 22 / 2 = approximately 11 seconds

The exact result changes with the geometry, speed and conditions. It is not a universal overstanding formula.

But it demonstrates why “only a little farther” can matter in a close race.

River Racing: Your Bow Can Point at the Mark While Your Track Misses It

On the Thames, the boat’s heading tells only part of the story.

Your movement over the ground combines movement through the water with the river’s flow.

In plain text:

Ground velocity = boat velocity through the water + current velocity

Those velocities have directions as well as speeds.

If current carries you away from the mark, you need to allow for it. If it carries you towards the mark, sailing to the position you would use in still water may cause you to overstand.

For an illustrative scale, a sideways current component of 0.3 metres per second produces:

Sideways displacement = 0.3 x 60 = 18 metres in one minute

That assumes a constant current component, but it shows why a short final approach can change substantially.

On a river, current may also vary across the course. A boat approaching through stronger flow cannot automatically use the judgement of one nearer the bank.

The useful question is:

“Are we tracking towards a successful rounding?”

Looking at the buoy over the bow is not enough.

When Getting There Early Can Be Sensible

“Stay off the layline” is a useful warning, but it is not an absolute rule.

An earlier commitment may be justified when:

• A reliable wind or current advantage makes that side worthwhile.

• A bank or obstruction limits your next move.

• A clear approach is available now, with congestion developing elsewhere.

• Conditions make another tack particularly costly.

• A modest margin gives a more reliable rounding.

For example, current setting boats away from the mark can justify allowing extra room rather than joining a group that is struggling to fetch.

The distinction is between a deliberate allowance and an unexamined habit.

Choose the margin for a reason.

Do Not Replace an Early Commitment with a Last-Second Gamble

There is a trap at the other extreme.

Trying to preserve every possible option until the final moment can leave you approaching on port tack, searching for a gap in a line of starboard-tack boats.

Tacking near the mark also brings additional rules considerations. Under the current rules, rule 18.3 places specific restrictions on a boat tacking from port to starboard in the zone at a mark to be left to port.

The aim is to leave enough room and time to complete a controlled, lawful approach.

Tactical flexibility is valuable only if you can turn it into a workable rounding.

A Better Conversation Aboard Champagne

I find it useful to turn a complicated idea into a few questions the crew can actually use.

Rather than asking only:

“Can we make it?”

I would like the conversation aboard Champagne to become:

1. Can we make it at normal speed, without pinching?

2. What is the current doing to our track?

3. Will we have clear air?

4. What happens if the wind changes?

5. Where is our escape route?

These questions encourage the crew to look beyond the immediate comfort of pointing towards the mark.

A useful call might be:

“We look close, but the current is setting us down. Allow a little more.”

Or:

“We can fetch, but that boat will cover us. Let’s protect our air.”

The purpose is to make an earlier, better-informed decision.

Try This Before Your Next Race

Choose a practice mark with plenty of room and little traffic.

Make an approach on each tack. Before the final tack, call whether you think you are short, exactly on the layline or comfortably beyond it.

Then test the judgement.

Sail at your normal close-hauled angle and speed. Avoid pinching to make your prediction appear correct.

Afterwards, ask:

• Did we fetch comfortably?

• Did we need to bear away significantly?

• Did current move us sideways?

• Did the wind change during the approach?

• What clue should we use next time?

Repeat in different conditions.

The aim is to build a feel for your boat and learn how much confidence to place in the estimate.

Conclusion: Aim for a Good Approach, Not an Early Promise

The layline offers an appealing promise:

From here, the decisions are over.

But the race continues. Wind changes, current varies and other boats interfere.

Commit too early and you may spend the final part of the beat defending a decision that has stopped working. Wait too long and you may create a rushed, congested rounding.

The skill is judging when the remaining flexibility is worth more than the certainty of the final approach.

For those of us developing our racing aboard Champagne, that is a useful lesson: look beyond whether the boat can reach the mark and consider the quality of the route.

Reach the layline with a plan — and before then, keep your choices working for you.

Follow the Learning to Race — From First Start to Better Results series at pmrsailing.uk, as we explore the decisions that turn boat speed into better racing.

Return to sailing website https://pmrsailing.uk/Lessons.html

 

Dirty Air — Why Following Another Boat Can Feel Like Sailing Into a Hole

Learning to Race — From First Start to Better Results

The boat ahead isn’t only blocking your route — it may be stealing your wind.

You are sailing towards the windward mark. The boat feels balanced, the sails are drawing and you seem to be keeping pace with the fleet.

Then another boat crosses ahead and tacks.

Nothing obvious changes on the river. There is still breeze on the water. Yet your boat suddenly feels lifeless. The jib telltales become restless, the mainsail loses pressure and the boat ahead begins to pull away.

You try pointing higher to follow it. That makes things worse.

You pull the sheets tighter. That does not help either.

It feels as though you have sailed into a hole.

You may have entered dirty air: airflow disturbed by another boat’s sails. Learning to recognise it — and deciding when and how to escape — is an important step from simply sailing the course to racing it effectively.

What Is Dirty Air?

Sails generate force by changing the movement of air around them. The air leaving a sail has therefore been affected by that sail.

For another boat nearby, this can mean:

• reduced wind speed;

• a different wind direction;

• turbulent, uneven airflow.

These effects overlap, but they are not identical. Sometimes your sails lose pressure. Sometimes they remain reasonably full, yet you can no longer point as high as a neighbouring boat.

A boat can therefore damage your performance before your sails visibly collapse. Upwind, slower and headed airflow can leave you sailing both lower and slower than your rival.

Dirty air is a problem with the wind reaching your boat. Good sail trim still matters, but it cannot restore the undisturbed airflow another boat has taken away.

A Wind Shadow Is Not Simply Behind the Transom

Imagine sheltering behind a building on a windy day. You may feel less wind, but also sudden swirls and changes in direction.

A sailboat produces a moving, more complicated version of that disturbance.

However, its wind shadow does not necessarily follow its track through the water.

That distinction matters:

A boat’s water wake follows its passage. Its disturbed airflow extends downwind from its rig.

The apparent wind — the wind experienced by the moving boat — provides a useful starting point for understanding where that disturbance travels. Sail deflection and turbulence complicate the exact shape.

Consequently, a boat ahead and to windward can be affecting you even though you are nowhere near its water wake.

There is no universal boundary measured in boat lengths. Rig size, wind strength, sailing angle and relative positions all matter.

The useful question is:

“Is the air reaching my sails passing through the influence of that boat first?”

Wind Shadows and Backwinding: What Is the Difference?

Racing conversations often use “dirty air”, “blanketing” and “backwinding” rather loosely. It helps to separate the main ideas.

Wind shadow or blanketing

Another boat lies between your rig and the incoming wind. Your sails receive weaker, disturbed airflow.

You may notice reduced heel, less pressure in the sheets and a loss of speed.

Backwinding and a local header

A nearby boat can also deflect the wind so that it reaches your sails from a less favourable direction.

On a beat, this can feel like a header: you need to bear away to keep the sails drawing.

A particularly frustrating position is close to windward and slightly behind another boat. The leeward boat’s influence can make it difficult to maintain your lane. Trying to hold its heading may leave your sails luffing and your speed falling.

Backwinding can also describe the front of a mainsail being pushed inward by airflow from its own jib. That is a separate interaction within one boat’s sail plan.

The practical lesson is straightforward:

Another boat can hurt your sailing angle as well as your speed.

Why “Just Behind” Can Become “Much Further Behind”

At first, staying close to the boat ahead feels sensible. You are following a successful route and keeping your opponent within reach.

But consider an illustrative example.

Two boats would otherwise make the same progress towards the windward mark. One enters disturbed air and loses 0.3 metres per second of progress towards it.

After one minute:

Additional distance lost = 0.3 x 60 = 18 metres

Those figures are an example, rather than a prediction for every boat. They show why a small, sustained disadvantage matters.

The loss may also become harder to reverse:

1. Reduced sail force slows the boat.

2. The slower boat has less effective steering and may make more leeway.

3. The helm tries to recover height by pointing higher.

4. The sails lose further drive.

5. The boat ahead continues towards the mark in better air.

A small initial gap becomes a substantial separation.

Meanwhile, a third boat sailing a slightly longer route in clear air may pass both your position and your expectations.

Close to the leader does not always mean close to matching the leader’s performance.

How to Recognise Dirty Air Before You Lose Too Much

No single symptom proves that another boat is responsible. River sailing includes genuine lulls, bank shelter, shifts and changes in current.

Look for several clues together.

Your boat changes as another boat moves into position

You were sailing comfortably. Another boat crosses, tacks or establishes itself ahead and to windward. Your performance then deteriorates.

The timing is a useful clue.

Nearby boats retain pressure

Your boat becomes upright and sluggish while boats outside the suspected shadow remain powered up.

They may have access to better air.

You cannot match the other boat’s heading

You can keep the jib drawing only by sailing lower, despite having held a better angle moments earlier.

The telltales become difficult to settle

Small steering or trimming adjustments no longer produce the response you expect.

The boat recovers after you create separation

Pressure returns, steering improves and the sails settle as you move away.

That recovery is valuable feedback. Remember the relative positions that caused the problem.

Escaping Upwind: Choose a Route Back to Useful Air

The answer is not automatically “tack immediately”.

An escape has a cost, and the new position needs to be better than the old one.

Option 1: Tack into an open lane

If you are losing steadily and the opposite tack offers clear air, tacking away may be the simplest solution.

Before committing, check:

• other boats and room to complete the manoeuvre;

• the bank, shallows and available water;

• current and wind pressure on the new route;

• whether you are exchanging one boat’s shadow for another.

Tack with enough speed to complete the manoeuvre cleanly, then allow the boat to accelerate.

Do not rush to tack back simply because the leader is still sailing the other way. First establish that you have recovered useful air.

Option 2: Bear away to build speed and separation

If you are near the edge of a disturbed area, bearing away slightly may help you accelerate and work clear.

This can be useful when you have open water to leeward and want to continue on the same tack.

But it is not a guaranteed escape. Sailing lower beneath a boat that remains directly to windward may leave you in its shadow for longer.

Judge the result by returning pressure and speed.

Option 3: Hold briefly for an opening

Sometimes the disruption will be short-lived.

A crossing boat may continue away. A boat ahead may be about to tack at the bank. You may be seconds from rounding a mark.

In those situations, a costly manoeuvre could lose more than a brief period of dirty air.

There is a difference between waiting for a specific opening and hoping that a persistent problem will disappear.

Ask:

“What is about to change that will give us better air?”

If there is no convincing answer, start planning an escape.

Do Not Try to Solve Everything With the Sheets

When a boat slows, pulling harder on the sheets is an understandable reaction.

But excessive sheeting can make an underpowered boat harder to accelerate.

Instead:

• steer to the airflow you actually have;

• adjust trim to keep the sails working;

• keep the boat balanced;

• minimise unnecessary rudder movement;

• identify a route to better air.

On emerging from the disturbance, rebuild speed before asking the boat to point at its highest useful angle.

Recover drive, then recover height.

Downwind: The Boat Behind Can Take Your Wind

On a beat, we tend to watch the boats ahead.

On a run, the threat may come from astern.

With the wind coming from behind, a following boat can place its sails between your rig and the incoming breeze. It may then gain as your sails lose pressure.

This is one reason a comfortable lead can begin shrinking unexpectedly on a downwind leg.

On reaches and faster downwind angles, the apparent wind may be well forward of directly astern. The dangerous position therefore changes with the boats and their sailing angles. Avoiding downwind wind shadows is a positioning skill in its own right.

Keep looking behind as well as ahead.

If another boat is moving into a position that could blanket you, consider creating separation while you still have speed. A course adjustment or a planned gybe may help, depending on the course, traffic and available water.

A late escape from a collapsed sail is usually harder than an early decision made while the boat is still moving well.

Why This Matters So Much Around an A-Rater

An A-Rater’s tall rig and substantial sail plan make airflow a particularly interesting part of river racing.

With Champagne, the lesson extends beyond the narrow hull visible on the water. The rig occupies a much larger space, and its influence on neighbouring boats deserves attention.

For a smaller boat nearby, that large sail plan is a good reason to anticipate possible disturbance rather than wait for a sudden loss of drive.

That does not give Champagne a fixed, invisible exclusion zone. The affected area changes with the conditions and relative positions.

Nor does a large rig make an A-Rater immune to dirty air. Champagne still needs access to useful airflow, and the crew still needs to recognise when another boat is compromising it.

For me, this is one of the most absorbing aspects of racing her: the contest takes place in the air above the river as well as on its surface.

The space between the hulls tells only part of the story.

On the Thames, Clear Air Must Fit the River

On open water, escaping may involve a relatively straightforward tack into space.

On the Thames, that space can be limited.

A tempting escape route may lead towards:

• shelter from trees or buildings;

• stronger adverse current;

• shallow water;

• another group of boats;

• a bank that forces an early tack.

Imagine following a boat along a sheltered bank to avoid stronger current in the middle.

You begin losing pressure in its dirty air. Tacking towards the centre might restore the breeze, but expose you to more stream. Continuing along the bank might protect you from the current while leaving you unable to sail efficiently.

There is no automatic answer.

You must compare the likely losses: dirty air, current, extra distance and manoeuvring.

This connects directly with the earlier distinction between strategy and tactics. Your preferred route along the bank is the strategy. Another boat compromising your airflow creates the tactical problem.

A good route still needs a workable sailing lane.

Do Not Mistake Another Boat’s Header for a Change Across the Course

In the previous articles, we explored headers, lifts and the difference between oscillating and persistent shifts.

Dirty air adds another question:

Has the wind changed across the course, or only where I am sailing?

If your apparent header begins when another boat settles close ahead, be cautious about treating it as evidence of a wider wind shift.

Look at boats in clear air. Are their headings changing too? Does your original angle return when you separate?

A local airflow problem may need a local escape. It does not necessarily justify abandoning your whole race plan.

A Simple Practice Exercise: Find the Edge

Two boats can explore this outside a race, in suitable open water.

Agree the exercise beforehand, keep ample separation and avoid other traffic.

1. Sail on the same tack with steady trim and reasonably consistent speed.

2. Position one boat ahead and to windward of the other.

3. Let the following crew note changes in pressure, telltales, heading and speed.

4. Gradually create separation and observe when the boat recovers.

5. Swap roles and repeat.

The aim is not to sail dangerously close or establish a universal distance.

It is to connect relative position with what the boat feels like.

Afterwards, discuss:

• Did pointing ability change before speed?

• How obvious was the loss of pressure?

• Which route restored useful air most efficiently?

• Did the result change when the breeze changed?

Those observations are far more useful than memorising an arbitrary number of boat lengths.

The Personal Lesson: Stop Following and Start Assessing

Following another boat is reassuring. It removes the need to choose a route and makes the next decision feel less urgent.

Yet racing requires us to question that comfort.

Am I following because this remains the best route, or because I have stopped assessing my own situation?

Aboard Champagne, the question I want us to keep asking is:

“Are we sailing in the air we need, or accepting the air another boat leaves us?”

That encourages the whole crew to contribute. One person may notice pressure returning farther out. Another may see a gap opening. The helm may feel the loss of steering response first.

Recognising the problem together makes an earlier, calmer decision possible.

Conclusion: Find the Wind That Lets Your Boat Work

Dirty air can be deceptive. Your sails may remain full, your course may look sensible and the boat ahead may seem only a little faster.

But weaker, deflected airflow can steadily turn a small gap into a large one.

Recognise the symptoms. Compare your boat with those in clear air. Decide whether to tack, create separation or wait briefly for a definite opening.

Above all, choose where you can sail effectively.

The next time your boat feels as though it has fallen into a hole, look beyond the sheets and tiller. The way out may be a better patch of air.

Follow the Learning to Race series and Champagne’s progress at pmrsailing.uk.

Return to sailing website https://pmrsailing.uk/Lessons.html

 

Oscillating or Persistent? Not Every Wind Shift Should Be Treated the Same Way

Learning to Race — From First Start to Better Results

Sometimes a header tells you to tack. Sometimes it tells you to stay exactly where you are.

You are sailing towards the windward mark when the wind changes direction. The sails begin to lift, you bear away to keep the boat moving, and suddenly your bow points further from the mark.

You have been headed.

The familiar advice springs to mind: “Tack on a header.”

Often, that is a useful response. But sometimes it sends you towards the wrong side of the course, just as the wind is making that side increasingly unattractive.

The next step in learning to race is understanding that a wind shift has more than a direction and a size. It also has a pattern.

Is the wind swinging backwards and forwards? Or is it progressively turning one way?

That distinction can change your whole plan for the beat.

First, Remember What a Header Actually Means

On an upwind leg, a lift allows you to sail a heading closer to the windward mark. A header forces you to sail a heading further away.

For two boats on opposite tacks, the same change in wind direction generally lifts one and heads the other.

In the previous article, Headers and Lifts — Turning Wind Shifts Into Distance, we explored why this matters: two boats can sail at similar speeds yet make very different progress.

Now we need to add another question:

What is likely to happen after this shift?

The answer determines whether you should take the immediate improvement offered by a tack, or accept a less attractive heading while positioning for what comes next.

Oscillating Wind: The Swing That Comes Back

An oscillating breeze shifts backwards and forwards around a broadly stable average direction.

Imagine these illustrative wind-direction readings, taken at regular intervals:

270 degrees → 280 degrees → 270 degrees → 260 degrees → 270 degrees.

The wind swings right, returns, swings left and returns again.

Real wind is less tidy. The shifts may vary in size and duration, and you cannot assume that they arrive on schedule. Nevertheless, repeated returns towards a similar direction suggest an oscillating pattern.

In these conditions, sailing the lifted tack is often productive. When the wind crosses to the other side of its average direction, changing tack can let you take advantage of the new phase.

A practical example

Suppose you have established a normal close-hauled heading on each tack before the start.

On starboard, you are now sailing noticeably worse than your normal heading. Meanwhile, port would offer a better heading than its own normal value.

Provided you have room, clear air and a worthwhile shift, tacking makes sense.

You are responding to a meaningful change relative to the average—not simply to the fact that your bow moved a little.

That distinction matters. A boat can lose some of a generous lift and still remain on the favourable tack.

“We have been headed” does not always mean “we are now on the headed tack.”

Persistent Wind: The Shift That Keeps Going

A persistent shift moves predominantly in one direction over the period that matters to your race.

An illustrative sequence might be:

250 degrees → 260 degrees → 270 degrees → 280 degrees.

Instead of returning towards its earlier direction, the wind keeps turning clockwise.

“Persistent” does not mean forever. It means that you expect the change to continue, or the new direction to remain, long enough to influence your route to the mark.

A shift that reverses after fifteen minutes may be effectively persistent during a five-minute beat.

Here the strategic priority changes. You generally want to position towards the side from which you expect the new wind direction to arrive.

For a continuing right shift, that usually means favouring the right side of the beat, looking upwind. For a continuing left shift, it usually means favouring the left.

Why Staying on a Header Can Be the Right Decision

This is the part that can initially feel backwards.

Imagine an open-water beat with the mark initially straight upwind. You have credible evidence that the wind will continue shifting right.

Port tack takes you towards the right side of the course. As the wind turns right, port is headed.

Tacking immediately onto starboard would give you a lift—but would also send you back towards the left.

If the rightward trend continues, a boat that has stayed further right can gain an advantage. When it eventually tacks onto starboard, the changed wind direction gives it a better approach towards the mark.

In the simplified case:

Expected continuing right shift: favour the right, often sailing port first.

Expected continuing left shift: favour the left, often sailing starboard first.

This is why “tack on every header” can fail. It can repeatedly pull you away from the side that the developing wind favours.

However, this is a positioning principle, not an instruction to sail indefinitely away from the mark. Your starting position, remaining distance, current, wind strength and the course boundaries still matter.

There is no prize for predicting the shift correctly and sailing beyond the useful turning point.

How Can You Tell Which Pattern You Have?

One shift is an event. Several observations begin to reveal a pattern.

Before the start, spend some time sailing close-hauled on both tacks. Notice your normal headings and the range of variation.

During the race, ask:

• Does the wind repeatedly return towards its earlier direction?

• Are successive highs and lows moving progressively one way?

• Are boats elsewhere experiencing the same change?

• Does the change happen in the same place on each lap?

• How long remains before we reach the mark?

A compass helps, but useful observations are possible without one. Compare your bow with distant landmarks while sailing properly close-hauled, and watch the headings of boats in clear air.

Keep comparisons consistent. A course over the ground shown by GPS is affected by current; it is not the same thing as the direction in which the bow points.

Also check that the apparent header is really a direction change. Dirty air, a lull, poor trim or a change in boat speed can alter what you feel through the sails.

Do not build an entire strategy around a boat that has simply slowed down.

River Racing Adds Another Possibility: The Wind Changes with Place

On the Thames, trees, buildings and the shape of the river complicate the picture.

Imagine that you sail towards a particular stretch of bank and experience a header. On the next lap, it happens again in almost the same place.

That may be a geographical wind change rather than a breeze progressively turning across the whole course.

The distinction is:

Has the wind changed while we have been sailing, or have we sailed into different wind?

On a river, both can happen together.

Consider an illustrative choice between two routes. The right offers the expected favourable shift, but lies beneath trees in noticeably weaker wind. The left has a less attractive angle but stronger pressure.

In light conditions, the stronger wind may outweigh the directional advantage.

Current can change the calculation again. When beating against the flow, quieter water near a bank may help—but only if there is enough breeze to keep the boat moving.

River racing rewards a combined judgement:

Wind angle, wind strength and current must be considered together.

The Breeze Can Oscillate While Its Average Moves

The wind does not always fit neatly into one category.

Consider:

250 degrees → 265 degrees → 255 degrees → 275 degrees → 265 degrees → 285 degrees.

There are reversals, but the overall trend is towards the right.

Here you may still use the smaller oscillations to choose your moments to tack, while gradually working towards the right side.

That requires more thought than either “always tack” or “always stay”.

It also means updating your reference headings. A number that represented a good lift ten minutes ago may no longer be favourable if the average direction has changed.

Your observations should update your plan, not merely decorate it.

What This Means Aboard Champagne

Aboard an A-Rater such as Champagne, I would make this part of the conversation between the crew.

There is a useful difference between:

“Header—tack!”

and:

“Header again. Is this another swing, or are we still working towards the right?”

The second call gives the helm information about the decision, rather than just the latest symptom.

A simple division of attention could help: one person watches boats and approaching pressure, another keeps track of headings and the mark, while the helm concentrates on sailing the boat efficiently.

For me, the appeal of racing is increasingly this combination of observation, discussion and judgement. Boat handling remains essential, but the more interesting question becomes why we are choosing a particular route.

A well-executed tack is valuable. A well-executed tack made for a poor reason can still lose ground.

Try This During Your Next Club Race

Choose one beat as an observation exercise.

Before the start, establish a rough normal heading on each tack. During the beat, identify a few meaningful shifts and say what you think is happening:

“Swinging back.”

“Still trending right.”

“Different wind by the trees.”

Afterwards, compare your expectation with the result.

Did the wind return? Did the trend continue? Did another boat gain because it found more pressure rather than a better angle?

Avoid judging the decision solely by where you finished. You can make a sensible decision that loses to an unexpected change, just as a poor decision can occasionally be rescued by luck.

The aim is to improve the evidence behind your next choice.

Near the Mark, Time Changes the Answer

Even a normally oscillating breeze may need a different response near the end of the beat.

If the wind usually swings back after several minutes, but you are only forty seconds from the mark, the next reversal may arrive too late to matter.

Reaching the mark efficiently now becomes more important than positioning for a future swing.

Similarly, a persistent-shift strategy must stop short of overstanding: sailing further than necessary because you failed to account for how the changing wind moved the layline.

Keep asking:

Will the change I am waiting for happen before it can still help me?

Conclusion: Read the Pattern Before Choosing the Response

“Tack on a header” remains useful advice. Understanding when to apply it makes it more useful.

An oscillating breeze often rewards taking the favourable tack as the wind swings. A persistent shift often rewards positioning towards the expected new direction, even when the first part of that route feels uncomfortable.

On the river, pressure, current and local wind bends add further layers to the decision.

You will not predict every shift. Nobody does. But you can replace an automatic response with a reasoned one.

The next time your sails lift and the bow falls away from the mark, ask:

“Is this wind coming back—or am I watching the course change?”

That is a significant step from learning to sail a race to learning how to think your way around one.

Follow Learning to Race — From First Start to Better Results at pmrsailing.uk, alongside the continuing story of A-Rater Champagne.

Return to sailing website https://pmrsailing.uk/Lessons.html

 

Headers and Lifts — Turning Wind Shifts Into Distance

Learning to Race — From First Start to Better Results

The wind can move you twenty metres up the racecourse without making your boat any faster.

That sounds like an extravagant claim. Yet two boats can sail at exactly the same speed and make very different progress towards the windward mark.

One is sailing a favourable angle. The other is travelling just as quickly, but spending more of that speed going sideways across the course.

The difference is often a wind shift.

In the Improving Sailing series, we explored changing wind direction, reading the water and why the breeze sometimes fades when rain arrives. Now we can turn those observations into racing decisions.

Recognising a shift is useful. Understanding what to do with it is where the distance comes from.

A Lift Changes Your Direction, Not Your Height

In sailing, a lift does not mean that the wind physically lifts the boat out of the water.

When sailing upwind, a lift is a change in wind direction that allows you to steer closer to the overall direction of the windward mark while maintaining a good sailing angle to the wind.

A header, sometimes called a knock, does the opposite. It forces you to bear away from your previous heading to keep the sails working.

Imagine beating towards a buoy at the far end of the river.

Your boat is sailing comfortably, with the sails drawing and the telltales behaving. Then the wind changes.

If you can turn a little towards the mark without losing speed, you have been lifted.

If the sails begin to luff and you must turn farther away from the mark to restore their flow, you have been headed.

There is an essential qualification: these descriptions are most useful on an ordinary beat, before you have reached or passed a layline. Your position on the course still matters.

A favourable sailing angle is only useful if it takes you somewhere useful.

The Same Shift Helps One Tack and Hurts the Other

Suppose the wind initially comes from north, and your windward mark lies north of you.

For a simple example, assume your boat sails 45 degrees away from the direction the wind comes from.

On starboard tack, you head approximately north-west. On port tack, you head approximately north-east.

Now the wind shifts ten degrees clockwise, towards north-east.

Tack	Original heading	Heading after the shift	Effect
Starboard	315 degrees	325 degrees	Lift: the course is closer to north
Port	045 degrees	055 degrees	Header: the course is farther from north

The same wind shift produces opposite results.

For this straightforward upwind situation:

• A clockwise, or right-hand, shift lifts starboard tack and heads port tack.
• An anticlockwise, or left-hand, shift lifts port tack and heads starboard tack.

You do not need to memorise compass numbers immediately. Start by asking:

“Has my useful close-hauled course improved, or am I being pushed farther away?”

How a Wind Shift Can Be Worth Twenty Metres

Let us make the opening claim concrete.

Imagine two boats sailing through different local wind angles. Both travel at 2 metres per second for 80 seconds.

Each sails 160 metres through the water.

However:

• Boat A sails at 40 degrees to the direct bearing of the mark.
• Boat B sails at 50 degrees to that bearing.

Ignoring current and assuming the bearing remains approximately constant over this short comparison:

Progress towards the mark = distance sailed x cos(angle to the mark)

Therefore:

Boat A: 160 x cos(40 degrees) = approximately 123 metres

Boat B: 160 x cos(50 degrees) = approximately 103 metres

Boat A makes approximately twenty metres more progress towards the mark, despite sailing at exactly the same speed.

This is an illustration, rather than a prediction for every race. Real boats accelerate, lose speed in manoeuvres, experience current and eventually need to complete the remaining geometry of the beat.

Nevertheless, it demonstrates the principle beautifully:

Speed matters. The direction in which you use that speed matters too.

A wind shift does not instantly transport the boat twenty metres forward. Its benefit accumulates as you sail the better angle.

“Tack on Headers, Sail the Lifts”—A Useful Starting Point

When the wind swings back and forth around an average direction, sailors describe it as oscillating.

In those conditions, the familiar advice is:

Tack on significant headers and stay on useful lifts.

If you are headed on one tack, the other tack may now offer the favourable angle. When the wind swings back, the advantage can reverse.

US Sailing’s racing guidance connects sailing towards the next shift with tacking on headers in an oscillating breeze, while also distinguishing oscillating, persistent and geographical shifts. US Sailing

Picture a broad section of river with sufficient room to manoeuvre.

You are on port tack. A sustained shift forces you to bear away noticeably. There is clear water for a tack, and the other tack keeps you in reasonable breeze.

Tacking onto starboard may allow you to use the same shift as a lift.

You have not discovered extra boat speed. You have changed how efficiently you are using it.

But the word significant is doing some work here.

A brief wobble in the breeze is not necessarily worth a tack.

A Small Header Is Not an Automatic Instruction

Every tack has a cost.

The boat turns, the sails change sides, the crew moves and the boat must recover its speed. That cost depends on the boat, the conditions and the quality of the manoeuvre.

A short-lived header may disappear before the tack has paid for itself.

Before committing, ask:

1. Is this a real direction change?
2. Is it large enough, and lasting long enough, to matter?
3. Will the other tack keep us in useful wind?
4. Do we have room, and does it fit the course plan?

On a narrow river, another boat or the bank may settle the decision before the wind does.

The aim is to make fewer expensive mistakes, not to perform the greatest number of tacks.

Compare the Shift with the Average Wind

Here is a subtle point that can improve your decisions considerably.

Suppose your normal close-hauled heading on starboard is 315 degrees.

A lift allows you to sail at 325 degrees. Then the wind moves back slightly and your heading becomes 321 degrees.

You have experienced a four-degree header compared with the previous moment.

But you are still six degrees lifted compared with your normal heading.

Tacking simply because the heading became slightly worse could take you off a tack that remains favourable.

This is why experienced sailors try to establish a reference before racing.

Sail on both tacks where space allows. Notice the usual headings and the range of variation. Use a compass if you have one, or distant landmarks if you do not.

Judge the wind against a useful baseline, as well as against its last movement.

How to Recognise a Shift Without Staring at Instruments

A compass can help, but observation should extend beyond the cockpit.

Watch the sails

A genuine header may make the windward jib telltale lift or the leading edge begin to luff if you hold your course.

A lift may allow you to head up gradually while maintaining good flow and speed.

Avoid forcing the bow higher simply because you want the mark to be closer. Pinching can turn a useful lift into a slow boat.

Use a distant landmark

Choose something well ahead: a distinctive tree, roofline or other fixed feature.

If your well-trimmed close-hauled course changes relative to that feature, you have a useful clue.

A landmark shows your heading. It does not, by itself, tell you your actual track over the ground.

Watch other boats

Boats ahead may enter a new wind angle before you do.

If several boats on the same tack change heading together, take notice. A single boat turning could simply be steering poorly or avoiding traffic.

Read the water

Darker, more textured patches can indicate stronger breeze. Look for their movement and compare them with changes in boats and flags.

They are clues to investigate. They do not tell you the wind direction with certainty.

The strongest evidence comes when several observations agree.

Is It a Header—or Has the Wind Simply Faded?

This connects directly with the earlier article about rain and disappearing wind.

Your sails respond to apparent wind: the airflow resulting from the true wind and the boat’s movement.

If the true wind suddenly weakens while the boat initially retains speed, the apparent wind can move forward. The sails may behave as though you have been headed, even when the true wind direction has barely changed.

That makes this question especially useful:

“Has the wind turned, weakened, or done both?”

Look at the water. Has the texture faded? Have several boats lost power? Has your boat slowed?

An immediate tack in a lull can leave you struggling to accelerate on the other side.

First keep the boat moving, adjust trim and steering, and reassess.

Rain itself is not a reliable signal to tack. Showers and widespread frontal rain are different weather situations; the Met Office explains that showers commonly involve downdraughts, while extensive organised rain can be associated with fronts. Met Office

Your earlier observation—that the breeze often dies when rain begins—is a valuable prompt to watch more closely. It should not become a universal rule.

Oscillating and Persistent Shifts Need Different Thinking

An oscillating breeze swings around an average.

A persistent shift continues broadly in one direction during the relevant part of the race.

The distinction matters because a boat can enjoy a lift now while moving away from the side of the course that will benefit later.

If you have good evidence that the wind will continue turning, positioning towards the inside of that developing turn can become more important than immediately taking every lift. That may involve accepting a header for a time.

For a developing right-hand shift, this can favour positioning towards the right-hand side of the beat, viewed towards the windward mark. A developing left-hand shift can favour the left.

But that is a planning principle, not a guarantee.

On a river, a shift near a gap in the trees may be a local effect rather than evidence that the entire breeze is turning.

Ask:

“Is the wind swinging, trending, or changing because of where we are?”

You will not always know. Keeping options open is often sensible when the evidence is weak.

River Racing Adds Pressure, Banks and Current

A textbook diagram usually gives both boats the same wind strength and plenty of water.

The Thames does not promise either.

Imagine that one tack gives a lovely lifted heading but takes you towards smooth water beside a sheltered bank. The other is slightly headed but keeps you in stronger breeze.

The lifted route may still be slower.

Now add an adverse current. A route through stronger flow could erase the benefit of a better wind angle. Equally, moving closer to a bank for weaker current might place you in a wind shadow.

Useful progress depends on the combination of angle, speed, current and manoeuvring room.

This is why the first-beat question—“Which side should we favour?”—cannot be answered by wind direction alone.

The better question is:

“Which route gives us the best overall progress, and what evidence would make us change it?”

Aboard Champagne: Give the Crew a Shared Picture

Sailing Champagne gives me a useful way to think about this subject.

With an A-Rater’s substantial rig and three people working together, a shift is more than a change of compass number. It can affect steering, sail trim, balance and the timing of the next manoeuvre.

The opportunity is to make observation a shared task.

A simple crew conversation might be:

• Observer: “Boats ahead are heading up on starboard.”
• Helm: “We’re lifting too. Holding this tack.”
• Crew: “More pressure approaching; bank getting closer.”
• Helm: “Prepare to tack before we run out of room.”

These are examples of useful calls, rather than a recollection of a particular race.

The point is that the crew should know what the helm has noticed and what is likely to happen next.

My own sailing development makes this especially relevant. As boat handling becomes more familiar, there is more attention available for looking ahead. But noticing something is only the first step. Explaining it clearly can help the whole boat respond.

A good observation becomes more valuable when the crew can act on it together.

Try This During Your Next Practice Sail

Choose a suitable stretch of water with room to tack and manageable traffic.

Establish your normal course

Sail close-hauled on each tack. Note a typical heading or landmark alignment.

Identify changes before reacting

Say “lift”, “header” or “lull” aloud. Then check whether the sails, heading and water support that judgement.

Practise one deliberate decision

Respond to a meaningful header when there is room and useful wind on the other tack.

Notice the speed lost during the manoeuvre and how quickly the boat recovers.

Review what actually happened

Afterwards, ask:

• Was the shift temporary, persistent or local?
• Did the tack improve our progress?
• Did we leave stronger wind?
• Did current or the bank change the result?

The purpose is to connect observation, decision and outcome.

Let the Wind Help You Make Progress

There is something deeply satisfying about finding a better angle without asking the boat to sail any faster.

The sails are still drawing. The speed may be unchanged. Yet the bow is taking you somewhere more useful.

That is the opportunity offered by lifts and headers.

Learn the basic rule. Establish a reference. Notice whether the breeze is changing direction or strength. Then weigh the shift against pressure, current, traffic and the space available.

For those following Champagne and the Learning to Race series, this is another step towards anticipating the race rather than simply reacting to it.

On your next beat, ask two questions: “How fast are we going?” and “How much of that speed is taking us where we need to go?”

The second question may be worth twenty metres.

Follow the sailing articles and Champagne’s progress at pmrsailing.uk.

Return to sailing website https://pmrsailing.uk/Lessons.html

 

The First Beat — Don’t Just Follow Everybody Else

Learning to Race — From First Start to Better Results

If every boat goes left, does that mean left is correct?

The starting signal sounds. Boats accelerate, crews settle into position, and most of the fleet heads towards the same side of the course.

You follow.

It feels sensible. Some of those sailors have been racing for years. Surely they know something you don’t?

Perhaps they do. But perhaps they are following one another. Perhaps they are heading towards an advantage that has already disappeared. Or perhaps the route suits their boats better than it suits yours.

The first beat — the opening upwind leg towards the windward mark — is where racing starts to demand more than boat handling. You need to decide where to sail, what evidence supports that decision, and when to change your mind.

On a river, these choices become particularly interesting. Stronger wind might come with stronger adverse current. A sheltered bank might offer less current but almost no useful breeze. A gap between trees might provide a brief opportunity that the main group sails straight past.

The fleet is useful information. It is not an instruction.

Before Choosing a Side, Know What “Left” Means

When sailors discuss the left or right side of a beat, they normally mean left or right as you look upwind towards the windward mark.

That distinction matters on a river, where the course may run upstream in one race and downstream in another.

“The clubhouse side” might remain the same bank. “The left side” might not.

Before discussing a plan with your crew, establish a shared reference:

“Looking towards the first mark, we favour the right-hand side because the breeze looks stronger there.”

That is much clearer than discovering halfway through the leg that everyone meant something different.

The Best Route Is the One That Makes Progress Towards the Mark

A boat can look fast without making particularly good progress up the course.

It might be sailing quickly across the river, pointing poorly, or losing ground to the current. Another boat might appear quieter and slower while steadily gaining towards the mark.

Your task is to combine:

• Enough wind to keep the boat moving effectively.

• A useful sailing angle towards the mark.

• The most favourable current you can reasonably access.

• Clear air.

• Efficient manoeuvres.

The balance changes from race to race.

The RYA’s guidance on racing decisions makes a useful distinction between priorities driven by wind shifts, reaching advantageous water, and positioning relative to marks and other boats. The practical lesson is to identify what matters most at that moment.

In very light conditions, finding enough wind to move may dominate everything else. In a steadier breeze with appreciable river flow, current may become much more important.

Ask what is limiting your progress before deciding what to fix.

Where Is the Pressure?

In racing conversation, “pressure” usually means stronger wind.

Before the start, and throughout the beat, look beyond your own sails. Useful clues include:

• Patches of more strongly rippled water.

• Boats ahead heeling or accelerating.

• Changes in flags and moving foliage.

• A band of breeze travelling across the course.

Darker water can indicate stronger wind, but shadows, reflections and current can also change its appearance. Look for several clues rather than trusting colour alone.

A practical example: the fleet heads into a lull

Imagine most boats sail left after the start. Ahead of them, the water becomes smooth beneath a line of trees.

To the right, a patch of ripples is approaching. A boat already in that patch accelerates.

Following the fleet might put you into both weak wind and disturbed air. Taking a clear route towards the approaching breeze could be better.

But there is a further question:

Will the breeze reach you, or are you about to spend the next minute chasing a patch that is moving away?

Watch its movement. Sometimes holding your course allows the wind to arrive. Sometimes a modest change of position is enough. A large detour needs a larger reward.

Current — The Advantage You Cannot See in the Sails

At Upper Thames Sailing Club, on the Bourne End–Marlow reach, the river adds another layer to the problem.

The boat moves through the water. The water moves relative to the banks. Your progress towards a fixed mark depends on both.

For a simplified example, considering only the component directly towards the mark:

Progress over ground = progress through water + current towards the mark

An opposing current is subtracted.

Suppose two possible routes offer these illustrative conditions:

Route	Progress towards the mark through water	Opposing current	Progress towards the mark over ground
Open water	2.0 knots	0.8 knots	1.2 knots
Nearer the bank	1.7 knots	0.2 knots	1.5 knots

The boat nearer the bank makes better progress despite sailing more slowly through the water.

These figures are examples, not measurements from a particular Thames race. Real routes also involve changing wind angles, sideways current, tacking and different distances.

Nevertheless, they explain why judging solely by boat speed can be misleading.

Why “stay near the bank” is not a complete strategy

Current is often weaker near a bank, but the pattern depends on bends, depth, obstructions and local conditions. The same bank may also have:

• Wind shadows from trees or buildings.

• Shallow water.

• Moored boats.

• Limited room to tack.

A reduction in adverse current is valuable only if you retain enough wind and room to make use of it.

If the leg runs downstream and the flow helps you towards the mark, stronger current may become an advantage instead.

Think about what the current does to today’s leg, rather than treating one bank as permanently best.

Wind Shifts — A Good Side Can Become a Poor Side

A lift allows you to sail closer to the mark while remaining properly close-hauled. A header forces your close-hauled course farther away from it.

The temptation is to reduce this to a simple instruction: tack whenever you are headed.

That can work well in an oscillating breeze, where the wind swings backwards and forwards around a mean direction. But it is not a universal rule.

Before tacking, consider:

• Is this a real direction change, or has the boat simply slowed?

• Is the shift likely to reverse?

• Will the new tack take you into stronger wind or a lull?

• What current will you encounter?

• Is there a clear route through the other boats?

A wind direction that keeps moving one way — a persistent shift — needs different treatment from one that regularly swings back.

You do not need to master every detail immediately. Start by noticing your normal close-hauled heading on each tack, then recognise when it changes.

World Sailing’s reporting from a particularly shifty regatta illustrates the value of preserving options: sailors described both large gains from shifts and the danger of becoming trapped on one side of the course.

A practical example: a tempting lift beside the trees

You receive a lift towards the favoured bank. Your heading looks excellent, so you continue.

But the breeze becomes weaker as you approach the trees. Soon the boat loses speed and begins slipping sideways.

The lift was useful. Continuing indefinitely was not.

A favourable heading is only one part of a favourable route.

Clear Air — The Fleet’s Route May Be Good, but Your Place in It May Be Poor

The previous article considered recovering from a poor start. The first beat is where that recovery needs a purpose.

Suppose the left side really does offer better wind. Following five boats towards it may still leave you sailing in their disturbed air.

You might need to tack away temporarily, build speed in a clear lane, and return towards the favoured area when space opens.

That does not mean abandoning your strategy. It means finding a workable way to carry it out.

Aboard an A-Rater such as Champagne, the large sail plan makes airflow around nearby boats particularly relevant. It also reminds us that another boat’s route may reflect its own handling and performance characteristics.

A small dinghy making several short tacks near a bank is not automatically demonstrating the best route for Champagne.

Copying another boat’s position does not copy its conditions.

Don’t Become Contrary for the Sake of It

“Don’t follow everybody else” should not become “always go the opposite way”.

If the fleet heads left towards visibly stronger wind and weaker adverse current, there may be a very good reason to go left.

The aim is independent judgement, supported by observation.

Ask:

“What advantage are they sailing towards, and can I use it too?”

If you cannot identify a strong reason to separate, a huge split from the fleet introduces uncertainty. A route nearer the middle may preserve more options, provided it offers usable wind and clear air.

You can favour one side without committing to its extreme edge.

A River-Racing Example: Three Routes, Three Trade-offs

Imagine an upstream first beat with the wind roughly blowing down the reach.

Most of the fleet heads towards the left bank, where the adverse current appears weaker.

You have three possible approaches.

Route one: follow close to the bank.
You gain current relief, but risk weak wind beneath the trees and limited tacking room.

Route two: remain in open water.
You retain stronger breeze and more space, but face stronger opposing flow.

Route three: work along the edge of the sheltered area.
You seek some current relief while remaining far enough out to keep the sails drawing.

There is no guaranteed winner.

The third route might offer the best compromise. Then a lull could spread across it, making open water more attractive. Or the central breeze might fade, making the current relief decisive.

The skill lies in watching the trade-off develop.

Useful questions include:

“Are we still gaining against the bank?”

“Are the boats outside us making better progress towards the mark?”

“Do we have enough speed to complete the next tack?”

These questions are more productive than insisting that the original plan must have been correct.

Aboard Champagne — Give the Crew Something Useful to Notice

One of the things I find fascinating about river racing is how much there is to observe within a small stretch of water.

The next decision may depend on a gust, a gap in the trees, the movement of another boat or the flow beside a mooring. It is easy to become absorbed in handling the boat and miss the evidence developing ahead.

For Champagne, I would make the first-beat conversation specific:

“We favour the right because there is more breeze. Watch whether the boats there are actually gaining.”

The helm needs to keep the boat sailing effectively. Other crew members can contribute observations about approaching wind, traffic and relative progress.

Short calls help:

• “More breeze ahead and right.”

• “Boats near the bank have slowed.”

• “Clear water if we tack now.”

• “We are losing ground against the bank.”

“We should do something!” creates urgency without providing information.

A good crew call explains what has changed.

Make a Plan — and Give Yourself a Reason to Change It

A useful first-beat plan has three parts:

Preference: Where do we initially want to go?

Reason: What advantage do we expect there?

Review trigger: What evidence would make us reconsider?

For example:

“We favour the left for weaker adverse current. If the wind fades enough that the boats outside start gaining, we move out.”

That is a plan you can test.

“Always go left here” is much harder to learn from because it ignores why the route might work.

Before the start, sail enough of the course to investigate the conditions when time and space allow. Check both tacks, observe the current against fixed objects, and look towards the first mark.

Even a brief investigation is better than making your first assessment from inside a crowded fleet.

Learn from the Decision, Not Just the Result

After racing, ask:

1. What did we expect to gain from our chosen route?

2. What evidence did we have?

3. What changed during the beat?

4. Did we respond soon enough?

5. What would we look for next time?

A good decision can produce a disappointing result if conditions change unexpectedly. A poor decision can occasionally succeed through luck.

Finishing ahead does not prove that every choice was sound. Finishing behind does not mean there was nothing worth repeating.

The most useful reflection identifies something observable:

“We found weaker current, but stayed too long after the wind faded.”

That gives you a clear improvement for the next race.

Conclusion: Follow the Evidence

The first beat is an opportunity to start racing with intention.

Look for pressure. Understand what the current is doing. Notice shifts. Protect clear air. Consider how your own boat handles the route.

Watch the fleet, because other sailors provide valuable clues. Then ask whether their choices make sense for the conditions you can see and the boat you are sailing.

On the Thames, apparently small differences can become important: a little more breeze, a little less opposing flow, or enough room to tack without losing momentum.

You will not always choose correctly. But a decision you can explain is a decision you can learn from.

When every boat goes left, ask what they are going towards — and whether that advantage is still there.

Follow the Learning to Race series at pmrsailing.uk, alongside the continuing story of racing Champagne on the Thames.

Return to sailing website https://pmrsailing.uk/Lessons.html