How to Stop Panic in Open the Water

Open-water anxiety can surprise even the strongest swimmer. You can train for months, hit every pool workout, and still feel your chest tighten the moment the race begins—cold water, crowded starts, foggy goggles, and a spiking heart rate can make all your fitness feel far away.

As an Ironman coach, I’ve seen this happen to prepared athletes, experienced swimmers, and first-time triathletes alike. Feeling anxious in the swim doesn’t mean you’re weak. It means your body is responding to stress, and you need to have a clear plan in case this happens.

The goal isn’t to “tough it out.” The goal is to know exactly what to do when your breathing changes, your thoughts race, or your body wants to stop. With the right tools, you can slow down, breathe, reset, and keep moving forward.

Open-water anxiety is common (and it makes sense)

Pool swimming and race-day swimming are not the same experience. In the pool, everything is controlled: lane lines, clear water, walls to push off, 82 degree water, and predictable conditions. In a race, the swim environment changes fast—waves, current, cold water, low visibility, contact from other swimmers, and noise from the shore.

That uncertainty can trigger a stress response. Breathing becomes shallow. Heart rate rises. Muscles tighten. The mind starts asking uncomfortable questions: What if I can’t finish? What if I can’t breathe? What if I’m the only one struggling?

Those thoughts can snowball quickly. Once breathing becomes rushed, the body feels even more out of control—and that’s often when panic builds.

Here’s the most important reminder: a hard moment in the swim does not mean your race is over. It means you need to pull out your plan earlier than expected.

1) Start slower than you think you need to.

The first few minutes set the tone for everything that follows. Most athletes start too fast because they’re excited, nervous, and surrounded by movement. Within minutes they’re breathing hard, shoulders are tight, and heart rate is higher than it should be.

When anxiety is already present, a fast start makes it even worse.

A smart swim start should feel almost too easy. That doesn’t mean you’re giving up time—it means you’re giving your body a chance to settle in. Think of the beginning as a warm-up, not a test.

Try this:

- Take the first 2–5 minutes at a controlled effort.

- Keep your stroke long and relaxed.

- Let other athletes surge ahead.

- Focus on smooth breathing rather than speed.

A controlled start helps you exit the water with more composure and more energy.

2) Use your breath as your reset button

When anxiety rises, breathing usually changes first. Athletes begin to gasp, lift the head too high, breathe too often, or forget to exhale fully into the water. The result is “air hunger,” even though you’re technically breathing.

The fix starts with the exhale.

A long, controlled exhale tells the body it’s safe to calm down and makes the next inhale easier. If you hold your breath underwater—even briefly—you create tension that builds with every stroke.

Use this cue:

**Bubbles out. Air in.**

As your face enters the water, exhale slowly and steadily. Don’t wait until the last second before turning to breathe. Let the air release while you swim so the inhale can be quick and natural.

If your breathing feels out of control, simplify everything:

- Slow your stroke rate.

- Exhale fully into the water.

- Turn for a calm inhale. (You may need to rotate slightly more in the open water than in the pool especially if the water is choppy.)

- Repeat for several cycles.

Practice this in the pool so controlled exhaling becomes automatic. Before you enter the water, take a slow inhale and make the exhale longer than the inhale for several breaths.

3) Have a safety stroke—and use it without shame

Every athlete should have a safety stroke: the stroke you use to slow down, look around, clear goggles, calm breathing, or create space. For many triathletes, that’s breaststroke or sidestroke. For others, it’s rolling onto the back and floating for a few breaths.

Decide on your safety stroke before you race. If you wait until you’re scared, your brain has to solve too many problems at once.

A safety reset can look like this:

- Stop forcing freestyle.

- Switch to breaststroke or roll onto your back.

- Slow your breathing.

- Look for the next buoy (or a kayak if needed).

- Resume only when you feel ready.

Using a safety stroke doesn’t mean you failed. It means you managed the moment well. Let go of the fear of “looking inexperienced.” Trust me, no one is going to even know it's you, and I'm pretty sure they don't care. A short reset is far better than pushing deeper into panic.

Practice it in training so the reset feels normal, not dramatic.

4) Break the swim into small, manageable pieces

A long swim feels intimidating when you think about the full distance. The better strategy is to shrink the task.

Don’t think: “I have to swim 2.1 miles.”

Think: “Get to the first buoy.” Then: “Get to the next buoy.” Or: “Ten smooth strokes.”

Small jobs are easier for the brain to handle than big, vague threats. Each buoy becomes a small win—and those wins build confidence during the race.

Use simple body cues (steady exhale, relaxed shoulders, long stroke) to stay present.

5) Train your mind before race morning

Physical training is only part of preparation. The mind needs practice too.

Instead of only rehearsing the perfect race, rehearse your response when something feels difficult. Picture the start: you feel nervous, but you stay steady. The water is cold, but you exhale slowly. Someone bumps you, but you keep moving. Your breathing gets rushed, so you switch to your safety stroke, reset, and continue.

Use short, believable phrases or affirmations in training so they’re available on race day:

- I am calm.

- I am prepared.

Grab my Ironman Affirmations HERE and listen to these several nights per week as you lead up to race day.

- Slow down. Breathe. Reset.

6)Build confidence through practice, not hope.

Confidence comes from repeated experiences that prove you can handle the situation. Add race-specific practice where you can: swim near others, sight regularly, swim in your wetsuit, and rehearse your safety stroke.

Final reminder

Open-water fear can feel intense, but it doesn’t have to control your race. Having a plan in place is key. Start slower than your nerves want you to. Control your exhale. Use a safety stroke when you need it. Break the swim into small pieces.

Most of all: one anxious moment is not the end of your day. You’re allowed to pause, breathe, reset, and begin again.

If open-water anxiety is something you’re struggling with—or you want to talk through your upcoming race goals—click the purple button below and set up a call.

I want to chat with Mary!

Mary Timoney

USA Triathlon Coach

Ironman University Coach

ACSM Trainer