Why Swim Breathing Fails on Race Day

Unstoppable With Shangrila Rendon · Feb 27, 2026 · 44m

You were ready. So why did it feel like you were drowning 300 meters in?

You showed up to race day prepared. You did the work, followed the plan and hit your paces in the pool. You also finished the distance in open water. Training felt controlled, predictable and solid.

And then the gun goes off, and suddenly your breathing spikes, your stroke shortens, your heart rate shoots up, and the swim feels twice as hard as it ever did in practice. It doesn’t make sense.

You were ready. So why does it unravel when it actually counts?

This episode is for the athletes who walked away from a race…