Breathe with Gert
Longer breath-holds. A calmer mind. Made for beginners. No water needed.
Calm is a skill. The breath-hold trains it.
Freedivers learn to stay calm in the most stressful moment there is: when the urge to breathe hits. Every second you add to your hold is proof you're getting calmer.
Longer breath-hold
Measurable progress, week after week.
A calmer mind
Every day, not just during practice.
Switch off easier
Wind down after work and at night.
Steady under pressure
Your breath stays slow when it counts.
Your training path
Start with the 6-Week Breathwork Challenge: learn to stay calm as CO2 builds up, 15 minutes a day. Then the Breath-Hold Builder takes you step by step toward 5 minutes, and the Advanced Toolkit keeps you growing.
Start reading
Breathwork from a freediver
Slow, calm breathing that settles your nervous system in 15 minutes a day.
Read → gertleroy.com/co2-toleranceCO2 tolerance
Why you feel out of breath long before you run low on oxygen, and how to train it.
Read → gertleroy.com/breath-holdBreath-hold training at home
How to train a longer, calmer breath-hold, dry, from home.
Read →Try one today
Three CO2 tables with timings, progressions and safety rules. Pick your starting point.
Open the free tool →The five stages of a breath-hold, plus a guided hold to follow with Gert.
Open the free tool →Train CO2 tolerance on a walk you already take.
Preview →Longer hold = calmer mind
Real breath-hold progress from members, and what they say changed beyond the numbers.
New wins posted weekly inside the community.
Start your 7-day free trialI'm Gert Leroy
Freediving instructor, former national record holder, 1.6M on YouTube. I started at 40, as a complete beginner.