Gert Leroy Underwater

🫁 Breathwork and CO2 tolerance training for athletes and busy people 👇 Stay calm under pressure, perform when it counts. 15 min a day, from home. No water needed. 👋 I'm Gert Leroy, ex-record holder freediver. I started at 40. Today I'm 51, I lift and do Thai boxing, and breath is still the foundation of everything. It's not about bigger lungs. It's about CO2 tolerance, and it's trainable. Inside the Squad 👇 ✅ 6-Week Breathwork Challenge (15 min/day, start here) ✅ Breath-Hold Builder (CO2 tables, step by step) ✅ Exercise Library (all routines in one place) ✅ Advanced Breathwork Toolkit (breathing protocols) ✅ Weekly live training + replays ⚡ Start your 7-day free trial today.