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Gert Leroy Underwater

🫁 Learn freediver breathing from home
🧘 Become calm under pressure
💦 Ready for the water
www.skool.com/underwatersquad

05/05/2026

Comeback Week 18 💦🤿 I'm going to the Philippines! 📝
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Day 1 — rest day

Day 2 — Pool | 1 hr
Session - static
- Max Progressive 4:30
- Two-breath 5x 1:45
Notes
- notice how i do tables leading up to a number that is quite under my maximum
- that is the reason why i can do more than 1 table in a session, because i keep intensity moderated. If i would have done progressive 5:30 or 6:00 that would be enough for that day. I'd have to go home and sleep.
- two-breath 5x 1:45 was quite easy, allthough the water was getting cold and i was wearing my no-sleeve wetsuit. Next time for static in that pool i need to wear sleeves.

💦 Train freediver breathing from home.
🔥 Try 7 days for FREE! http://www.skool.com/underwatersquad

03/05/2026

Comeback Week 17 💦🤿 Extend Training Camp or Not? 📝
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Day 7 — Pool | 1 hour

Session - DNF legs only
- few warm-ups
- multiple 25m laps legs only / limited recovery

Notes
- Working on the legs. Itr will take time and kilometers underwater to really dial in that technique. I can execute it, and my brain can command it, but to keep the technique consistent while combining with arm strokes and swimming lonhger distances underwater, that is still a challenge
- limited rest so we can consider this session as a CO2 training. No timer needed. Just feel and decide in the moment. You can always count your breaths in betweeen if you wanna have an idea of how much rest you have in between laps.

Pool technique is only one part of freediving performance.
Breathing, relaxation, and CO₂ control determine how well that technique holds up under pressure.

💦 Build calm breathing and CO2 tolerance.
🔥 Try 7 days for FREE! http://www.skool.com/underwatersquad

02/05/2026

Today i had the opportunity to work with Oktagon MMA champion Kerim Engizek and medical & health coach Scott KetoDoc.

Great to see how high level athletes coming from other sports like MMA are showing interest in freediver breathwork! 💪💪

4:15 and 4:37 static apnea times for these two beasts! 🔥

01/05/2026

Most freedivers chase maximums, I chase walks in the park 😉 If you can make a certain distance a walk in the park, image how much further you can actually go if you really would go for a maximum.

01/05/2026

Comeback Week 17 💦🤿 Extend Training Camp or Not? 📝
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Day 5 — Pool | 40 mins

Session - DNF
- few warm-ups
- 2 x 75m DNF

Notes
- payed attention to technique. It's good to notice i can now classify 75m laps as technique training 🙂
- A tiny bit of bend in the knee, and for the legs: it's already better than before, but i feel i can still improve keeping the feet wider than the knees. We keep on training 🙏
- short session today. My appartment is at 5mins from this pool, and the entrance fee is 60 dollar cent 😉 so i makes sense to me to have short sessions if that's what i would want.
- short because i've got a lot on my plate these days
- peace in every breath 🙏

Pool technique is only one part of freediving performance.
Breathing, relaxation, and CO₂ control determine how well that technique holds up under pressure.

💦 Build calm breathing and CO2 tolerance.
🔥 Try 7 days for FREE! http://www.skool.com/underwatersquad

30/04/2026

Comment GEAR below and I'll send you the full FREE Gear Guide. Every piece explained. Specific products. When to buy what.

Completely free. No catch. No email needed. Just comment GEAR.

Want to know exactly what gear to buy for YOUR situation? Answer 5 quick questions and get a personalised recommendation in 60 seconds. Swipe to see what to look for first.

Peace in Every Breath 🙏

30/04/2026

Comeback Week 17 💦🤿 Extend Training Camp or Not? 📝
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Day 4 — Pool | 1 hr

Session - static
- 2:00 - 2:30 - 3:00 - 3:30 - 4:00 - 4:30

Notes
- worked online till midnight the night before, and didnt sleep enough. So i kept the session to moderate intensity.
- when you are training for a few months, it becomes very clear to hardest part is not the training itself, but the managing of your life in the best way possible. Like Muhammad Ali said - when they asked him about the hardest part of his training - he said: "it's being in bed by 9pm (and dodging the girls)".

💦 Train freediver breathing from home.
🔥 Try 7 days for FREE! http://www.skool.com/underwatersquad

28/04/2026

Comeback Week 17 💦🤿 Extend Training Camp or Not? 📝
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Day 1 — Pool | 1 hr

Session - static
- Two-breath 5x 1:45
- One-breath 10x 1:00
- 1x 3:00
- 1x 3:30

Notes
- Went to the gym yesterday eve. So i already knew today's session would be difficult. And that's fine. It's a calculated decision. I just wanted to go to the gym, and i wanted to go to the pool 😂
- the one-breath 5x 1:45 as a start was too difficult. So i took a couple more breaths in between like 4 or 5.
- the one-breath 10x 1:00 was quite easy and i enjoyed it very much. Interesting to see how you can lift weights the night before and still enjoy static apnea the morning after. You just have to lower intensity.
- Finished of with 3:00 and 3:30 on mild HV, contractions started around 3:00 so i kept intensity very low.

💦 Build calm breathing and CO2 tolerance.
🔥 Try 7 days for FREE! http://www.skool.com/underwatersquad

26/04/2026

Training has paid off well. Not just for the sake of holding my breath, but even more for overall stamina and endurance. The combination of freedive training with HIIT (muay thai) has shaped me into the best possible version I can possibly be at this stage in my life.

If you guys wanna get out of your couch and finally start d**g something about your fitness and mental resilience, that's exactly what we do in the Underwater Squad. Link in bio 🙏

26/04/2026

Most freedivers tell me the same thing. "I hate static. But I do it because I have to."

I used to feel that way too. Static is weird. You lie face down. Nothing happens. Your brain has nowhere to go.
But recently something shifted. I started actually enjoying it. Not just tolerating it, but enjoying it.

New video breaks it down. Why max attempts make static worse, and the type of table that flips your brain from dreading it to looking forward to it.

💦 Build calm breathing and CO2 tolerance.
🔥 Try 7 days for FREE! http://www.skool.com/underwatersquad

24/04/2026

Comeback Week 16 💦🤿 Thailand Heat vs. My Lungs 📝
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Day 5 — Pool | 1hr + sauna

Session - static (tidal)

- no warm-up 3:30
- RV progressive 2:00
- Two-breath table 5x 1:45

Notes
- no warm-up feels like no warm-ups feel: it's just something you have to do 😆 (especially on tidal breathing)
- RV 2:00 felt quite confident and enjoyable, way better feelings than the no warm-up
- 5x 1:45 i stopped after the 4th hold. I decided it was enough. Yesterday did a long session and also gym in the evening. No need to overdo things just for the sake of completing a table. That would be stupid. Smart training means you start to develop that awareness that tells you when something is good enough and it's time to call it a day.
- With the heat of last week affecting my health i thought this week would be very low intensity training - if any training at all - but the week is turning out to be quite productive and strong!
- sauna + cold bath (3x)
- Peace 🙏

💦 Build calm breathing and CO2 tolerance.
🔥 Try 7 days for FREE! http://www.skool.com/underwatersquad

23/04/2026

Comeback Week 16 💦🤿 Thailand Heat vs. My Lungs 📝
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Day 4 — Pool | 2hr

Session - static mild HV
1:00 - 2:00
1:30 - 3:00
2:00 - 3:30
2:30 - 4:00
3:00 - 4:30
3:00 - 5:00
3:00 - 5:00
3:00 - 5:10

Notes
- Still not feeling 100% but apparently my low energy levels didn't really cause any problem today.
- The first few holds felt a bit weird, but starting from 3:30 i was getting in the zone
- Overall very nice session with confident and positive feelings
- On the last one i added 10 extra secs just for fun 😅
- I think i should do RV next session, just for variety.

💦 Build calm breathing and CO2 tolerance.
🔥 Try 7 days for FREE! http://www.skool.com/underwatersquad