Train smarter, hold longer.
Clear, sourced guides to static apnea: the physiology behind a breath-hold, how to train it, and how to stay safe.
The CO2 table: a complete guide to pushing back the urge to breathe
It isn't a lack of oxygen that ends most breath-holds. It's carbon dioxide. Here is how a CO2 table trains exactly that limit, how to build your own, and how to progress without taking risks.
12 min readGetting started
Freediving for beginners: a 4-week dry training program
Four weeks, done lying down at home: learn to breathe calmly, build tolerance with CO2 tables, add one light O2 table, and re-test your personal best twice. Every number comes from your own record.
12 min readHow to measure your static apnea personal best, reliably
Your personal best is not a trophy. It is the reference every table is built on. Here is a clean, repeatable protocol to measure it, from the conditions of the test to what you write down afterwards.
10 min readImprove your static apnea without a coach: structure, feedback and safety, done right
A coach gives you three things: a plan, an outside eye and a safety net. Training alone means rebuilding each of them on purpose. Here is how to do it, and where self-coaching has to stop.
11 min readHow to choose a freediving training app in 2026
Most apps can count seconds. Far fewer help you train. Here are the criteria that separate a genuine training tool from a stopwatch with a nice icon, and how to test them in a week before you commit.
11 min readTraining tables
The CO2 table: a complete guide to pushing back the urge to breathe
It isn't a lack of oxygen that ends most breath-holds. It's carbon dioxide. Here is how a CO2 table trains exactly that limit, how to build your own, and how to progress without taking risks.
12 min readThe O2 table: training hypoxia tolerance without crossing the line
Where a CO2 table teaches you to live with the urge to breathe, an O2 table takes you into the part of the hold where oxygen really starts to fall. That is what makes it useful, and why it has to be built with care.
12 min readCO2 table vs O2 table: what each one trains and which to choose
Both tables are a series of breath-holds on a timer, yet they put your body under two different kinds of stress. Here is what each one really trains, how they compare side by side, and how to fit them into the same week without overdoing it.
11 min readHow to break 3 minutes in static apnea: a realistic path
Three minutes is the first big milestone of dry static, and the place where many people stall for weeks. There is no trick that gets you there on a set date. There is a method that makes it much more likely, and it is mostly about learning to stay calm.
3 min readBreathing
Breathwork for freediving: the techniques that actually help
Most breathing advice for freedivers mixes the useful with the risky. Here is what slow, diaphragmatic and structured breathing really do for a static hold, how to practise them, and which popular methods to keep away from your training.
11 min readThe breathe-up: how to prepare for a static hold
The two or three minutes before a hold shape everything that follows. Done well, the breathe-up leaves you calm, heavy and ready. Done badly, it turns into hidden hyperventilation. Here is how to get it right.
3 min readBody and safety
Contractions in apnea: what they are and how to handle them
Sooner or later, every breath-hold reaches the moment when your diaphragm starts to jerk on its own. Understanding these contractions changes how you experience them, and turns them into one of the most useful measures of your progress.
11 min readThe mammalian dive reflex: how your body saves oxygen
Hold your breath and something switches on by itself: the heart slows, blood retreats from the limbs, the spleen squeezes. Here is what the dive reflex really does in humans, what triggers it, how far training can change it, and how to work with it on dry land.
11 min readFreediving blackout: why it happens and how to prevent it
A hypoxic blackout rarely announces itself. Understanding what causes it, why hyperventilation and the ascent are so dangerous, and how a buddy turns a blackout into a non-event is the foundation of every safe breath-hold practice.
12 min readEqualizing your ears in freediving: Frenzel, Valsalva and mouthfill
For most beginners, the limit on depth is not the breath-hold but the ears. Here is the physics behind that pressure, how the middle ear works, why Valsalva stops working head-down, how Frenzel solves it, and the rule that matters more than any technique: never force.
12 min read