Apnea Walks: The Land-Based CO₂ Drill for Spearos
Freediving

Apnea Walks: The Land-Based CO₂ Drill for Spearos

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An apnea walk is a breath-hold done while walking at a steady pace on flat, safe ground, and it's the best land drill for spearos because it trains CO₂ tolerance while your muscles are working, just like finning down to a reef. This guide explains what apnea walks train, why they suit spearfishing better than static, how to do them step by step, how to progress and how to stay safe.

Spearfisher doing an apnea walk on a soft grass field, walking slowly while holding their breath, with a buddy walking alongside
Soft, flat ground and a spotter: the two things that make apnea walks safe.

What an apnea walk is and what it trains

You breathe up calmly, exhale (or take a relaxed breath, depending on the variation), then walk at a slow, even pace while holding your breath. You count steps instead of seconds. When you stop, you breathe, recover while walking slowly, and go again.

Because your leg muscles are using oxygen and producing CO₂, the urge to breathe arrives much faster than in a static hold. That's the point. Apnea walks train three things:

  • CO₂ tolerance while moving: staying calm through contractions while your body is working.
  • Lactic tolerance: getting used to heavy legs on low oxygen, the feeling in your quads on the last kicks of an ascent.
  • Relaxation while moving: keeping your shoulders, hands and face loose while your legs work.

Apnea walks are one of the core dry tools in our Freediving Training for Spearfishing: The Complete Program.

Why active breath-holds match spearfishing better than static

Static apnea trains you to stay calm while doing nothing. Spearfishing never asks you to do nothing. You fin down, scan, adjust, wait, aim, shoot and fin back up, and every one of those uses muscle on one breath. A diver with a big static can still feel desperate at the bottom because they've never practised holding a breath while working.

Apnea walks close that gap. They also give a more honest picture of where you stand: a spearo who can walk 80 relaxed steps on an exhale is ready for more than one who can lie still for three minutes but panics after ten kicks.

"Static teaches you to wait. The walk teaches you to wait while working." — Fishes One Hook, dive log #266

How to do an apnea walk, step by step

  1. Pick your ground. A flat grass field, running track or empty beach with soft sand. No roads, stairs, kerbs or water nearby.
  2. Breathe up for two minutes. Standing or walking slowly, breathe calmly with a long exhale. No fast breathing.
  3. Take your breath. Beginners should take a normal, relaxed breath. Experienced divers can train on a passive exhale, which builds CO₂ tolerance faster.
  4. Walk and count. Walk at a slow, steady pace, about one step per second. Keep your arms loose and your face soft. Count steps in your head.
  5. Stop at the first strong urge, not the last. In the early weeks, stop when contractions become strong. You'll push further later.
  6. Recover. Take three or four hook breaths, then walk slowly while breathing normally for about twice as many steps as your hold.
Diagram of an apnea walk set showing breathe-up, hold walk and recovery walk repeated in a loop
One set is a loop of breathe, walk on the hold, walk to recover.

Progressions: steps, sets and recovery

Track progress with three variables, changing one at a time:

StageBreathSetsRecovery walk
Weeks 1–2Relaxed full breath4–62× hold steps
Weeks 3–4Relaxed full breath6–81.5× hold steps
Weeks 5–6Passive exhale4–62× hold steps
Weeks 7–8Passive exhale6–81.5× hold steps

Within each stage, aim to add a few steps per set from week to week. When you change the breath or cut the recovery, expect your step count to drop. That's normal. Shorter recovery is the apnea-walk version of a CO₂ table: the same idea, applied while you're moving.

Two sessions of apnea walks a week is plenty, ideally on different days from your hardest table sessions.

Safety: where to walk and when to stop

Apnea walks are dry training, but you're on your feet, so a blackout means a fall. Take that seriously.

  • Soft, flat ground only. Grass or sand, away from roads, edges, stairs and water.
  • Bring a spotter if you can, especially when training exhale walks. Their job is to walk beside you and catch you if you go.
  • Never near water. Don't do them along a pool deck, harbour wall or the water's edge.
  • Stop on warning signs: tingling, tunnel vision, dizziness or loss of coordination.
  • Skip them if you're unwell or have any heart or blood pressure condition you haven't cleared with a doctor.
Safety Warning Exhale walks lower your oxygen quickly. Do them only on soft ground with a spotter beside you, and stop well before your limit. A fall on hard ground is far more dangerous than the blackout itself.

If you want walks scheduled alongside your tables, Spira, our free apnea-table app on Google Play, generates and times the table days so you can plan walks around them.

Frequently Asked Questions

Frequently asked
How many steps is a good apnea walk?
Beginners often manage 40 to 80 steps on a relaxed full breath. Track your own number and aim to add a few steps each week rather than comparing with anyone else.
Should I do apnea walks on full lungs or an exhale?
Start on a relaxed full breath for the first few weeks. Move to passive exhale walks once you're comfortable, and only on soft ground with a spotter.
Are apnea walks better than CO₂ tables?
They train similar things in different ways. CO₂ tables build tolerance while you're still, and apnea walks build it while your muscles work, which is closer to spearfishing, so use both.
Can I do apnea walks on a treadmill?
It isn't recommended. A blackout on a moving belt can cause a serious fall. Flat grass or sand with a spotter is far safer.
Contributor

Lucas Davis

A Fishes One Hook contributor — logging dives, testing gear, and writing it all down between surface intervals.

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