How to do a 50 meter underwater swim (Olympic pool dynamic apnea)
Here are my top tips on how you can do a 50 meter dynamic apnea swim. 50 meters is the length of an Olympic pool.
This is also the length needed to swim under water to pass the entry tests of the Navy seals.
When training underwater you should always have a buddy to rescue you if you get a blackout. Never train alone
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