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pchem , 1 year ago That depends a bit on the ruleset. According to Guinness (where hyperventilating with pure oxygen beforehand is allowed), it’s 24:37.36. According to the freediving organisation AIDA (where pre-breathing oxygen isn’t allowed), it’s 11:35
That depends a bit on the ruleset. According to Guinness (where hyperventilating with pure oxygen beforehand is allowed), it’s 24:37.36. According to the freediving organisation AIDA (where pre-breathing oxygen isn’t allowed), it’s 11:35