How far a human body has actually gone.

One record per video, the number on a gauge, the price the person paid. The sources are here.

The records so far

253 metres down on one breath
Herbert Nitsch, Santorini, June 2012. No-limits freedive on a weighted sled; he blacked out on the ascent and spent years recovering. Nobody has gone deeper.
Guinness World Records entry
A body temperature of 13.7 degrees, and she lived
Anna Bagenholm, Narvik, Norway, May 1999. Trapped under ice for 80 minutes while skiing; the lowest body temperature anyone has survived.
The Lancet case report Gilbert et al., The Lancet, 2000.
510 kilos off the floor
Hafthor Bjornsson, Birmingham, 6 September 2025. The heaviest deadlift ever recorded, with straps and a suit.
Guinness World Records entry

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