Longest swim under ice - breath held (fins and diving suit)
- Stig Åvall Severinsen
- Greenland Sermersoq,,Under ice at Qorlortoq Lake (Lake 40)
The longest distance swam under ice with the breath held is 152.4 m (500 ft) by Stig Åvall Severinsen (Denmark), without the use of breathing equipment but with a wetsuit and swim fins, at Qorlortoq Lake (Lake 40) in Ammasslik Island, Sermersoq Municipality, East Greenland on 16 April 2013. The depth of the ice was between 80 and 100 cm (2.62 and 3.28 feet). The total dive time was 2 minutes and 11 seconds.