- Who
- amber fillary
- What
- 70 metre metre(s)
- Where
- Norway (Oslo)
- When
The longest swim under ice - breath held (no fins, no diving suit) female is 70 metres (229.659 ft) and was achieved by Amber Fillary (South Africa) in Oppsjø, Norway, on 29 February 2020.
The thickness of the ice during the attempt was 34 cm.