Constant weight without fins (CNF) is an AIDA International (International Association for Development of Apnea) freediving discipline in which the freediver descends and ascends by swimming without the use of fins or without pulling on the rope or changing his or her ballast; only a single hold of the rope to stop the descent and to start the ascent is allowed.[1] Constant weight without fins is the depth discipline of freediving that is most challenging, because of the physical effort needed to swim without assistance.
Challenges
editThe main differences between free diving disciplines that involve diving to depth and those that occur at the surface are: the dive cannot be interrupted, there are periods where work is performed and the diver is impacted by direct effects of pressure.[2]
Current record holders
edit- Women: Kateryna Sadurska (Ukraine) – 80 metres on October 7, 2024[3]
- Men: William Trubridge (New Zealand) – 102 metres on July 21, 2016[4]
References
edit- ^ McKie, N (2004). "Freediving in cyberspace". Journal of the South Pacific Underwater Medicine Society. 34: 101–3. Archived from the original on 2013-10-05. Retrieved 2013-10-05.
{{cite journal}}: CS1 maint: unfit URL (link) - ^ Schagatay, E (December 2011). "Predicting performance in competitive apnea diving. Part III: deep diving". Diving and Hyperbaric Medicine. 41 (4): 216–28. PMID 22183699. Archived from the original on February 10, 2014. Retrieved 2014-02-10.
{{cite journal}}: CS1 maint: unfit URL (link) - ^ Barkhush, Amira (2024-10-11). "Ukrainian Freediver Sadurska Breaks Her Own World Record With 80-Meter Dive Without Fins". UNITED24 Media. Retrieved 2024-10-20.
- ^ "Kiwi freediver William Trubridge sets world record". Stuff. 2016-07-21. Retrieved 2018-08-26.