Constant weight without fins (CNF) is an
AIDA International (International Association for Development of Apnea)
freediving discipline in which the
freediver
Freediving, free-diving, free diving, breath-hold diving, or skin diving is a form of underwater diving that relies on breath-holding until resurfacing rather than the use of breathing apparatus such as scuba gear.
Besides the limits of breath- ...
descends and ascends by swimming without the use of
fins or without pulling on the rope or changing his ballast; only a single hold of the rope to stop the descent and to start the ascent is allowed.
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
The 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.
Current record holders
* Women:
Mirela Kardašević
Mirela Cabero García (born July 31, 1990 in Aranjuez, Spain), simply known as Mirela, is a Spanish singer and actress. Mirela has participated in various musical contests and singing competitions since she was a child.
Career
2004: ''Eu ...
(
Croatia) – 75 metres
* Men:
William Trubridge
William Trubridge (born 24 May 1980) is a New Zealand world champion and world record holding freediver.
Trubridge was the first diver to go deeper than without oxygen and as of 2013 held the world record in the free immersion and constant ...
(
New Zealand) – 102 metres on July 21, 2016
References
External links
AIDAWilliam Trubridge 101m CNF World Record Freedive
{{Underwater diving, frediv
*
de:Apnoetauchen#Tieftauchdisziplinen mit konstantem Gewicht