Constant weight without fins AIDA [CNF | Men]
Last updated: January 26, 2018 at 19:59 pm
102 m (335 ft) – William Trubridge (New Zealand), Dean’s Blue Hole, Bahamas, July 20, 2016. Total time: 4 min 13 sec.
Constant weight without fins 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 ballast; only a single hold of the rope to stop the descent and to start the ascent is allowed¹.
“Although not the deepest discipline of freediving, constant weight without fins is considered by many to be the most challenging because the freediver must swim, and thus burn oxygen, throughout the entire dive.”
¹ Constant weight without fins. (2017, July 12). In Wikipedia, The Free Encyclopedia. Retrieved 19:42, January 26, 2018, from https://en.wikipedia.org/wiki/Constant_weight_without_fins.
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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.