Constant weight apnea
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Constant weight (CWT) is a freediving discipline recognised by AIDA, the International Association for the Development of Apnea, in which the freediver descends and ascends using their monofin and/or with the use of their arms without pulling on the rope or changing his ballast; only a single hold of the rope to stop the descent and start the ascent is allowed. Constant weight is one of the eight disciplines considered for international competition, the others being constant weight bi-fins (CWTB), constant weight without fins (CNF), static apnea (STA), dynamic apnea without fins (DNF), dynamic with fins (DYN), free immersion (FIM), and dynamic apnea bi-fins (DYNB).
Current World Record Holders
- men: Alexey Molchanov (Russia), 131 metres in 4 minutes 33 seconds. (2021-07-17)
- women: Alenka Artnik (Slovenia), 122 metres in 3 minutes 34 seconds. (2021-07-23) 
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- "Freediving: Artnik Breaks Own World Record With 122m Dive". www.total-slovenia-news.com. Retrieved 2021-09-22.