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Ryan Murphy broke the men's 100 m backstroke world record in the final of the men's 4×100 m medley relay. ^ Sarah Sjöström broke the Olympic record in semifinal 2 of the women's 50 m freestyle. ^ Regan Smith broke the women's 100 m backstroke Olympic record in the final of the women's 4×100 m medley relay.
Records can be set in long course (50 metres) or short course (25 metres) swimming pools. World Aquatics recognizes world records in the following events for both men and women, [ 1 ] [ 2 ] except for the mixed relays, where teams consist of two men and two women, in any order.
The walk, a four-beat gait. The walk is a four-beat gait that averages about 7 kilometres per hour (4.3 mph). When walking, a horse's legs follow this sequence: left hind leg, left front leg, right hind leg, right front leg, in a regular 1-2-3-4 beat.
In short course (25 metres) swimming events the world's governing body recognizes world records since March 3, 1991. The drop in world record times in 2008-2009 coincided with the introduction of polyurethane suits from Speedo ( LZR , 50% polyurethane ) in 2008 and by Arena ( X-Glide ), Adidas (Hydrofoil) and Italian swimming suit manufacturer ...
Note: in some cases, there were existing world records (e.g. Katie Ledecky's 400, 800 and 1500 m freestyle, Rūta Meilutytė's 100 m breaststroke) that were not considered for these records (but were faster). Likewise more historical times by juniors were also not considered (e.g. Mary T. Meagher's 2:05.96 in the 200 m butterfly).
Relays: 4×50 m freestyle (short course only), 4 × 100 m freestyle, 4 × 200 m freestyle, 4×50 m medley (short course only), 4 × 100 m medley The ratification process and involves submission of an application [ 2 ] by the national federation to European Aquatics detailing the name(s) of the swimmer, time swum, date and location of the swim ...
American Record (50 m) U.S. Open Record (50 m) 50 back: 23.71 [6] Hunter Armstrong (Ohio State) 2022 USA International Team Trials April 28, 2022 / Greensboro, North Carolina: same: 100 back: 51.85 Ryan Murphy (USA) 2016 Olympic Games (r) August 13, 2016 / Rio de Janeiro, Brazil: 51.94 Aaron Peirsol (Longhorn Aquatics) 2009 USA Nationals July 8 ...
The British records in swimming are ratified by the United Kingdom's governing body in swimming, British Swimming. Records can be set in long course (50 metres) or short course (25 metres) swimming pools, with records currently recorded in the following events for both men and women. Freestyle: 50 m, 100 m, 200 m, 400 m, 800 m, 1500 m