FINA 50m-pool WORLD RECORDS (as of March 20, 2017) MEN Event Swimmer Time Place Date 50m freestyle Cesar Cielo (BRA) 20.91 Sao Paulo (BRA) December 18, 2009 100m freestyle Cesar Cielo (BRA) 46.91 Rome (ITA) July 30, 2009 200m freestyle Paul Biedermann (GER) 1:42.00 Rome (ITA) July 28, 2009 400m freestyle Paul Biedermann (GER) 3:40.07 Rome (ITA) July 26, 2009 800m freestyle Lin Zhang (CHN) 7:32.12 Rome (ITA) July 29, 2009 1500m freestyle Yang Sun (CHN) 14:31.02 London (GBR) August 4, 2012 50m backstroke Liam Tancock (GBR) 24.04 Rome (ITA) August 2, 2009 100m backstroke Ryan Murphy (USA) 51.85 Rio de Janeiro (BRA) August 13, 2016 200m backstroke Aaron Peirsol (USA) 1:51.92 Rome (ITA) July 31, 2009 50m breaststroke Adam Peaty (GBR) 26.42 Kazan (RUS) August 4, 2015 100m breaststroke Adam Peaty (GBR) 57.13 Rio de Janeiro (BRA) August 7, 2016 200m breaststroke Ippei Watanabe (JPN) 2:06.67 Tokyo (JPN) January 29, 2017 50m butterfly Rafael Munoz (ESP) 22.43 Malaga (ESP) April 5, 2009 100m butterfly Michael Phelps (USA) 49.82 Rome (ITA) August 1, 2009 200m butterfly Michael Phelps (USA) 1:51.51 Rome (ITA) July 29, 2009 200m ind. Medley Ryan Lochte (USA) 1:54.00 Shanghai (CHN) July 28, 2011 400m ind. Medley Michael Phelps (USA) 4:03.84 Beijing (CHN) August 10, 2008 4x100m freestyle United States 3:08.24 Beijing (CHN) August 11, 2008 Michael Phelps Garrett Weber-Gale Cullen Jones Jason Lezak 4x200m freestyle United States 6:58.55 Rome (ITA) July 31, 2009 Michael Phelps Ricky Berens David Walters Ryan Lochte 4x100m medley United States 3:27.28 Rome (ITA) August 2, 2009 Aaron Peirsol Eric Shanteau Michael Phelps David Walters FINA 50m-pool WORLD RECORDS (as of March 20, 2017) WOMEN Event Swimmer Time Place Date 50m freestyle Britta Steffen (GER) 23.73 Rome (ITA) August 2, 2009 100m freestyle Cate Campbell (AUS) 52.06 Brisbane (AUS) July 2, 2016 200m freestyle Federica Pellegrini (ITA) 1:52.98 Rome (ITA) July 29, 2009 400m freestyle Katie Ledecky (USA) 3:56.46 Rio de Janeiro (BRA) August 7, 2016 800m freestyle Katie Ledecky (USA) 8:04.79 Rio de Janeiro (BRA) August 12, 2016 1500m freestyle Katie Ledecky (USA) 15:25.48 Kazan (RUS) August 4, 2015 50m backstroke Jing Zhao (CHN) 27.06 Rome (ITA) July 30, 2009 100m backstroke Gemma Spofforth (GBR) 58.12 Rome (ITA) July 28, 2009 200m backstroke Missy Franklin (USA) 2:04.06 London (GBR) August 3, 2012 50m breaststroke Ruta Meilutyte (LTU) 29.48 Barcelona (ESP) August 3, 2013 100m breaststroke Ruta Meilutyte (LTU) 1:04.35 Barcelona (ESP) July 29, 2013 200m breaststroke Rikke Moeller-Pedersen (DEN) 2:19.11 Barcelona (ESP) August 1, 2013 50m butterfly Sarah Sjöström (SWE) 24.43 Boras (SWE) July 5, 2014 100m butterfly Sarah Sjöström (SWE) 55.48 Rio de Janeiro (BRA) August 7, 2016 200m butterfly Zige Liu (CHN) 2:01.81 Jinan (CHN) October 21, 2009 200m ind. Medley Katinka Hosszu (HUN) 2:06.12 Kazan (RUS) August 3, 2015 400m ind. Medley Katinka Hosszu (HUN) 4:26.36 Rio de Janeiro (BRA) August 6, 2016 4x100m freestyle Australia 3:30.65 Rio de Janeiro (BRA) August 6, 2016 Emma McKeon Brittany Elmslie Bronte Campbell Cate Campbell 4x200m freestyle China 7:42.08 Rome (ITA) July 30, 2009 Yu Yang Qianwei Zhu Jing Liu Jiaying Pang 4x100m medley United States 3:52.05 London (GBR) August 4, 2012 Missy Franklin Rebecca Soni Dana Vollmer Allison Schmitt FINA 50m-pool WORLD RECORDS (as of March 20, 2017) MIXED Event Swimmer Time Place Date 4x100m mixed freestyle United States 3:23.05 Kazan (AUS) August 8, 2015 Ryan Lochte (M) Nathan Adrian (M) Simone Manuel (W) Missy Franklin (W) 4x100m mixed medley Great Britain 3:41.71 Kazan (RUS) August 5, 2015 Chris Walker-Hebborn (M) Adam Peaty (M) Siobhan Marie O’Connor (W) Fran Halsall (W) .