World Records Freestyle 50 free – LCM Cesar Cielo Brazil 20.91 12/18/09 2009 Brazilian Championships Sao Paulo, Bazil 100 free – LCM David Popovici Romania 46.86 08/13/2022 2022 European Championships Rome, Italy 200 free – LCM Paul Biedermann Germany 1:42.00 07/28/2009 2009 FINA World Championships Rome, Italy 400 free – LCM Paul Biedermann Germany 3:40.07 7/26/2009 2009 FINA World Championships Rome, Italy 800 free – LCM Zhang Lin China 7:32.12 7/29/2009 2009 FINA World Championships Rome, Italy 1500 free – LCM Sun Yang China 14:31.02 08/04/2012 2012 Olympic games London, England Backstroke 50 back – LCM Kliment Kolesnikov Russia 23.55 07/27/2023 2023 Swimming Cup of Russia Kazan, Russia 100 back – LCM Thomas Ceccon Italy 51.60 06/20/2022 2022 World Championships Budapest, Hungary 200 back – LCM Aaron Perisol United States of America 1:51.92 07/30/09 2009 FINA World Championships Rome, Italy Breaststroke 50 breast – LCM Adam Peaty Great Britain 25.95 07/25/2017 2017 FINA World Championships Budapest, Hungary 100 breast – LCM Adam Peaty Great Britain 56.88 07/21/2019 2017 World Championships Gwangju, South Korea 200 breast – LCM Qin Haiyang China 2:05.48 07/28/2023 2023 World Championships Fukuoka, Japan Individual Medley 200 IM – LCM Ryan Lochte United States of America 1:54.00 07/28/2011 2011 FINA World Championships Shanghai, China 400 IM – LCM Leon Marchand France 4:02.50 07/23/2023 2023 World Championships Fukuoka, Japan Relay 400 free – LCM Micheal PhelpsGarrett Weber-GaleCullen JonesJason Lezak United States of America 3:08.24 08/11/2008 2008 Olympic Games Beijing, China 800 free – LCM Micheal PhelpsRicky BerensDavid WaltersRyan Lochte United States of America 6:58.55 07/31/2009 2009 FINA World Championships Rome, Italy 400 medley – LCM Ryan MurphyMichael AndrewCaeleb DresselZach Apple United States of America 3:26.78 07/31/2021 2020 Olympic Games Tokyo, Japan