This is a history of the progression of the World Record for the Swimming event: the 50 butterfly. It is a listing of the fastest-time-ever in the event, in both long course (50m) and short course (25m) swimming pool. These records are maintained/recognized by FINA,[1] which oversees international competitive swimming and Aquatics.
The World Records in the 50s of stroke are the youngest Swimming World Records; FINA first recognizing them in the 1990s.
Men
Long course
Legend: # – Record awaiting ratification by FINA; Records not set in finals: h – heat;sf – semifinal;r – relay 1st leg;rh – relay heat 1st leg;b – B final;† – en route to final mark;tt – time trial
Short course
Legend: # – Record awaiting ratification by FINA; Records not set in finals: h – heat;sf – semifinal;r – relay 1st leg;rh – relay heat 1st leg;b – B final;† – en route to final mark;tt – time trial
Women
Long course
Legend: # – Record awaiting ratification by FINA; Records not set in finals: h – heat;sf – semifinal;r – relay 1st leg;rh – relay heat 1st leg;b – B final;† – en route to final mark;tt – time trial
Short course
Legend: # – Record awaiting ratification by FINA; Records not set in finals: h – heat;sf – semifinal;r – relay 1st leg;rh – relay heat 1st leg;b – B final;† – en route to final mark;tt – time trial
All-time top 25
Men long course
Correct as of April 2024[24]
Notes
Below is a list of other times equal or superior to 22.91:
^"Men's 50m Butterfly Results" (PDF). Italian Swimming Federation. 1 July 2018. Retrieved 1 July 2018.
^(scm-m) "27 years of FINA Swimming World Cup 1989-2015: the complete Swimming World Cup golden book" (PDF). 2015.
^(scm-m) "Swimming: World best for Foster". 1994-03-23.
^(scm-m) "FINA / ARENA Swimming World Cup 2008 Sydney Men's 50m Butterfly Final Results" (PDF). 2008-10-25. Archived from the original (PDF) on 2008-10-31.
^(scm-m) "Amaury Leveaux Breaks 50m Butterfly World Record Wearing Tracer Rise". 2008-12-06. Archived from the original on 2011-06-07. Retrieved 2009-04-05.
^(scm-m) Lord, Craig (2006-12-14). "WR: Leveaux 50 'fly 22.18; ER Putra 2:02.36 200 back". swimnews.com. Retrieved 2008-12-14.
^(scm-m) "Men's Short Course Meters World Records as of November 15, 2009" (PDF). swimmingworldmagazine.com. 2009-11-19. Retrieved 2009-11-19.
^"Men's 50m Butterfly Results". Omega Timing. 6 October 2018. Retrieved 6 October 2018.
^ a bLEN (6 November 2021). "2021 European Short Course Swimming Championships Kazan (RUS): Results 50m Butterfly Men Final". Microplus Informatica. Retrieved 6 November 2021.
^(lcm-w) "Alshammar breaks women's 50m butterfly world record". The Local. 2007-01-14. Retrieved 2008-04-16.
^(lcm-w) "Amsterdam Swim Cup result 50 fly women" (PDF). amsterdamswimcup.nl. 2009-04-19. Retrieved 2009-04-19.
^(lcm-w) Women's 50 Fly results (semifinals) Archived 2009-08-06 at the Wayback Machine from the 2009 World Championships. Published by Omega Timing on 2009-07-31, retrieved 2012-04-17.
^"Swimming – European Championships; 2 Swedes set records". The New York Times. 11 December 1999. Retrieved 11 May 2013.
^(scm-w) "Triple gold and Galvez world record top night three". Hanson Sports Media. 2008-04-12. Archived from the original on 2008-05-31. Retrieved 2008-04-12.
^(scm-w) "Meet results from the women's 50 fly final at the Stockholm stop of the 2008 World Cup" (PDF). Omega Timing. 2008-11-12. Archived from the original (PDF) on 2012-02-19. Retrieved 2008-11-12.
^(scm-w) "Meet results from the women's 50 fly final at the Berlin stop of the 2008 World Cup" (PDF). Omega Timing. 2008-11-15. Archived from the original (PDF) on 2011-07-15. Retrieved 2008-11-15.
^(scm-w) "Results Women's 50m Butterfly" (PDF). OmegaTiming.com. 2009-10-17. Archived from the original (PDF) on 2012-05-12. Retrieved 2009-10-17.
^(scm-w) "Results Women's 50m Butterfly" (PDF). OmegaTiming.com. 2009-11-11. Archived from the original (PDF) on 2009-11-22. Retrieved 2009-10-12.
^(scm-w) "Results Women's 50m Butterfly" (PDF). OmegaTiming.com. 2009-11-11. Archived from the original (PDF) on 2012-05-25. Retrieved 2009-10-12.
^"Men's 50m Butterfly Long Course All-Time Ranking". FINA. 19 October 2021. Retrieved 19 October 2021.
^"Men's 50m Butterfly Results" (PDF). russwimming.ru. 19 April 2023. Retrieved 23 April 2023.
^"Men's 50m Butterfly Final Results" (PDF). swimrankings.net. 4 April 2024. Retrieved 6 April 2024.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 24 July 2023. Retrieved 24 July 2023.
^"Men's 50m Butterfly Semifinals Results" (PDF). Omega Timing. 23 July 2023. Retrieved 23 July 2023.
^"Men's 50m Butterfly Heats Results" (PDF). Omega Timing. 23 July 2023. Retrieved 23 July 2023.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 19 June 2022. Retrieved 2 July 2022.
^"Men's 50m Butterfly Semifinals Results" (PDF). Omega Timing. 23 July 2023. Retrieved 23 July 2023.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 24 July 2023. Retrieved 24 July 2023.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 24 July 2023. Retrieved 24 July 2023.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 19 June 2022. Retrieved 2 July 2022.
^"Men's 50m Butterfly Semi-Final Results" (PDF). Microplus Informatica. 11 August 2022. Retrieved 30 August 2022.
^"Men's 50m Butterfly Short Course All-Time Ranking". World Aquatics. Retrieved 8 December 2023.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 9 December 2023. Retrieved 10 December 2023.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 20 December 2021. Retrieved 20 December 2021.
^FINA (9 October 2021). "FINA Swimming World Cup 2021 Budapest (HUN): Men's 50m Butterfly Final Results". Omega Timing. Retrieved 23 October 2021.
^"Men's 50m Butterfly Heats Results" (PDF). Omega Timing. 13 December 2022. Retrieved 17 December 2022.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 14 December 2022. Retrieved 17 December 2022.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 20 December 2021. Retrieved 20 December 2021.
^"Men's 50m Butterfly Results" (PDF). Omega Timing. 16 November 2020. Retrieved 29 August 2021.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 9 December 2023. Retrieved 10 December 2023.
^"Men's 50m Butterfly Final Results" (PDF). Omega Timing. 9 December 2023. Retrieved 10 December 2023.
^"Men's 50m Butterfly Semi-Final Results" (PDF). Omega Timing. 13 December 2022. Retrieved 17 December 2022.
^"Men's 50m Butterfly Semi-Final Swim-off Results" (PDF). Omega Timing. 14 December 2022. Retrieved 17 December 2022.
^"Men's 50m Butterfly Results" (PDF). Omega Timing. 4 December 2021. Retrieved 6 December 2021.
^"Men's 50m Butterfly Semifinals Results" (PDF). microplustiming.com. 5 November 2021. Retrieved 19 November 2021.
^"Women's 50m Butterfly Long Course All-Time Ranking". FINA. 19 October 2021. Retrieved 19 October 2021.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 29 July 2023. Retrieved 29 July 2023.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 28 June 2023. Retrieved 30 June 2023.
^"Women's 50m Butterfly Final Results". liveffn.com. 19 June 2021. Retrieved 4 July 2021.
^"Women's 50m Butterfly Results" (PDF). russwimming.ru. 19 April 2023. Retrieved 23 April 2023.
^"Women's 50m Butterfly Final Results" (PDF). Microplus Informatica. 13 August 2022. Retrieved 30 August 2022.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 28 June 2023. Retrieved 30 June 2023.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 24 June 2022. Retrieved 7 July 2022.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 24 June 2022. Retrieved 7 July 2022.
^"Women's 50m Butterfly Short Course All-Time Ranking". FINA. 19 October 2021. Retrieved 19 October 2021.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 19 December 2021. Retrieved 20 December 2021.
^ a b"Women's 50m Butterfly Final Results" (PDF). microplustiming.com. 7 November 2021. Retrieved 7 November 2021.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 19 December 2021. Retrieved 20 December 2021.
^"Women's 50m Butterfly Final Results" (PDF). russwimming.ru. 22 November 2023. Retrieved 23 November 2023.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 14 December 2022. Retrieved 17 December 2022.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 14 December 2022. Retrieved 17 December 2022.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 14 December 2022. Retrieved 17 December 2022.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 29 October 2021. Retrieved 12 November 2021.
^"Women's 50m Butterfly Results" (PDF). omegatiming.com. 22 November 2020. Retrieved 15 October 2021.
^"Women's 50m Butterfly Semi-Final Results" (PDF). Omega Timing. 14 December 2022. Retrieved 17 December 2022.
^"Women's 50m Butterfly Final Results" (PDF). Omega Timing. 29 October 2021. Retrieved 12 November 2021.
^"Women's 50m Butterfly Semifinals Results" (PDF). microplustiming.com. 6 November 2021. Retrieved 25 November 2021.
^"Women's 50m Butterfly Heats Results" (PDF). Omega Timing. 14 December 2022. Retrieved 17 December 2022.
"Olympic and World Records". IOC. Retrieved 2008-10-29.