The 100 metres butterfly is an event in competitive swimming. World records are ratified by World Aquatics (formerly FINA). The current long course world record holders are the US' Caeleb Dressel and Gretchen Walsh, while the current short course world record holders are Canada's Joshua Liendo, and Walsh.
The men's event was first contested at the Olympic Games in 1968, while the women's event was introduced at the 1956 games; the current Olympic champions are Hungary's Kristóf Milák and the US' Torri Huske. The men's and women's events have been contested at the World Aquatics Championships since the inaugural championships in 1973; the current world champions (long course) are the France's Maxime Grousset, and Walsh. The men's and women's events have been contested at the World Aquatics Swimming Championships (25m) since the inaugural championships in 1993; the current world champions (short course) are Switzerland's Noè Ponti, and Walsh.
World record progression
Men long course
Men short course
Women long course
Women short course
All-time top 25 Tables show data for two definitions of "Top 25" - the top 25 100 m butterfly times and the top 25 athletes:- denotes top performance for athletes in the top 25 100 m butterfly times- denotes lesser performances, still in the top 25 100 m butterfly times, by repeat athletes- denotes top performance (only) for other top 25 athletes who fall outside the top 25 100 m butterfly times
Men long course
Correct as of September 2026 Time Athlete Nation Date Place 1 1 49.45 Caeleb Dressel 31 July 2021 Tokyo 2 2 49.48 Kristóf Milák 13 August 2026 Paris 3 49.50Dressel #2 26 July 2019 Gwangju 3 4 49.62 Maxime Grousset 2 August 2025 Singapore 5 49.66Dressel #3 27 July 2019 Gwangju 6 49.68Milák #2 31 July 2021 Tokyo 7 49.70Grousset #2 13 August 2026 Paris 8 49.71Dressel #4 30 July 2021 Tokyo 9 49.76Dressel #5 18 June 2021 Omaha 4 10 49.82 Michael Phelps 1 August 2009 Rome 5 11 49.83 Noè Ponti 2 August 2025 Singapore 12 49.86Dressel #6 29 July 2017 Budapest 13 49.87Dressel #7 19 June 2021 Omaha 14 49.90Milák #3 3 August 2024 Paris 15 49.93Ponti #2 13 August 2026 Paris 6 16 49.95 Milorad Čavić 1 August 2009 Rome 7 17 49.99 Joshua Liendo 3 August 2024 Paris 18 50.01 Čavić #2 31 July 2009 Rome Dressel #8 28 April 2022 Greensboro 8 20 50.05 Ilya Kharun 30 July 2026 Irvine 21 50.06Liendo #2 19 May 2024 Toronto 22 50.07Dressel #9 28 July 2017 Budapest Kharun #2 2 August 2025 Singapore 24 50.08Dressel #10 28 July 2017 Budapest 25 50.09Liendo #3 2 August 2025 Singapore 9 50.24 Shaine Casas 5 December 2025 Austin 10 50.25 Matthew Temple 3 December 2023 Tokyo Hubert Kós 13 August 2026 Paris 12 50.39 Joseph Schooling 12 August 2016 Rio de Janeiro 13 50.40 Ian Crocker 30 July 2005 Montreal 14 50.41 Rafael Muñoz 1 August 2009 Rome 15 50.42 Thomas Ceccon 1 August 2025 Singapore 16 50.46 Dare Rose 29 July 2023 Fukuoka 17 50.56 Chad le Clos 8 August 2015 Kazan Shoon Mitsunaga23 September 2026Tokyo 19 50.58 Ben Armbruster 26 July 2026 Glasgow 20 50.59 Nyls Korstanje 2 August 2024 Paris 21 50.64 Piero Codia 9 August 2018 Glasgow Rowan Cox 30 July 2026 Irvine 23 50.65 Albert Subirats 31 July 2009 Rome 24 50.67 James Guy 28 July 2017 Budapest 25 50.68 Maxime Rooney 2 August 2019 Stanford
Men short course
Correct as of December 2025 Time Athlete Nation Date Place 1 1 47.68 Joshua Liendo 23 October 2025 Toronto 2 2 47.71 Noè Ponti 14 December 2024 Budapest 3 3 47.78 Caeleb Dressel 21 November 2020 Budapest 4 47.98Ponti #2 13 April 2025 Uster 4 5 48.08 Chad le Clos 8 December 2016 Windsor 5 6 48.10 Maxime Grousset 5 December 2025 Lublin 7 48.11Ponti #3 5 December 2025 Lublin 6 8 48.35 Ilya Kharun 23 October 2025 Toronto 9 48.38Ponti #4 23 October 2025 Toronto 10 48.40Ponti #5 18 October 2024 Shanghai 11 48.44le Clos #2 4 December 2014 Doha 12 48.45le Clos #3 21 November 2020 Budapest 7 13 48.47 Tom Shields 21 November 2020 Budapest 13 48.47Ponti #6 6 December 2023 Otopeni Ponti #7 17 October 2025 Westmont 8 16 48.48 Yevgeny Korotyshkin 15 November 2009 Berlin 17 48.50le Clos #4 13 December 2018 Hangzhou 18 48.53Dressel #2 4 September 2021 Naples Ponti #8 10 October 2025 Carmel 20 48.56le Clos #5 30 September 2014 Hong Kong 21 48.57Grousset #2 14 December 2024 Budapest 22 48.58le Clos #6 21 October 2022 Berlin 23 48.59le Clos #7 1 September 2014 Dubai le Clos #8 18 December 2022 Melbourne Ponti #9 15 November 2024 Sursee 9 48.62 Matthew Temple 13 December 2023 Adelaide 10 48.64 Matteo Rivolta 27 November 2021 Eindhoven 11 48.99 Nyls Korstanje 24 October 2024 Incheon 12 49.02 Simon Bucher 29 November 2024 Graz 13 49.06 Marius Kusch 5 December 2019 Glasgow 14 49.07 Ian Crocker 26 March 2004 East Meadow 15 49.08 Michele Busa 14 December 2024 Budapest 16 49.10 Coleman Stewart 4 September 2021 Naples 17 49.13 Simone Stefanì 1 December 2021 Riccione 18 49.14 Dare Rose 13 December 2024 Budapest 19 49.18 Marcin Cieślak 21 November 2020 Budapest 20 49.19 Milorad Čavić 12 December 2008 Rijeka Andrey Minakov 13 December 2024 Budapest 22 49.21 Adam Barrett 7 December 2016 Windsor 23 49.22 Tomoe Hvas 2 November 2021 Kazan 24 49.23 Steffen Deibler 15 November 2009 Berlin 25 49.25 Li Zhuhao 13 December 2018 Hangzhou
Women long course
Correct as of September 2026 Time Athlete Nation Date Place 1 1 54.33 Gretchen Walsh 2 May 2026 Fort Lauderdale 2 54.60Walsh #2 3 May 2025 Fort Lauderdale 3 54.73Walsh #3 28 July 2025 Singapore 4 54.76Walsh #4 5 June 2025 Indianapolis 5 54.82Walsh #5 27 June 2026 Rome 6 55.00Walsh #6 18 June 2026 Indianapolis 7 55.09Walsh #7 3 May 2025 Fort Lauderdale 8 55.15Walsh #8 14 August 2026 Irvine 9 55.18Walsh #9 15 June 2024 Indianapolis 10 55.20Walsh #10 7 March 2026 Westmont 11 55.22Walsh #11 21 March 2026 Shenzhen 12 55.28Walsh #12 14 August 2026 Irvine 13 55.29Walsh #13 5 June 2025 Indianapolis 14 55.31Walsh #14 16 June 2024 Indianapolis Walsh #15 6 March 2026 Westmont 16 55.38Walsh #16 27 July 2024 Paris 17 55.39Walsh #17 2 May 2026 Fort Lauderdale 18 55.47Walsh #18 27 June 2026 Rome 2 19 55.48 Sarah Sjöström 7 August 2016 Rio de Janeiro 3 20 55.52 Torri Huske 16 June 2024 Indianapolis 21 55.53Sjöström #2 24 July 2017 Budapest 22 55.56Walsh #19 18 June 2026 Indianapolis 4 23 55.59 Maggie Mac Neil 26 July 2021 Tokyo 23 55.59Huske #2 28 July 2024 Paris Walsh #20 6 March 2026 Westmont 5 55.62 Zhang Yufei 29 September 2020 Qingdao Regan Smith 16 June 2024 Indianapolis 7 55.72 Emma McKeon 26 July 2021 Tokyo 8 55.84 Roos Vanotterdijk 28 July 2025 Singapore 9 55.98 Dana Vollmer 29 July 2012 London 10 56.07 Liu Zige 18 October 2009 Jinan 11 56.08 Rikako Ikee 11 August 2018 Tokyo 12 56.11 Angelina Köhler 11 February 2024 Doha 13 56.14 Marie Wattel 19 June 2022 Budapest 14 56.19 Alexandria Perkins 27 July 2025 Singapore 15 56.20 Claire Curzan 10 April 2021 Cary 16 56.22 Louise Hansson 26 July 2021 Tokyo 17 56.23 Jessicah Schipper 27 July 2009 Rome 18 56.33 Mizuki Hirai 22 June 2024 Kanagawa 19 56.37 Kelsi Dahlia 24 July 2017 Budapest 2056.41Yu Yiting23 September 2026Tokyo 21 56.42 Daria Klepikova 27 July 2025 Singapore 22 56.43 Kate Douglass 29 June 2023 Indianapolis 23 56.46 Penny Oleksiak 7 August 2016 Rio de Janeiro 24 56.51 Jeanette Ottesen 18 August 2014 Berlin 25 56.61 Inge de Bruijn 17 September 2000 Sydney Chen Xinyi 23 September 2014 Incheon
Women short course
Correct as of October 2026 Time Athlete Nation Date Place 1 1 52.71 Gretchen Walsh 14 December 2024 Budapest 2 52.87Walsh #2 13 December 2024 Budapest 3 53.10Walsh #3 25 October 2025 Toronto 4 53.24Walsh #4 13 December 2024 Budapest 5 53.69Walsh #5 12 October 2025 Carmel 6 53.72Walsh #6 19 October 2025 Westmont 7 53.83Walsh #7 25 October 2025 Toronto 2 8 54.05 Maggie Mac Neil 18 December 2022 Melbourne 9 54.28Walsh #8 19 October 2025 Westmont 10 54.43Walsh #9 12 October 2025 Carmel 3 11 54.59 Kelsi Dahlia 3 December 2021 Eindhoven 4 12 54.61 Sarah Sjöström 7 December 2014 Doha 5 13 54.66 Tessa Giele 14 December 2024 Budapest 6 14 54.75 Torri Huske 18 December 2022 Melbourne 15 54.78Mac Neil #2 30 October 2022 Toronto 16 54.84Dahlia #2 6 October 2018 Budapest 7 17 54.87 Louise Hansson 18 December 2022 Melbourne 18 54.89Dahlia #3 20 November 2021 Eindhoven 19 54.91Sjöström #2 30 September 2018 Eindhoven 8 20 54.93 Alexandria Perkins 12 October 2025 Carmel 21 54.96Sjöström #3 6 October 2018 Budapest 22 55.00Sjöström #4 17 December 2017 Copenhagen Dahlia #4 10 November 2018 Genoa 24 55.01Dahlia #5 16 December 2018 Hangzhou 25 55.02Hansson #2 30 October 2022 Toronto 9 55.05 Diane Bui Duyet 12 December 2009 Istanbul 10 55.10 Jeanette Ottesen 11 December 2015 Indianapolis Mizuki Hirai 22 February 2025 Sagamihara 12 55.12 Katinka Hosszú 11 December 2016 Windsor 13 55.25 Lu Ying 7 December 2014 Doha 14 55.29 Roos Vanotterdijk 3 October 2026 Baku 15 55.30 Alicia Coutts 9 November 2013 Tokyo 16 55.31 Rikako Ikee 11 November 2018 Tokyo 17 55.32 Béryl Gastaldello 15 November 2020 Budapest 18 55.39 Emma McKeon 26 October 2019 Budapest Claire Curzan 21 December 2021 Abu Dhabi Laura Lahtinen 4 December 2025 Lublin 21 55.43 Felicity Galvez 19 December 2010 Dubai 22 55.46 Zhang Yufei 29 October 2022 Beijing 23 55.50 Angelina Köhler 9 December 2023 Otopeni Ellen Walshe 13 December 2024 Budapest 25 55.52 Martine Damborg 5 December 2025 Lublin
Olympic champions Men
Edition Winner Time Notes Mexico City 1968 55.9 Munich 1972 54.27 Montreal 1976 54.35 Moscow 1980 54.92 Los Angeles 1984 53.08 Seoul 1988 53.00 Barcelona 1992 53.32 Atlanta 1996 52.27 Sydney 2000 52.00 Athens 2004 51.25 Beijing 2008 50.58 London 2012 51.21 Rio de Janeiro 2016 50.39 Tokyo 2020 49.45 Paris 2024 49.90
Women
Edition Winner Time Notes Melbourne 1956 1:11.0 Rome 1960 1:09.5 Tokyo 1964 1:04.7 Mexico City 1968 1:05.5 Munich 1972 1:03.34 Montreal 1976 1:00.13 = Moscow 1980 1:00.42 Los Angeles 1984 59.26 Seoul 1988 59.00 Barcelona 1992 58.62 Atlanta 1996 59.13 Sydney 2000 56.61 Athens 2004 57.72 Beijing 2008 56.73 London 2012 55.98 Rio de Janeiro 2016 55.48 Tokyo 2020 55.59 Paris 2024 55.59
World champions (long course) Men
Edition Winner Time Notes Belgrade 1973 55.69 CR Cali 1975 55.63 CR West Berlin 1978 54.30 Guayaquil 1982 53.88 CR Madrid 1986 53.54 CR Perth 1991 53.29 CR Rome 1994 53.51 Perth 1998 52.25 CR Fukuoka 2001 52.10 CR Barcelona 2003 50.98 Montreal 2005 50.40 Melbourne 2007 50.77 Rome 2009 49.82 Shanghai 2011 50.71 Barcelona 2013 51.06 Kazan 2015 50.56 Budapest 2017 49.86 Gwangju 2019 49.66 Budapest 2022 50.14 Fukuoka 2023 50.14 Doha 2024 51.17 Singapore 2025 49.62
Women
Edition Winner Time Notes Belgrade 1973 1:02.53 CR Cali 1975 1:01.24 West Berlin 1978 1:00.20 CR Guayaquil 1982 59.41 CR Madrid 1986 59.51 Perth 1991 59.68 Rome 1994 58.98 CR Perth 1998 58.46 CR Fukuoka 2001 58.27 CR Barcelona 2003 57.96 CR Montreal 2005 57.23 CR Melbourne 2007 57.15 CR Rome 2009 56.06 Shanghai 2011 56.87 Barcelona 2013 56.53 Kazan 2015 55.64 Budapest 2017 55.53 CR Gwangju 2019 55.83 Budapest 2022 55.64 Fukuoka 2023 56.12 Doha 2024 56.28 Singapore 2025 54.73 CR
World champions (short course) Men
Edition Winner Time Notes Palma de Mallorca 1993 52.79 CR Rio de Janeiro 1995 52.38 CR Gothenburg 1997 51.95 CR Hong Kong 1999 51.45 CR Athens 2000 50.44 Moscow 2002 50.95 Indianapolis 2004 50.18 CR Shanghai 2006 51.07 Manchester 2008 50.04 CR Dubai 2010 50.23 Istanbul 2012 48.82 CR Doha 2014 48.44 Windsor 2016 48.08 Hangzhou 2018 48.50 Abu Dhabi 2021 48.87 Melbourne 2022 48.59 Budapest 2024 47.71
Women
Edition Winner Time Notes Palma de Mallorca 1993 59.19 CR Rio de Janeiro 1995 58.68 Gothenburg 1997 57.79 Hong Kong 1999 57.65 CR Athens 2000 57.67 Moscow 2002 57.04 Indianapolis 2004 57.38 Shanghai 2006 56.61 Manchester 2008 55.89 Dubai 2010 55.43 CR Istanbul 2012 56.13 Doha 2014 54.61 Windsor 2016 55.12 Hangzhou 2018 55.01 Abu Dhabi 2021 55.04 Melbourne 2022 54.05 Budapest 2024 52.71
Notes
References International Swimming Hall of Fame – archived from the ISHOF original