// Workers AI · dad joke modeWhat did 100 metres backstroke say? It's always stroking behind.
The 100 metres backstroke is an event in competitive swimming. World records are ratified by World Aquatics (formerly FINA). The current long course world record holders are Italy's Thomas Ceccon and the US' Regan Smith, while the current short course world record holders are Hungary's Hubert Kós, and Smith.
The men's event was first contested at the Olympic Games in 1908; it was removed from the 1964 program and was reinstated at the 1968 games. The women's event has been contested since 1924. The current Olympic champions are Ceccon, and Australia's Kaylee McKeown. The men's and women's events have been contested at the World Aquatics Championships since the inaugural edition in 1973; the current world champions (long course) are South Africa's Pieter Coetze, and McKeown. The men's and women's events have been contested at the World Aquatics Swimming Championships (25m) since the inaugural edition in 1993; the current world champions (short course) are Miron Lifintsev and Smith.

World record progression
[edit]Men long course
[edit]| # | Time | Name | Nationality | Date | Meet | Location | Ref | |
|---|---|---|---|---|---|---|---|---|
| 1 | 1:02.2 | David Theile | 6 December 1956 | Olympic Games | Melbourne, Australia | |||
| 2 | 1:01.5 | John Monckton | 15 February 1958 | Australian Championships | Perth, Australia | |||
| 3 | 1:01.3 | Bob Bennett | 19 August 1961 | Men’s NAAA Championships | Los Angeles, United States | |||
| 4 | 1:01.0 | h | Tom Stock | 11 August 1962 | - | Cuyahoga Falls, United States | ||
| 5 | 1:00.9 | Tom Stock | 12 August 1962 | - | Cuyahoga Falls, United States | |||
| 6 | 1:00.8 | Ernst-Joachim Küppers | 28 August 1964 | - | Dortmund, West Germany | |||
| 7 | 1:00.0 | Thompson Mann | 3 September 1964 | - | New York City, United States | |||
| 8 | 59.6 | r | Thompson Mann | 16 October 1964 | Olympic Games | Tokyo, Japan | ||
| 9 | 59.5 | h | Doug Russell | 28 August 1967 | Summer Universiade | Tokyo, Japan | ||
| 10 | 59.3 | Charlie Hickcox | 28 August 1967 | Summer Universiade | Tokyo, Japan | |||
| 11 | 59.1 | Charlie Hickcox | 31 August 1967 | Summer Universiade | Tokyo, Japan | |||
| 12 | 58.4 | Roland Matthes | 21 September 1967 | - | Leipzig, East Germany | |||
| 13 | 58.0 | Roland Matthes | 26 October 1968 | Olympic Games | Mexico City, Mexico | |||
| 14 | 57.8 | Roland Matthes | 23 August 1969 | - | Würzburg, West Germany | |||
| 15 | 56.9 | h | Roland Matthes | 8 September 1970 | European Championships | Barcelona, Spain | ||
| 16 | 56.7 | Roland Matthes | 4 September 1971 | - | Leipzig, East Germany | |||
| 17 | 56.3 | Roland Matthes | 8 April 1972 | - | Moscow, Soviet Union | |||
| 17 | 56.30 | =, r | Roland Matthes | 4 September 1972 | Olympic Games | Munich, West Germany | ||
| 19 | 56.19 | sf | John Naber | 18 July 1976 | Olympic Games | Montreal, Canada | ||
| 20 | 55.49 | John Naber | 19 July 1976 | Olympic Games | Montreal, Canada | |||
| 21 | 55.44 | h | Rick Carey | 6 August 1983 | US National Championships | Clovis, United States | ||
| 22 | 55.38 | Rick Carey | 6 August 1983 | US National Championships | Clovis, United States | |||
| 23 | 55.19 | Rick Carey | 21 August 1983 | Pan American Games | Caracas, Venezuela | |||
| 24 | 55.17 | h | Igor Polyansky | 15 March 1988 | - | Tallinn, Soviet Union | ||
| 25 | 55.16 | Igor Polyansky | 16 March 1988 | - | Tallinn, Soviet Union | |||
| 26 | 55.00 | Igor Polyansky | 16 July 1988 | Soviet Union Championships | Moscow, Soviet Union | |||
| 27 | 54.95 | h | David Berkoff | 12 August 1988 | US Olympic Trials | Austin, United States | ||
| 28 | 54.91 | David Berkoff | 12 August 1988 | US Olympic Trials | Austin, United States | |||
| 29 | 54.51 | h | David Berkoff | 16 September 1988 | Olympic Games | Seoul, South Korea | ||
| 30 | 53.93 | r | Jeff Rouse | 25 August 1991 | Pan Pacific Championships | Edmonton, Canada | ||
| 31 | 53.86 | r | Jeff Rouse | 31 July 1992 | Olympic Games | Barcelona, Spain | ||
| 32 | 53.60 | Lenny Krayzelburg | 24 August 1999 | Pan Pacific Championships | Sydney, Australia | |||
| 33 | 53.45 | r | Aaron Peirsol | 21 August 2004 | Olympic Games | Athens, Greece | [1] | |
| 34 | 53.17 | Aaron Peirsol | 2 April 2005 | US World Championships Trials | Indianapolis, United States | [2] | ||
| 35 | 52.98 | Aaron Peirsol | 27 March 2007 | World Championships | Melbourne, Australia | [3] | ||
| 36 | 52.89 | Aaron Peirsol | 1 July 2008 | US Olympic Trials | Omaha, United States | [4] | ||
| 37 | 52.54 | Aaron Peirsol | 12 August 2008 | Olympic Games | Beijing, China | [5] | ||
| 38 | 52.38 | r | Aschwin Wildeboer | 1 July 2009 | Mediterranean Games | Pescara, Italy | [6] | |
| 39 | 51.94 | Aaron Peirsol | 8 July 2009 | US National Championships | Indianapolis, United States | [7] | ||
| 40 | 51.85 | r | Ryan Murphy | 13 August 2016 | Olympic Games | Rio de Janeiro, Brazil | [8] | |
| 41 | 51.60 | Thomas Ceccon | 20 June 2022 | World Championships | Budapest, Hungary | [9] |
Records not set in finals: h – heat;
Men short course
[edit]| # | Time | Name | Nationality | Date | Meet | Location | Ref | |
|---|---|---|---|---|---|---|---|---|
| 1 | 52.71 | Mark Tewksbury | 16 March 1991 | World Cup | Bonn, Germany | |||
| 2 | 52.58 | Mark Tewksbury | 29 March 1991 | World Cup | Sheffield, United Kingdom | |||
| 3 | 52.52 | Mark Tewksbury | 20 February 1992 | - | Winnipeg, Canada | |||
| 4 | 52.50 | r | Mark Tewksbury | 22 February 1992 | - | Winnipeg, Canada | ||
| 5 | 51.43 | Jeff Rouse | 12 April 1993 | World Cup | Sheffield, United Kingdom | |||
| 6 | 51.28 | Lenny Krayzelburg | 5 February 2000 | World Cup | Berlin, Germany | |||
| 7 | 50.75 | Neil Walker | 19 March 2000 | World Cup | Athens, Greece | |||
| 8 | 50.58 | Thomas Rupprath | 8 December 2002 | World Cup | Melbourne, Australia | |||
| 9 | 50.32 | Peter Marshall | 26 March 2004 | - | New York City, United States | |||
| 10 | 49.99 | r | Ryan Lochte | 9 April 2006 | World Championships | Shanghai, China | ||
| 11 | 49.94 | Peter Marshall | 11 November 2008 | World Cup | Stockholm, Sweden | |||
| 12 | 49.63 | Peter Marshall | 15 November 2008 | World Cup | Berlin, Germany | |||
| 13 | 49.32 | Stanislav Donets | 14 December 2008 | European Championships | Rijeka, Croatia | |||
| 14 | 49.20 | r | Aschwin Wildeboer | 21 December 2008 | Spanish Championships | Madrid, Spain | ||
| 15 | 49.17 | sf | Arkady Vyatchanin | 12 December 2009 | European Championships | Istanbul, Turkey | [10] | |
| 16 | 48.97 | = | Arkady Vyatchanin | 13 December 2009 | European Championships | Istanbul, Turkey | [11] | |
| 16 | 48.97 | = | Stanislav Donets | 13 December 2009 | European Championships | Istanbul, Turkey | [11] | |
| 18 | 48.94 | r | Nick Thoman | 18 December 2009 | Duel in the Pool | Manchester, United Kingdom | [12] | |
| 19 | 48.92 | Matt Grevers | 12 December 2015 | Duel in the Pool | Indianapolis, United States | [13] | ||
| 20 | 48.90 | Kliment Kolesnikov | 22 December 2017 | Vladimir Salnikov Cup | Saint Petersburg, Russia | [14] | ||
| 21 | 48.88 | Xu Jiayu | 11 November 2018 | World Cup | Tokyo, Japan | [15] | ||
| 22 | 48.58 | r | Kliment Kolesnikov | 21 November 2020 | International Swimming League | Budapest, Hungary | [16] | |
| 23 | 48.33 | Coleman Stewart | 29 August 2021 | International Swimming League | Naples, Italy | [17] | ||
| 24 | 48.16 | Hubert Kós | 25 October 2025 | World Cup | Toronto, Canada | [18] |
Records not set in finals: h – heat;
Women long course
[edit]Records not set in finals: h – heat;
Women short course
[edit]| # | Time | Name | Nationality | Date | Meet | Location | Ref | |
|---|---|---|---|---|---|---|---|---|
| 1 | 59.41 | Angel Martino | 21 November 1993 | - | Stavanger, Norway | |||
| 2 | 58.50 | Angel Martino | 3 December 1993 | World Championships | Palma de Mallorca, Spain | |||
| 3 | 58.45 | Reiko Nakamura | 4 March 2001 | - | Sagamihara, Japan | |||
| 4 | 57.08 | Natalie Coughlin | 29 November 2001 | World Cup | East Meadow, United States | |||
| 5 | 56.71 | Natalie Coughlin | 23 November 2002 | World Cup | East Meadow, United States | |||
| 6 | 56.51 | Natalie Coughlin | 28 October 2007 | World Cup | Singapore | |||
| 7 | 56.15 | Shiho Sakai | 22 February 2009 | Japan Open | Tokyo, Japan | |||
| 8 | 55.23 | Shiho Sakai | 15 November 2009 | World Cup | Berlin, Germany | [32] | ||
| 9 | 55.03 | Katinka Hosszú | 4 December 2014 | World Championships | Doha, Qatar | [33] | ||
| 10 | 54.89 | Minna Atherton | 27 October 2019 | International Swimming League | Budapest, Hungary | [34] | ||
| 11 | 54.56 | Kaylee McKeown | 26 September 2024 | Australian Championships | Adelaide, Australia | [35] | ||
| 12 | 54.41 | Regan Smith | 25 October 2024 | World Cup | Incheon, South Korea | [36] | ||
| 13 | 54.27 | Regan Smith | 1 November 2024 | World Cup | Singapore | [37] | ||
| 14 | 54.02 | r | Regan Smith | 15 December 2024 | World Championships | Budapest, Hungary | [38] | |
| 14 | 54.02 | = | Regan Smith | 18 October 2025 | World Cup | Westmont, United States | [39] |
Records not set in finals: h – heat;
All-time top 25
[edit]| Tables show data for two definitions of "Top 25" - the top 25 100 m backstroke times and the top 25 athletes: |
| - denotes top performance for athletes in the top 25 100 m backstroke times |
| - denotes lesser performances, still in the top 25 100 m backstroke times, by repeat athletes |
| - denotes top performance (only) for other top 25 athletes who fall outside the top 25 100 m backstroke times |
Men long course
[edit]- Correct as of September 2026[40]
| Ath.# | Perf.# | Time | Athlete | Nation | Date | Place | Ref. |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 51.60 | Thomas Ceccon | 20 June 2022 | Budapest | [9] | |
| 2 | 2 | 51.71 | Pieter Coetze | 29 July 2026 | Glasgow | [41] | |
| 3 | 51.77 | Coetze #2 | 29 July 2026 | Glasgow | [42] | ||
| 4 | 51.80 | Ceccon #2 | 3 August 2025 | Singapore | [43] | ||
| 3 | 5 | 51.82 | Kliment Kolesnikov | 26 July 2023 | Kazan | [44] | |
| 4 | 6 | 51.85 | Ryan Murphy | 13 August 2016 | Rio de Janeiro | [8] | |
| 6 | 51.85 | Coetze #3 | 29 July 2025 | Singapore | [45] | ||
| 5 | 8 | 51.86 | Xu Jiayu | 12 April 2017 | Qingdao | [46] | |
| 9 | 51.90 | Ceccon #3 | 29 July 2025 | Singapore | [45] | ||
| 6 | 10 | 51.92 | Yohann Ndoye Brouard | 29 July 2025 | Singapore | [45] | |
| 11 | 51.93 | Ceccon #4 | 25 June 2022 | Budapest | [47] | ||
| 7 | 12 | 51.94 | Aaron Peirsol | 8 July 2009 | Indianapolis | [7] | |
| 12 | 51.94 | Murphy #2 | 10 August 2018 | Tokyo | [48] | ||
| 14 | 51.97 | Murphy #3 | 8 August 2016 | Rio de Janeiro | [49] | ||
| Murphy #4 | 20 June 2022 | Budapest | [9] | ||||
| 8 | 16 | 51.98 | Evgeny Rylov | 27 July 2021 | Tokyo | [50] | |
| Hunter Armstrong | 20 June 2022 | Budapest | [9] | ||||
| 16 | 51.98 | Coetze #4 | 28 July 2026 | Glasgow | [51] | ||
| Xu #2 | 20 September 2026 | Tokyo | [52] | ||||
| 20 | 51.99 | Coetze #5 | 19 July 2025 | Berlin | [53] | ||
| 21 | 52.00 | Kolesnikov #2 | 27 July 2021 | Tokyo | [50] | ||
| Ceccon #5 | 29 July 2024 | Paris | [54] | ||||
| 23 | 52.02 | Xu #3 | 28 July 2024 | Paris | [55] | ||
| 24 | 52.04 | Murphy #5 | 30 July 2023 | Fukuoka | [56] | ||
| Kolesnikov #3 | 14 April 2025 | Kazan | [57] | ||||
| 10 | 52.08 | Matt Grevers | 25 June 2012 | Omaha | [58] | ||
| Miron Lifintsev | 28 July 2024 | Yekaterinburg | [59] | ||||
| 12 | 52.09 | Apostolos Christou | 19 June 2022 | Budapest | [60] | ||
| 13 | 52.11 | Camille Lacourt | 10 August 2010 | Budapest | [61] | ||
| Mitch Larkin | 6 November 2015 | Dubai | [62] | ||||
| 15 | 52.12 | David Plummer | 27 June 2016 | Omaha | [63] | ||
| Oliver Morgan | 17 April 2025 | London | [64] | ||||
| 17 | 52.20 | Hubert Kós | 29 July 2025 | Singapore | [45] | ||
| 18 | 52.24 | Ryosuke Irie | 4 September 2009 | Kumamoto | [65] | ||
| 19 | 52.26 | Junya Koga | 28 July 2009 | Rome | [66] | ||
| 20 | 52.27 | Helge Meeuw | 2 August 2009 | Rome | [67] | ||
| 21 | 52.38 | Aschwin Wildeboer | 1 July 2009 | Pescara | [6] | ||
| 22 | 52.40 | Pavel Samusenko | 14 April 2025 | Kazan | [57] | ||
| 23 | 52.51 | Nick Thoman | 7 August 2009 | Federal Way | [68] | ||
| Shaine Casas | 8 July 2022 | Austin | [69] | ||||
| 25 | 52.54 | Will Modglin | 19 July 2025 | Berlin | [53] |
Men short course
[edit]- Correct as of December 2025[70]
| Ath.# | Perf.# | Time | Athlete | Nation | Date | Place | Ref. |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 48.16 | Hubert Kós | 25 October 2025 | Toronto | [18] | |
| 2 | 2 | 48.33 | Coleman Stewart | 29 August 2021 | Naples | [17] | |
| 3 | 3 | 48.50 | Ryan Murphy | 14 December 2022 | Melbourne | [71] | |
| 4 | 4 | 48.58 | Kliment Kolesnikov | 21 November 2020 | Budapest | [16] | |
| 5 | 48.59 | Kolesnikov #2 | 12 November 2025 | Kazan | [72] | ||
| 6 | 48.63 | Kolesnikov #3 | 14 December 2020 | Saint Petersburg | [73] | ||
| Kolesnikov #4 | 18 December 2023 | Saint Petersburg | [74] | ||||
| 8 | 48.71 | Kolesnikov #5 | 15 December 2020 | Saint Petersburg | [75] | ||
| 5 | 9 | 48.76 | Miron Lifintsev | 11 December 2024 | Budapest | [76] | |
| 10 | 48.78 | Kós #2 | 19 October 2025 | Westmont | [77] | ||
| 6 | 10 | 48.78 | Pavel Samusenko | 19 December 2025 | Saint Petersburg | [78] | |
| 12 | 48.79 | Kós #3 | 11 December 2024 | Budapest | [76] | ||
| 13 | 48.82 | Kolesnikov #6 | 22 November 2020 | Budapest | [79] | ||
| Kolesnikov #7 | 21 November 2022 | Kazan | [80] | ||||
| 7 | 15 | 48.84 | Shaine Casas | 30 October 2022 | Toronto | [81] | |
| 8 | 16 | 48.88 | Xu Jiayu | 11 November 2018 | Tokyo | [15] | |
| Evgeny Rylov | 15 December 2020 | Saint Petersburg | [75] | ||||
| 18 | 48.90 | Kolesnikov #8 | 22 December 2017 | Saint Petersburg | [14] | ||
| 19 | 48.91 | Stewart #2 | 28 August 2021 | Naples | [82] | ||
| 10 | 20 | 48.92 | Matt Grevers | 12 December 2015 | Indianapolis | [13] | |
| 20 | 48.92 | Casas #2 | 15 December 2024 | Budapest | [83] | ||
| 11 | 22 | 48.94 | Nick Thoman | 18 December 2009 | Manchester | [12] | |
| 22 | 48.94 | Rylov #2 | 4 December 2021 | Eindhoven | [84] | ||
| 12 | 24 | 48.95 | Stanislav Donets | 19 December 2010 | Dubai | [85] | |
| Guilherme Guido | 3 September 2021 | Naples | [86] | ||||
| 14 | 48.97 | Arkady Vyatchanin | 13 December 2009 | Istanbul | [11] | ||
| 15 | 49.03 | Mitch Larkin | 28 November 2015 | Sydney | [87] | ||
| 16 | 49.04 | Lorenzo Mora | 14 December 2022 | Melbourne | [71] | ||
| 17 | 49.05 | Aschwin Wildeboer | 13 December 2009 | Istanbul | [11] | ||
| 18 | 49.10 | Kacper Stokowski | 15 December 2024 | Budapest | [83] | ||
| 19 | 49.23 | Radosław Kawęcki | 20 December 2015 | Lublin | |||
| 20 | 49.25 | Mark Nikolaev | 12 November 2021 | Eindhoven | [88] | ||
| 21 | 49.29 | Peter Marshall | 10 November 2009 | Stockholm | [89] | ||
| Thomas Ceccon | 5 December 2025 | Lublin | [90] | ||||
| 23 | 49.31 | Robert Glință | 5 November 2021 | Kazan | [91] | ||
| 24 | 49.35 | Pieter Coetze | 20 October 2024 | Shanghai | [92] | ||
| 25 | 49.39 | Blake Tierney | 11 December 2024 | Budapest | [76] |
Women long course
[edit]- Correct as of August 2026[93]
| Ath.# | Perf.# | Time | Athlete | Nation | Date | Place | Ref. |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 57.13 | Regan Smith | 18 June 2024 | Indianapolis | [30] | |
| 2 | 2 | 57.16 | Kaylee McKeown | 29 July 2025 | Singapore | [94] | |
| 3 | 57.28 | Smith #2 | 4 August 2024 | Paris | [95] | ||
| 4 | 57.33 | McKeown #2 | 21 October 2023 | Budapest | [29] | ||
| McKeown #3 | 30 July 2024 | Paris | [96] | ||||
| 6 | 57.35 | Smith #3 | 29 July 2025 | Singapore | [94] | ||
| 7 | 57.41 | McKeown #4 | 11 June 2024 | Brisbane | [97] | ||
| 8 | 57.45 | McKeown #5 | 13 June 2021 | Adelaide | [28] | ||
| 9 | 57.46 | Smith #4 | 3 May 2025 | Fort Lauderdale | [98] | ||
| 10 | 57.47 | McKeown #6 | 27 July 2021 | Tokyo | [99] | ||
| Smith #5 | 17 June 2024 | Indianapolis | [100] | ||||
| 12 | 57.49 | Smith #6 | 2 May 2026 | Fort Lauderdale | [101] | ||
| 13 | 57.50 | McKeown #7 | 14 June 2023 | Melbourne | [102] | ||
| 14 | 57.51 | Smith #7 | 26 May 2024 | Irvine | [103] | ||
| 15 | 57.53 | McKeown #8 | 25 July 2023 | Fukuoka | [104] | ||
| 3 | 16 | 57.55 | Isabelle Stadden | 2 May 2026 | Fort Lauderdale | [101] | |
| 17 | 57.57 | Smith #8 | 28 July 2019 | Gwangju | [27] | ||
| McKeown #9 | 16 March 2024 | Sydney | [105] | ||||
| Smith #9 | 3 August 2025 | Singapore | [106] | ||||
| 20 | 57.63 | McKeown #10 | 15 May 2021 | Sydney | [107] | ||
| McKeown #11 | 14 October 2023 | Athens | [108] | ||||
| 22 | 57.64 | Smith #10 | 8 March 2024 | Westmont | [109] | ||
| 23 | 57.65 | Smith #11 | 19 June 2022 | Budapest | [110] | ||
| McKeown #12 | 22 April 2025 | Gold Coast | [111] | ||||
| 25 | 57.66 | Smith #12 | 30 July 2024 | Paris | [96] | ||
| 4 | 57.70 | Kylie Masse | 19 June 2021 | Toronto | [112] | ||
| 5 | 57.83 | Katharine Berkoff | 17 June 2024 | Indianapolis | [100] | ||
| 6 | 57.88 | Mollie O'Callaghan | 11 June 2024 | Brisbane | [97] | ||
| 7 | 57.94 | Mary-Ambre Moluh | 15 August 2026 | Paris | [113] | ||
| 8 | 58.00 | Kathleen Baker | 28 July 2018 | Irvine | [26] | ||
| 9 | 58.08 | Kathleen Dawson | 23 May 2021 | Budapest | [114] | ||
| 10 | 58.12 | Gemma Spofforth | 28 July 2009 | Rome | [24] | ||
| 11 | 58.18 | Anastasia Fesikova | 28 July 2009 | Rome | [24] | ||
| 12 | 58.21 | Claire Curzan | 12 August 2026 | Irvine | [115] | ||
| 13 | 58.23 | Emily Seebohm | 29 July 2012 | London | [116] | ||
| 14 | 58.31 | Olivia Smoliga | 15 May 2021 | Atlanta | [117] | ||
| 15 | 58.33 | Missy Franklin | 30 July 2012 | London | [118] | ||
| Marrit Steenbergen | 2 July 2026 | Eindhoven | [119] | ||||
| 17 | 58.37 | Taylor Ruck | 5 July 2026 | Montreal | [120] | ||
| 18 | 58.43 | Rhyan White | 15 May 2021 | Atlanta | [117] | ||
| 27 July 2021 | Tokyo | [99] | |||||
| Iona Anderson | 11 June 2024 | Brisbane | [97] | ||||
| Sara Curtis | 16 August 2026 | Paris | [121] | ||||
| 21 | 58.45 | Katinka Hosszú | 8 August 2016 | Rio de Janeiro | [122] | ||
| 22 | 58.53 | Leah Shackley | 17 May 2025 | Charlotte | |||
| 23 | 58.55 | Kennedy Noble | 17 June 2024 | Indianapolis | [123] | ||
| 24 | 58.60 | Minna Atherton | 22 July 2019 | Gwangju | [124] | ||
| 25 | 58.63 | Phoebe Bacon | 6 December 2019 | Atlanta | [125] |
Women short course
[edit]- Correct as of October 2025[126]
| Ath.# | Perf.# | Time | Athlete | Nation | Date | Place | Ref. |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 54.02 | Regan Smith | 15 December 2024 | Budapest | [38] | |
| 18 October 2025 | Westmont | [39] | |||||
| 3 | 54.27 | Smith #3 | 1 November 2024 | Singapore | [37] | ||
| 4 | 54.41 | Smith #4 | 25 October 2024 | Incheon | [36] | ||
| 2 | 5 | 54.49 | Kaylee McKeown | 24 October 2025 | Toronto | [127] | |
| 6 | 54.55 | Smith #5 | 11 December 2024 | Budapest | [128] | ||
| 7 | 54.56 | McKeown #2 | 26 September 2024 | Adelaide | [35] | ||
| 8 | 54.57 | Smith #6 | 24 October 2025 | Toronto | [127] | ||
| 3 | 9 | 54.89 | Minna Atherton | 27 October 2019 | Budapest | [34] | |
| Gretchen Walsh | 18 October 2024 | Charlottesville | [129] | ||||
| 9 | 54.89 | Smith #7 | 19 October 2024 | Shanghai | [130] | ||
| 12 | 54.92 | Smith #8 | 11 October 2025 | Carmel | [131] | ||
| 5 | 13 | 54.93 | Katharine Berkoff | 11 December 2024 | Budapest | [128] | |
| 6 | 14 | 55.03 | Katinka Hosszú | 4 December 2014 | Doha | [33] | |
| 7 | 15 | 55.04 | Olivia Smoliga | 22 November 2020 | Budapest | [132] | |
| 15 | 55.04 | McKeown #3 | 18 October 2025 | Westmont | [39] | ||
| 17 | 55.05 | Smith #9 | 10 December 2024 | Budapest | [133] | ||
| McKeown #4 | 11 October 2025 | Carmel | [131] | ||||
| 19 | 55.09 | Atherton #2 | 21 December 2019 | Las Vegas | [134] | ||
| 20 | 55.10 | Berkoff #2 | 24 October 2025 | Toronto | [127] | ||
| 21 | 55.12 | Atherton #3 | 27 October 2019 | Budapest | [135] | ||
| 8 | 22 | 55.17 | Kira Toussaint | 4 December 2019 | Glasgow | [136] | |
| 9 | 23 | 55.20 | Louise Hansson | 17 December 2021 | Abu Dhabi | [137] | |
| 10 | 24 | 55.22 | Kylie Masse | 17 December 2021 | Abu Dhabi | [137] | |
| 11 | 25 | 55.23 | Shiho Sakai | 15 November 2009 | Berlin | [32] | |
| 12 | 55.25 | Bella Sims | 11 October 2025 | Carmel | [131] | ||
| 13 | 55.31 | Emily Seebohm | 4 December 2014 | Doha | [33] | ||
| 14 | 55.36 | Ingrid Wilm | 18 December 2022 | Melbourne | [138] | ||
| 15 | 55.48 | Gao Chang | 28 February 2010 | Tokyo | [139] | ||
| 16 | 55.54 | Daryna Zevina | 4 December 2014 | Doha | [33] | ||
| 17 | 55.62 | Mollie O'Callaghan | 14 December 2022 | Melbourne | [140] | ||
| 18 | 55.72 | Beata Nelson | 1 November 2024 | Singapore | [37] | ||
| 19 | 55.74 | Claire Curzan | 14 December 2022 | Melbourne | [140] | ||
| 20 | 55.76 | Aya Terakawa | 23 February 2013 | Sagamihara | [141] | ||
| 21 | 55.79 | Iona Anderson | 26 September 2024 | Adelaide | [35] | ||
| 22 | 55.83 | Maria Kameneva | 18 December 2022 | Saint Petersburg | [142] | ||
| 23 | 55.86 | Maaike de Waard | 6 November 2021 | Kazan | [143] | ||
| 24 | 55.87 | Rhyan White | 17 December 2021 | Abu Dhabi | [137] | ||
| 25 | 55.89 | Ali DeLoof | 10 September 2021 | Naples | [144] |
Olympic champions
[edit]Men
[edit]Women
[edit]World champions (long course)
[edit]Men
[edit]| Edition | Winner | Time | Notes | Ref. |
|---|---|---|---|---|
| 57.47 | CR | |||
| 58.15 | ||||
| 56.36 | CR | |||
| 55.95 | CR | |||
| 55.58 | CR | |||
| 55.23 | CR | |||
| 55.17 | CR | |||
| 55.00 | CR | |||
| 54.31 | CR | |||
| 53.61 | CR | |||
| 53.62 | ||||
| 52.98 | WR | |||
| 52.26 | CR | |||
| 52.76 | ||||
| 52.93 | ||||
| 52.40 | ||||
| 52.44 | ||||
| 52.43 | [j] | |||
| 51.60 | WR | |||
| 52.22 | ||||
| 52.68 | ||||
| 51.85 |
Women
[edit]| Edition | Winner | Time | Notes | Ref. |
|---|---|---|---|---|
| 1:05.42 | CR | |||
| 1:03.30 | CR | |||
| 1:02.55 | CR | |||
| 1:01.30 | CR | |||
| 1:01.74 | ||||
| 1:01.78 | ||||
| 1:00.57 | CR | |||
| 1:01.16 | ||||
| 1:00.37 | ||||
| 1:00.50 | ||||
| 1:00.24 | ||||
| 59.44 | WR | |||
| 58.12 | WR | |||
| 59.05 | ||||
| 58.42 | ||||
| 58.26 | ||||
| 58.12 | WR | |||
| 58.60 | ||||
| 58.22 | ||||
| 57.53 | CR | |||
| 58.29 | ||||
| 57.16 | CR |
World champions (short course)
[edit]Men
[edit]| Edition | Winner | Time | Notes | Ref. |
|---|---|---|---|---|
| 52.98 | CR | |||
| 53.12 | ||||
| 52.77 | ||||
| 52.44 | CR | |||
| 50.75 | WR | |||
| 51.26 | ||||
| 50.72 | CR | |||
| 51.09 | ||||
| 50.14 | ||||
| 49.07 | CR | |||
| 49.89 | ||||
| 49.57 | ||||
| 49.65 | ||||
| 49.23 | ||||
| 49.23 | ||||
| 48.50 | CR | |||
| 48.74 |
Women
[edit]| Edition | Winner | Time | Notes | Ref. |
|---|---|---|---|---|
| 58.50 | WR | |||
| 1:00.21 | ||||
| 59.75 | ||||
| 58.67 | ||||
| 58.66 | ||||
| 59.07 | ||||
| 59.03 | ||||
| 58.02 | CR | |||
| 57.10 | CR | |||
| 56.08 | CR | |||
| 56.64 | ||||
| 55.03 | WR | |||
| 55.54 | ||||
| 56.19 | ||||
| 55.20 | ||||
| 55.49 | ||||
| 54.55 | CR |
Notes
[edit]- ↑ Harry Hebner set an Olympic record of 1:20.8 in the semifinals.
- ↑ Warren Kealoha set a world record of 1:14.8 in the semifinals.
- ↑ David Berkoff set a world record of 54.51 in the heats.
- ↑ Marie Braun set a world record of 1:21.6 in the heats.
- ↑ Eleanor Holm set a world record of 1:18.3 in the semifinals.
- ↑ Nida Senff set an Olympic record of 1:16.6 in the semifinals.
- ↑ Natalie Coughlin set an Olympic record of 1:00.17 in the semifinals.
- ↑ Kirsty Coventry set a world record of 58.77 in the semifinals.
- ↑ Emily Seebohm set an Olympic record of 58.23 in the heats.
- ↑ Xu Jiayu set a championship record of 52.17 in the semifinals.
References
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