# World record progression 100 metres backstroke

This is a history of the 100 m backstroke world record as swum in both long-course (50 m; Olympic) pools and short-course (25 m) pools—the two categories recognized/tracked by FINA.

## Men
### Long course

| # | Time | | Name | Nationality | Date | Meet | Location |
| 1 | 1:02.2 | | David Theile | Australia | 6 December 1956 | Olympic Games | Melbourne, Australia |
| 2 | 1:01.5 | | John Monckton | Australia | 15 February 1958 | Australian Championships | Perth, Australia |
| 3 | 1:01.3 | | Bob Bennett | United States | 19 August 1961 | Men’s NAAA Championships | Los Angeles, United States |
| 4 | 1:01.0 | h | Tom Stock | United States | 11 August 1962 | - | Cuyahoga Falls, Ohio, United States |
| 5 | 1:00.9 | | Tom Stock | United States | 12 August 1962 | - | Cuyahoga Falls, Ohio, United States |
| 6 | 1:00.8 | | Ernst-Joachim Küppers | West Germany | 28 August 1964 | - | Dortmund, West Germany |
| 7 | 1:00.0 | | Thompson Mann | United States | 3 September 1964 | - | New York City, United States |
| 8 | 59.6 | r | Thompson Mann | United States | 16 October 1964 | Olympic Games | Tokyo, Japan |
| 9 | 59.5 | h | Doug Russell | United States | 28 August 1967 | Summer Universiade | Tokyo, Japan |
| 10 | 59.3 | | Charlie Hickcox | United States | 28 August 1967 | Summer Universiade | Tokyo, Japan |
| 11 | 59.1 | | Charlie Hickcox | United States | 31 August 1967 | Summer Universiade | Tokyo, Japan |
| 12 | 58.4 | | Roland Matthes | East Germany | 21 September 1967 | - | Leipzig, East Germany |
| 13 | 58.0 | | Roland Matthes | East Germany | 26 October 1968 | Olympic Games | Mexico City, Mexico |
| 14 | 57.8 | | Roland Matthes | East Germany | 23 August 1969 | - | Würzburg, West Germany |
| 15 | 56.9 | h | Roland Matthes | East Germany | 8 September 1970 | European Championships | Barcelona, Spain |
| 16 | 56.7 | | Roland Matthes | East Germany | 4 September 1971 | - | Leipzig, East Germany |
| 17 | 56.3 | | Roland Matthes | East Germany | 8 April 1972 | - | Moscow, Soviet Union |
| 17 | 56.30 | =, r | Roland Matthes | East Germany | 4 September 1972 | Olympic Games | Munich, West Germany |
| 18 | 56.19 | sf | John Naber | United States | 18 July 1976 | Olympic Games | Montreal, Canada |
| 19 | 55.49 | | John Naber | United States | 19 July 1976 | Olympic Games | Montreal, Canada |
| 20 | 55.44 | h | Rick Carey | United States | 6 August 1983 | US National Championships | Clovis, California, United States |
| 21 | 55.38 | | Rick Carey | United States | 6 August 1983 | US National Championships | Clovis, California, United States |
| 22 | 55.19 | | Rick Carey | United States | 21 August 1983 | Pan American Games | Caracas, Venezuela |
| 23 | 55.17 | h | Igor Polyansky | Soviet Union | 15 March 1988 | - | Tallinn, Soviet Union |
| 24 | 55.16 | | Igor Polyansky | Soviet Union | 16 March 1988 | - | Tallinn, Soviet Union |
| 25 | 55.00 | | Igor Polyansky | Soviet Union | 16 July 1988 | USSR National Championships | Moscow, Soviet Union |
| 26 | 54.95 | h | David Berkoff | United States | 12 August 1988 | US Olympic Trials | Austin, Texas, United States |
| 27 | 54.91 | | David Berkoff | United States | 12 August 1988 | US Olympic Trials | Austin, Texas, United States |
| 28 | 54.51 | h | David Berkoff | United States | 16 September 1988 | Olympic Games | Seoul, South Korea |
| 29 | 53.93 | r | Jeff Rouse | United States | 25 August 1991 | Pan Pacific Championships | Edmonton, Canada |
| 30 | 53.86 | r | Jeff Rouse | United States | 31 July 1992 | Olympic Games | Barcelona, Spain |
| 31 | 53.60 | | Lenny Krayzelburg | United States | 24 August 1999 | Pan Pacific Championships | Sydney, Australia |
| 32 | 53.45 | r | Aaron Peirsol | United States | 21 August 2004 | Olympic Games | Athens, Greece |
| 33 | 53.17 | | Aaron Peirsol | United States | 2 April 2005 | US Spring National Championships | Indianapolis, United States |
| 34 | 52.98 | | Aaron Peirsol | United States | 27 March 2007 | World Championships | Melbourne, Australia |
| 35 | 52.89 | | Aaron Peirsol | United States | 1 July 2008 | US Olympic Trials | Omaha, Nebraska, United States |
| 36 | 52.54 | | Aaron Peirsol | United States | 12 Aug 2008 | Olympic Games | Beijing, China |
| 37 | 52.38 | r | Aschwin Wildeboer | Spain | 1 July 2009 | Mediterranean Games | Pescara, Italy |
| 38 | 51.94 | | Aaron Peirsol | United States | 8 July 2009 | US National Championships | Indianapolis, United States |
| 39 | 51.85 | r | Ryan Murphy | United States | 13 Aug 2016 | Olympic Games | Rio de Janeiro, Brazil |
| 40 | 51.60 | | Thomas Ceccon | Italy | 20 June 2022 | World Championships | Budapest, Hungary |

### Short course

| # | Time | | Name | Nationality | Date | Meet | Location |
| 1 | 52.71 | | Mark Tewksbury | Canada | 16 March 1991 | World Cup | Bonn, Germany |
| 2 | 52.58 | | Mark Tewksbury | Canada | 29 March 1991 | World Cup | Sheffield, United Kingdom |
| 3 | 52.52 | | Mark Tewksbury | Canada | 20 February 1992 | - | Winnipeg, Canada |
| 4 | 52.50 | r | Mark Tewksbury | Canada | 22 February 1992 | - | Winnipeg, Canada |
| 5 | 51.43 | | Jeff Rouse | United States | 12 April 1993 | World Cup | Sheffield, United Kingdom |
| 6 | 51.28 | | Lenny Krayzelburg | United States | 5 February 2000 | World Cup | Berlin, Germany |
| 7 | 50.75 | | Neil Walker | United States | 19 March 2000 | World Cup | Athens, Greece |
| 8 | 50.58 | | Thomas Rupprath | Germany | 8 December 2002 | World Cup | Melbourne, Australia |
| 9 | 50.32 | | Peter Marshall | United States | 26 March 2004 | - | New York City, United States |
| 10 | 49.99 | r | Ryan Lochte | United States | 9 April 2006 | World Championships | Shanghai, China |
| 11 | 49.94 | | Peter Marshall | United States | 11 November 2008 | World Cup | Stockholm, Sweden |
| 12 | 49.63 | | Peter Marshall | United States | 15 November 2008 | World Cup | Berlin, Germany |
| 13 | 49.32 | | Stanislav Donets | Russia | 14 December 2008 | European Championships | Rijeka, Croatia |
| 14 | 49.20 | r | Aschwin Wildeboer | Spain | 21 December 2008 | Spanish Championships | Madrid, Spain |
| 15 | 49.17 | sf | Arkady Vyatchanin | Russia | 12 December 2009 | European Championships | Istanbul, Turkey |
| 16 | 48.97 | = | Arkady Vyatchanin | Russia | 13 December 2009 | European Championships | Istanbul, Turkey |
| 16 | 48.97 | = | Stanislav Donets | Russia | 13 December 2009 | European Championships | Istanbul, Turkey |
| 17 | 48.94 | r | Nick Thoman | United States | 18 December 2009 | Duel in the Pool | Manchester, United Kingdom |
| 18 | 48.92 | | Matt Grevers | United States | 12 December 2015 | Duel in the Pool | Indianapolis, United States |
| 19 | 48.90 | | Kliment Kolesnikov | Russia | 22 December 2017 | Vladimir Salnikov Cup | Saint Petersburg, Russia |
| 20 | 48.88 | | Xu Jiayu | China | 11 November 2018 | World Cup | Tokyo, Japan |
| 21 | 48.58 | r | Kliment Kolesnikov | Russia | 21 November 2020 | International Swimming League | Budapest, Hungary |
| 22 | 48.33 | | Coleman Stewart | United States | 29 August 2021 | International Swimming League | Naples, Italy |

## Women
### Long course

| # | Time | | Name | Nationality | Date | Meet | Location |
| 1 | 1:07.7 | | Cathy Ferguson | United States | 14 October 1964 | Olympic Games | Tokyo, Japan |
| 2 | 1:07.4 | | Ann Farlie | South Africa | 23 July 1966 | - | Béziers, France |
| 3 | 1:07.3 | h | Elaine Tanner | Canada | 27 July 1967 | Pan American Games | Winnipeg, Canada |
| 4 | 1:07.1 | | Elaine Tanner | Canada | 30 July 1967 | Pan American Games | Winnipeg, Canada |
| 5 | 1:06.7 | | Karen Muir | South Africa | 30 January 1968 | - | Kimberley, South Africa |
| 6 | 1:06.4 | | Karen Muir | South Africa | 6 April 1968 | - | Paris, France |
| 7 | 1:06.2 | | Kaye Hall | United States | 22 October 1968 | Olympic Games | Mexico City, Mexico |
| 8 | 1:05.6 | | Karen Muir | South Africa | 6 July 1969 | - | Utrecht, Netherlands |
| 9 | 1:05.39 | | Ulrike Richter | East Germany | 18 August 1973 | - | Utrecht, Netherlands |
| 10 | 1:04.99 | r | Ulrike Richter | East Germany | 4 September 1973 | World Championships | Belgrade, Socialist Federal Republic of Yugoslavia |
| 11 | 1:04.78 | r | Wendy Cook | Canada | 31 January 1974 | Commonwealth Games | Christchurch, New Zealand |
| 12 | 1:04.43 | | Ulrike Richter | East Germany | 8 July 1974 | - | Rostock, East Germany |
| 13 | 1:04.09 | h | Ulrike Richter | East Germany | 22 August 1974 | European Championships | Vienna, Austria |
| 14 | 1:03.30 | | Ulrike Richter | East Germany | 23 August 1974 | European Championships | Vienna, Austria |
| 15 | 1:02.98 | | Ulrike Richter | East Germany | 1 September 1974 | USA Vs. GDR Dual Meet | Concord, United States |
| 16 | 1:02.60 | | Ulrike Richter | East Germany | 14 March 1976 | - | Tallinn, Soviet Union |
| 17 | 1:01.62 | | Kornelia Ender | East Germany | 3 June 1976 | - | East Berlin, East Germany |
| 18 | 1:01.51 | r | Ulrike Richter | East Germany | 5 June 1976 | - | East Berlin, East Germany |
| 18 | 1:01.51 | r, = | Rica Reinisch | East Germany | 20 July 1980 | Olympic Games | Moscow, Soviet Union |
| 19 | 1:01.50 | h | Rica Reinisch | East Germany | 22 July 1980 | Olympic Games | Moscow, Soviet Union |
| 20 | 1:00.86 | | Rica Reinisch | East Germany | 23 July 1980 | Olympic Games | Moscow, Soviet Union |
| 21 | 1:00.59 | r | Ina Kleber | East Germany | 24 August 1984 | Friendship Games | Moscow, Soviet Union |
| 22 | 1:00.31 | | Krisztina Egerszegi | Hungary | 24 August 1991 | European Championships | Athens, Greece |
| 23 | 1:00.16 | r | He Cihong | China | 10 September 1994 | World Championships | Rome, Italy |
| 24 | 59.58 | | Natalie Coughlin | United States | 13 August 2002 | US National Championships | Fort Lauderdale, United States |
| 25 | 59.44 | | Natalie Coughlin | United States | 27 March 2007 | World Championships | Melbourne, Australia |
| 26 | 59.21 | | Natalie Coughlin | United States | 17 February 2008 | US Grand Prix | Columbia, United States |
| 27 | 59.15 | h | Hayley McGregory | United States | 30 June 2008 | US Olympic Trials | Omaha, United States |
| 28 | 59.03 | h | Natalie Coughlin | United States | 30 June 2008 | US Olympic Trials | Omaha, United States |
| 29 | 58.97 | | Natalie Coughlin | United States | 1 July 2008 | US Olympic Trials | Omaha, United States |
| 30 | 58.77 | sf | Kirsty Coventry | Zimbabwe | 11 August 2008 | Olympic Games | Beijing, China |
| 31 | 58.48 | sf | Anastasia Zuyeva | Russia | 27 July 2009 | World Championships | Rome, Italy |
| 32 | 58.12 | | Gemma Spofforth | Great Britain | 28 July 2009 | World Championships | Rome, Italy |
| 33 | 58.10 | | Kylie Masse | Canada | 25 July 2017 | World Championships | Budapest, Hungary |
| 34 | 58.00 | | Kathleen Baker | United States | 28 July 2018 | US National Championships | Irvine, United States |
| 35 | 57.57 | r | Regan Smith | United States | 28 July 2019 | World Championships | Gwangju, South Korea |
| 36 | 57.45 | | Kaylee McKeown | Australia | 13 June 2021 | Australian Trials | Adelaide, Australia |
| 37 | 57.33 | | Kaylee McKeown | Australia | 21 October 2023 | World Cup | Budapest, Hungary |
| 38 | 57.13 | | Regan Smith | United States | 18 June 2024 | US Olympic Trials | Indianapolis, United States |

### Short course

| # | Time | | Name | Nationality | Date | Meet | Location |
| 1 | 59.41 | | Angel Martino | United States | 21 November 1993 | - | Stavanger, Norway |
| 2 | 58.50 | | Angel Martino | United States | 3 December 1993 | World Championships | Palma de Mallorca, Spain |
| 3 | 58.45 | | Reiko Nakamura | Japan | 4 March 2001 | - | Sagamihara, Japan |
| 4 | 57.08 | | Natalie Coughlin | United States | 29 November 2001 | World Cup | East Meadow, United States |
| 5 | 56.71 | | Natalie Coughlin | United States | 23 November 2002 | World Cup | East Meadow, United States |
| 6 | 56.51 | | Natalie Coughlin | United States | 28 October 2007 | World Cup | Singapore |
| 7 | 56.15 | | Shiho Sakai | Japan | 22 February 2009 | Japan Open | Tokyo, Japan |
| 8 | 55.23 | | Shiho Sakai | Japan | 15 November 2009 | World Cup | Berlin, Germany |
| 9 | 55.03 | | Katinka Hosszú | Hungary | 4 December 2014 | World Championships | Doha, Qatar |
| 10 | 54.89 | | Minna Atherton | Australia | 27 October 2019 | International Swimming League | Budapest, Hungary |
| 11 | 54.56 | | Kaylee McKeown | Australia | 26 September 2024 | Australian Championships | Adelaide, Australia |
| 12 | 54.41 | | Regan Smith | United States | 25 October 2024 | World Cup | Incheon, South Korea |
| 13 | 54.02 | r | Regan Smith | United States | 15 December 2024 | World Championships | Budapest, Hungary |

## All-time top 25
### Men long course

* Correct as of December 2024
| Pos | Time | Swimmer | Date | Venue |
| 1 | 51.60 | Thomas Ceccon (ITA) | 20 June 2022 | Budapest |
| 2 | 51.82 | Kliment Kolesnikov (RUS) | 26 July 2023 | Kazan |
| 3 | 51.85 | Ryan Murphy (USA) | 13 August 2016 | Rio de Janeiro |
| 4 | 51.86 | Xu Jiayu (CHN) | 12 April 2017 | Qingdao |
| 5 | 51.94 | Aaron Peirsol (USA) | 8 July 2009 | Indianapolis |
| 6 | 51.98 | Evgeny Rylov (RUS) | 27 July 2021 | Tokyo |
| 6 | 51.98 | Hunter Armstrong (USA) | 20 June 2022 | Budapest |
| 8 | 52.08 | Matt Grevers (USA) | 25 June 2012 | Omaha |
| 8 | 52.08 | Miron Lifincev (RUS) | 28 July 2024 | Yekaterinburg |
| 10 | 52.09 | Apostolos Christou (GRE) | 19 June 2022 | Budapest |
| 11 | 52.11 | Camille Lacourt (FRA) | 10 August 2010 | Budapest |
| 11 | 52.11 | Mitch Larkin (AUS) | 6 November 2015 | Dubai |
| 13 | 52.12 | David Plummer (USA) | 27 June 2016 | Omaha |
| 14 | 52.24 | Ryosuke Irie (JPN) | 4 September 2009 | Kumamoto |
| 15 | 52.26 | Junya Koga (JPN) | 28 July 2009 | Rome |
| 16 | 52.27 | Helge Meeuw (GER) | 2 August 2009 | Rome |
| 17 | 52.38 | Aschwin Wildeboer (ESP) | 27 June 2009 | Pescara |
| 18 | 52.50 | Yohann Ndoye Brouard (FRA) | 20 June 2022 | Budapest |
| 19 | 52.51 | Nick Thoman (USA) | 7 August 2009 | Federal Way |
| 19 | 52.51 | Shaine Casas (USA) | 8 July 2022 | Austin |
| 21 | 52.57 | Arkady Vyatchanin (RUS) | 2 August 2009 | Rome |
| 22 | 52.58 | Ksawery Masiuk (POL) | 19 June 2022 | Budapest |
| 22 | 52.58 | Pieter Coetze (RSA) | 29 July 2024 | Paris |
| 24 | 52.59 | Randall Bal (USA) | 5 December 2008 | Eindhoven |
| 25 | 52.70 | Hugo González (ESP) | 13 February 2024 | Doha |
| 25 | 52.70 | Oliver Morgan (GBR) | 3 April 2024 | London |

#### Notes

Below is a list of other times equal or superior to 52.70:
* Thomas Ceccon also swam 51.93 (2022), 52.00 (2024), 52.12 (2022), 52.16 (2023), 52.21 (2022), 52.27 (2023, 2023), 52.30 (2021), 52.43 (2024), 52.49 (2021), 52.52 (2021), 52.58 (2023, 2024).
* Ryan Murphy also swam 51.94 (2018), 51.97 (2016, 2022), 52.04 (2023), 52.19 (2018, 2021), 52.22 (2021, 2023, 2024), 52.24 (2021), 52.26 (2016), 52.28 (2016), 52.31 (2021), 52.33 (2021), 52.39 (2023, 2024), 52.44 (2019, 2024), 52.46 (2022), 52.49 (2016), 52.51 (2018, 2022), 52.56 (2023), 52.57 (2016), 52.59 (2017), 52.65 (2024), 52.69 (2017), 52.70 (2018).
* Kliment Kolesnikov also swam 52.00 (2021), 52.13 (2021), 52.15 (2021), 52.24 (2021), 52.29 (2021), 52.32 (2021), 52.42 (2021), 52.44 (2021), 52.53 (2018), 52.54 (2023), 52.63 (2021).
* Xu Jiayu also swam 52.02 (2024), 52.05 (2023), 52.17 (2019), 52.23 (2023), 52.26 (2023), 52.27 (2019), 52.31 (2016), 52.32 (2024), 52.34 (2014, 2018), 52.37 (2020, 2024), 52.42 (2023), 52.43 (2019), 52.44 (2017, 2017), 52.47 (2023), 52.51 (2021), 52.60 (2017, 2018, 2020), 52.64 (2023), 52.70 (2021).
* Evgeny Rylov also swam 52.12 (2021), 52.44 (2019), 52.57 (2019), 52.66 (2018), 52.67 (2018, 2019).
* Matt Grevers also swam 52.16 (2012), 52.26 (2017), 52.48 (2017), 52.54 (2015), 52.55 (2015), 52.58 (2012), 52.64 (2016), 52.66 (2012, 2015).
* Aaron Peirsol also swam 52.19 (2009), 52.54 (2008).
* Hunter Armstrong also swam 52.20 (2022), 52.33 (2023), 52.37 (2022), 52.45 (2023), 52.48 (2021), 52.58 (2023), 52.59 (2023), 52.67 (2021), 52.68 (2023, 2024).
* Apostolos Christou also swam 52.23 (2024), 52.24 (2022), 52.41 (2024), 52.57 (2022).
* Mitch Larkin also swam 52.26 (2015), 52.37 (2015), 52.38 (2015, 2019), 52.40 (2015), 52.41 (2015), 52.43 (2016), 52.48 (2015, 2016), 52.50 (2015), 52.54 (2016), 52.70 (2016).
* David Plummer also swam 52.28 (2016), 52.40 (2016, 2016), 52.50 (2016), 52.51 (2015), 52.70 (2016).
* Ryosuke Irie also swam 52.34 (2014), 52.45 (2014), 52.50 (2009, 2009), 52.53 (2018, 2018), 52.56 (2009), 52.57 (2014), 52.59 (2020), 52.60 (2009), 52.61 (2018), 52.62 (2009), 52.69 (2014).
* Miron Lifincev also swam 52.34 (2024), 52.62 (2024).
* Junya Koga also swam 52.39 (2009).
* Camille Lacourt also swam 52.44 (2011), 52.46 (2010), 52.48 (2015), 52.58 (2010), 52.70 (2015, 2016).
* Helge Meeuw also swam 52.46 (2009), 52.49 (2009), 52.54 (2009).
* Yohann Ndoye Brouard also swam 52.60 (2024), 52.63 (2024).
* Pieter Coetze also swam 52.63 (2024).
* Aschwin Wildeboer also swam 52.64 (2009), 52.70 (2009).

### Men short course

* Correct as of December 2024
| Pos | Time | Swimmer | Date | Venue |
| 1 | 48.33 | Coleman Stewart (USA) | 29 August 2021 | Naples |
| 2 | 48.50 | Ryan Murphy (USA) | 14 December 2022 | Melbourne |
| 3 | 48.58 | Kliment Kolesnikov (RUS) | 21 November 2020 | Budapest |
| 4 | 48.76 | Miron Lifintsev (RUS) | 11 December 2024 | Budapest |
| 5 | 48.79 | Hubert Kós (HUN) | 11 December 2024 | Budapest |
| 6 | 48.84 | Shaine Casas (USA) | 30 October 2022 | Toronto |
| 7 | 48.88 | Xu Jiayu (CHN) | 11 November 2018 | Tokyo |
| 7 | 48.88 | Evgeny Rylov (RUS) | 15 December 2020 | Saint Petersburg |
| 9 | 48.92 | Matt Grevers (USA) | 12 December 2015 | Indianapolis |
| 10 | 48.94 | Nick Thoman (USA) | 18 December 2009 | Manchester |
| 11 | 48.95 | Stanislav Donets (RUS) | 19 December 2010 | Dubai |
| 11 | 48.95 | Guilherme Guido (BRA) | 3 September 2021 | Naples |
| 13 | 48.97 | Arkady Vyatchanin (RUS) | 13 December 2009 | Istanbul |
| 14 | 49.03 | Mitch Larkin (AUS) | 28 November 2015 | Sydney |
| 15 | 49.04 | Lorenzo Mora (ITA) | 14 December 2022 | Melbourne |
| 16 | 49.05 | Aschwin Wildeboer (ESP) | 13 December 2009 | Istanbul |
| 17 | 49.10 | Kacper Stokowski (POL) | 15 December 2024 | Budapest |
| 18 | 49.20 | Pavel Samusenko (RUS) | 11 December 2024 | Budapest |
| 19 | 49.23 | Radosław Kawęcki (POL) | 12 December 2015 | Lublin |
| 20 | 49.25 | Mark Nikolaev (RUS) | 12 November 2021 | Eindhoven |
| 21 | 49.29 | Peter Marshall (USA) | 10 November 2009 | Stockholm |
| 22 | 49.31 | Robert Glință (ROM) | 5 November 2021 | Kazan |
| 23 | 49.35 | Pieter Coetze (RSA) | 20 October 2024 | Shanghai |
| 24 | 49.39 | Blake Tierney (CAN) | 11 December 2024 | Budapest |
| 25 | 49.46 | Isaac Cooper (AUS) | 18 December 2022 | Melbourne |

#### Notes

Below is a list of other times equal or superior to 49.46:
* Kliment Kolesnikov also swam 48.63 (2020), 48.71 (2020), 48.82 (2020, 2022), 48.90 (2017), 48.99 (2017), 49.00 (2022), 49.07 (2024), 49.09 (2019), 49.12 (2023), 49.13 (2021), 49.15 (2021), 49.16 (2020), 49.21 (2020), 49.22 (2023), 49.25 (2017), 49.26 (2021), 49.29 (2024), 49.38 (2020), 49.42 (2020), 49.46 (2021).
* Coleman Stewart also swam 48.91 (2021), 49.13 (2021), 49.31 (2021), 49.38 (2021).
* Shaine Casas also swam 48.92 (2024), 49.23 (2021), 49.40 (2022).
* Evgeny Rylov also swam 48.94 (2021), 48.98 (2021), 49.09 (2020), 49.42 (2021).
* Ryan Murphy also swam 48.96 (2022), 49.17 (2022), 49.23 (2018), 49.29 (2020), 49.34 (2022), 49.36 (2020), 49.44 (2021).
* Stanislav Donets also swam 48.97 (2009), 49.07 (2010), 49.20 (2009), 49.32 (2008), 49.35 (2010), 49.38 (2010).
* Xu Jiayu also swam 48.98 (2018), 49.21 (2018), 49.26 (2018).
* Hubert Kos also swam 49.03 (2024), 49.12 (2024).
* Mitch Larkin also swam 49.04 (2015), 49.25 (2014), 49.38 (2018), 49.46 (2018).
* Miron Lifintsev also swam 49.07 (2024), 49.26 (2024), 49.31 (2024), 49.37 (2023), 49.42 (2024), 49.44 (2024).
* Kacper Stokowski also swam 49.16 (2024), 49.20 (2024), 49.22 (2024), 49.33 (2022), 49.34 (2024).
* Arkady Vyatchanin also swam 49.17 (2009).
* Aschwin Wildeboer also swam 49.20 (2009).
* Pavel Samusenko also swam 49.23 (2023).
* Matt Grevers also swam 49.25 (2015, 2015).
* Guilherme Guido also swam 49.29 (2021, 2021), 49.30 (2021), 49.39 (2021), 49.40 (2020), 49.44 (2021), 49.45 (2018, 2021).
* Pieter Coetze also swam 49.36 (2024).
* Lorenzo Mora also swam 49.37 (2022).
* Mark Nikolaev also swam 49.40 (2021), 49.43 (2021).
* Peter Marshall also swam 49.40 (2009).

### Women long course

* Correct as of December 2024
| Pos | Time | Swimmer | Date | Venue |
| 1 | 57.13 | Regan Smith (USA) | 18 June 2024 | Indianapolis |
| 2 | 57.33 | Kaylee McKeown (AUS) | 21 October 2023 | Budapest |
| 2 | 57.33 | Kaylee McKeown (AUS) | 30 July 2024 | Paris |
| 3 | 57.70 | Kylie Masse (CAN) | 19 June 2021 | Toronto |
| 4 | 57.83 | Katharine Berkoff (USA) | 17 June 2024 | Indianapolis |
| 5 | 57.88 | Mollie O'Callaghan (AUS) | 11 June 2024 | Brisbane |
| 6 | 58.00 | Kathleen Baker (USA) | 28 July 2018 | Irvine |
| 7 | 58.08 | Kathleen Dawson (GBR) | 23 May 2021 | Budapest |
| 8 | 58.12 | Gemma Spofforth (GBR) | 28 July 2009 | Rome |
| 9 | 58.18 | Anastasia Fesikova (RUS) | 28 July 2009 | Rome |
| 10 | 58.23 | Emily Seebohm (AUS) | 29 July 2012 | London |
| 11 | 58.29 | Claire Curzan (USA) | 13 February 2024 | Doha |
| 12 | 58.31 | Olivia Smoliga (USA) | 15 May 2021 | Atlanta |
| 13 | 58.33 | Missy Franklin (USA) | 30 July 2012 | London |
| 14 | 58.43 | Rhyan White (USA) | 15 May 2021 | Atlanta |
| 14 | 58.43 | Rhyan White (USA) | 27 July 2021 | Tokyo |
| 14 | 58.43 | Iona Anderson (AUS) | 11 June 2024 | Brisbane |
| 16 | 58.45 | Katinka Hosszú (HUN) | 8 August 2016 | Rio de Janeiro |
| 17 | 58.55 | Taylor Ruck (CAN) | 3 April 2019 | Toronto |
| 17 | 58.55 | Kennedy Noble (USA) | 17 June 2024 | Indianapolis |
| 19 | 58.60 | Minna Atherton (AUS) | 22 July 2019 | Gwangju |
| 20 | 58.63 | Phoebe Bacon (USA) | 6 December 2019 | Atlanta |
| 21 | 58.65 | Kira Toussaint (NED) | 11 April 2021 | Eindhoven |
| 22 | 58.70 | Aya Terakawa (JPN) | 4 August 2013 | Barcelona |
| 23 | 58.72 | Fu Yuanhui (CHN) | 8 April 2017 | Qingdao |
| 24 | 58.73 | Mie Nielsen (DEN) | 19 May 2016 | London |
| 25 | 58.75 | Madison Wilson (AUS) | 4 August 2015 | Kazan |

#### Notes

Below is a list of other times equal or superior to 58.75:
* Regan Smith also swam 57.28 (2024), 57.47 (2024), 57.51 (2024), 57.57 (2019), 57.64 (2021, 2024), 57.65 (2022), 57.66 (2024), 57.68 (2023), 57.71 (2023), 57.74 (2024), 57.76 (2022), 57.78 (2023), 57.83 (2023), 57.86 (2021), 57.90 (2023), 57.92 (2021, 2023), 57.93 (2024), 57.95 (2022), 57.96 (2021), 57.97 (2024), 58.04 (2023), 58.05 (2021, 2021), 58.16 (2023), 58.18 (2020), 58.22 (2022), 58.26 (2020), 58.29 (2022), 58.31 (2022), 58.33 (2023), 58.35 (2021, 2021), 58.40 (2022), 58.45 (2019, 2024), 58.47 (2023, 2023), 58.54 (2023), 58.55 (2019), 58.63 (2023), 58.65 (2022), 58.68 (2019), 58.69 (2021), 58.75 (2024).
* Kaylee McKeown also swam 57.41 (2024), 57.45 (2021), 57.47 (2021), 57.50 (2023), 57.53 (2023), 57.57 (2024), 57.63 (2021, 2023), 57.72 (2024), 57.79 (2023), 57.84 (2023), 57.88 (2021), 57.90 (2023), 57.91 (2023), 57.93 (2020, 2023), 57.95 (2023), 57.99 (2024), 58.01 (2021), 58.11 (2020, 2021), 58.14 (2021), 58.19 (2024), 58.31 (2022), 58.33 (2023), 58.35 (2022), 58.42 (2021), 58.48 (2023, 2024), 58.49 (2022), 58.52 (2020), 58.57 (2021), 58.60 (2021, 2022), 58.66 (2022), 58.69 (2021), 58.73 (2022).
* Kylie Masse also swam 57.72 (2021), 57.90 (2021), 57.94 (2024), 58.09 (2021), 58.10 (2017), 58.13 (2021), 58.16 (2019), 58.17 (2021), 58.18 (2017), 58.19 (2019), 58.21 (2017), 58.27 (2024), 58.29 (2018, 2024, 2024), 58.31 (2017), 58.39 (2022), 58.40 (2022), 58.41 (2022), 58.42 (2017), 58.48 (2021, 2022), 58.50 (2019), 58.54 (2018), 58.57 (2022, 2022), 58.60 (2019), 58.61 (2018), 58.62 (2017), 58.63 (2018, 2018), 58.66 (2016, 2018), 58.70 (2018), 58.73 (2022), 58.74 (2023).
* Katharine Berkoff also swam 57.91 (2024), 57.98 (2024), 57.99 (2024), 58.01 (2023), 58.09 (2024), 58.25 (2023), 58.27 (2024), 58.39 (2023), 58.56 (2023), 58.60 (2023), 58.61 (2022, 2023), 58.62 (2021).
* Mollie O'Callaghan also swam 58.09 (2024), 58.42 (2023, 2023), 58.73 (2024).
* Kathleen Dawson also swam 58.24 (2021), 58.44 (2021), 58.49 (2021), 58.56 (2021), 58.65 (2021), 58.69 (2021), 58.70 (2021).
* Emily Seebohm also swam 58.26 (2015), 58.34 (2015), 58.37 (2015), 58.39 (2012), 58.45 (2021), 58.51 (2015), 58.53 (2017), 58.56 (2015), 58.57 (2012), 58.59 (2015, 2017, 2021, 2021), 58.62 (2017), 58.66 (2018), 58.68 (2012), 58.70 (2015), 58.72 (2015, 2018), 58.73 (2016).
* Claire Curzan also swam 58.35 (2023), 58.39 (2022), 58.59 (2023), 58.67 (2022), 58.73 (2022, 2024).
* Missy Franklin also swam 58.39 (2013), 58.42 (2013), 58.50 (2012), 58.67 (2013).
* Kathleen Baker also swam 58.41 (2018), 58.54 (2017), 58.56 (2020), 58.57 (2017), 58.58 (2017), 58.75 (2016).
* Rhyan White also swam 58.46 (2021), 58.59 (2022), 58.60 (2021).
* Anastasia Fesikova also swam 58.48 (2009).
* Olivia Smoliga also swam 58.50 (2021), 58.72 (2021), 58.73 (2019), 58.75 (2018).
* Iona Anderson also swam 58.53 (2024), 58.63 (2024), 58.67 (2024).
* Kira Toussaint also swam 58.73 (2021), 58.74 (2021).
* Gemma Spofforth also swam 58.74 (2009).
* Mie Nielsen also swam 58.75 (2016).

### Women short course

* Correct as of December 2024
| Pos | Time | Swimmer | Date | Venue |
| 1 | 54.02 | Regan Smith (USA) | 15 December 2024 | Budapest |
| 2 | 54.56 | Kaylee McKeown (AUS) | 26 September 2024 | Adelaide |
| 3 | 54.89 | Minna Atherton (AUS) | 27 October 2019 | Budapest |
| 3 | 54.89 | Gretchen Walsh (USA) | 18 October 2024 | Charlottesville |
| 5 | 54.93 | Katharine Berkoff (USA) | 11 December 2024 | Budapest |
| 6 | 55.03 | Katinka Hosszú (HUN) | 4 December 2014 | Doha |
| 7 | 55.04 | Olivia Smoliga (USA) | 22 November 2020 | Budapest |
| 8 | 55.17 | Kira Toussaint (NED) | 4 December 2019 | Glasgow |
| 9 | 55.20 | Louise Hansson (SWE) | 17 December 2021 | Abu Dhabi |
| 10 | 55.22 | Kylie Masse (CAN) | 17 December 2021 | Abu Dhabi |
| 11 | 55.23 | Shiho Sakai (JPN) | 15 November 2009 | Berlin |
| 12 | 55.31 | Emily Seebohm (AUS) | 4 December 2014 | Doha |
| 13 | 55.36 | Ingrid Wilm (CAN) | 18 December 2022 | Melbourne |
| 14 | 55.48 | Gao Chang (CHN) | 28 February 2010 | Tokyo |
| 15 | 55.54 | Daryna Zevina (UKR) | 4 December 2014 | Doha |
| 16 | 55.62 | Mollie O'Callaghan (AUS) | 14 December 2022 | Melbourne |
| 17 | 55.72 | Beata Nelson (USA) | 1 November 2024 | Singapore |
| 18 | 55.74 | Claire Curzan (USA) | 14 December 2022 | Melbourne |
| 19 | 55.75 | Bella Sims (USA) | 4 November 2022 | Indianapolis |
| 20 | 55.76 | Aya Terakawa (JPN) | 23 February 2013 | Sagamihara |
| 21 | 55.79 | Iona Anderson (AUS) | 26 September 2024 | Adelaide |
| 22 | 55.83 | Maria Kameneva (RUS) | 18 December 2022 | Saint Petersburg |
| 23 | 55.86 | Maaike de Waard (NED) | 6 November 2021 | Kazan |
| 24 | 55.87 | Rhyan White (USA) | 17 December 2021 | Abu Dhabi |
| 25 | 55.89 | Ali DeLoof (USA) | 10 September 2021 | Naples |

#### Notes

Below is a list of other times equal or superior to 55.89:
* Regan Smith also swam 54.27 (2024), 54.41 (2024), 54.55 (2024), 54.89 (2024), 55.05 (2024), 55.86 (2024).
* Minna Atherton also swam 55.09 (2019), 55.12 (2019), 55.29 (2019), 55.35 (2019), 55.43 (2019), 55.45 (2019), 55.55 (2019).
* Kira Toussaint also swam 55.26 (2019), 55.42 (2021), 55.45 (2021), 55.53 (2021), 55.58 (2019), 55.68 (2020), 55.71 (2019), 55.72 (2021), 55.74 (2019), 55.76 (2021), 55.79 (2021), 55.81 (2021, 2021), 55.88 (2023).
* Katharine Berkoff also swam 55.34 (2024), 55.37 (2024), 55.40 (2021).
* Katinka Hosszú also swam 55.34 (2014), 55.38 (2014, 2014), 55.42 (2015), 55.52 (2017), 55.54 (2016), 55.56 (2014), 55.59 (2016), 55.60 (2016), 55.65 (2017), 55.66 (2017), 55.70 (2014), 55.71 (2015), 55.77 (2014), 55.80 (2016).
* Emily Seebohm also swam 55.46 (2015), 55.47 (2014), 55.81 (2018).
* Olivia Smoliga also swam 55.47 (2018), 55.60 (2020), 55.62 (2020), 55.66 (2020), 55.86 (2018).
* Kaylee McKeown also swam 55.49 (2022), 55.68 (2020), 55.74 (2022), 55.81 (2022).
* Ingrid Wilm also swam 55.61 (2021), 55.68 (2021), 55.73 (2021), 55.74 (2022), 55.75 (2024), 55.78 (2021), 55.85 (2024).
* Gao Chang also swam 55.72 (2009).
* Beata Nelson also swam 55.74 (2022), 55.75 (2022).
* Kylie Masse also swam 55.76 (2021), 55.77 (2021), 55.83 (2021).
* Mollie O'Callaghan also swam 55.80 (2022), 55.81 (2022).
* Louise Hansson also swam 55.85 (2021), 55.89 (2022).