# World record progression 1500 metres freestyle

The first world record in the men's 1500 metres freestyle in a long course (50 metres) swimming pool was recognised by the International Swimming Federation (FINA) in 1908. In short course (25 metres) pools, the world's governing body recognizes world records since March 3, 1991.

## Men
### Long course

| # | Time | Name | Nationality | Date | Meet | Location |
| 1 | 22:48.4 | Henry Taylor | Great Britain | Jul 25, 1908 | 1908 Olympic Games | London, United Kingdom |
| 2 | 22:00.0 | George Hodgson | Canada | Jul 10, 1912 | 1912 Olympic Games | Stockholm, Sweden |
| 3 | 21:35.3 | Arne Borg | Sweden | Jul 8, 1923 | - | Gothenburg, Sweden |
| 4 | 21:15.0 | Arne Borg | Sweden | Jan 30, 1924 | - | Sydney, Australia |
| 5 | 21:11.4 | Arne Borg | Sweden | Jul 13, 1924 | - | Paris, France |
| 6 | 20:06.6 | Boy Charlton | Australia | Jul 15, 1924 | 1924 Olympic Games | Paris, France |
| 7 | 20:04.4 | Arne Borg | Sweden | Aug 18, 1926 | - | Budapest, Hungary |
| 8 | 19:07.2 | Arne Borg | Sweden | Sep 2, 1927 | 1927 European Aquatics Championships | Bologna, Italy |
| 9 | 18:58.8 | Tomikatsu Amano | Japan | Aug 10, 1938 | - | Tokyo, Japan |
| 10 | 18:35.7 | Shiro Hashizume | Japan | Aug 16, 1949 | - | Los Angeles, United States |
| 11 | 18:19.0 | Hironoshin Furuhashi | Japan | Aug 16, 1949 | - | Los Angeles, United States |
| 12 | 18:05.9 | George Breen | United States | May 3, 1956 | - | New Haven, United States |
| 13 | 17:59.5 | Murray Rose | Australia | Oct 30, 1956 | - | Melbourne, Australia |
| 14 | 17:52.9 | George Breen | United States | Dec 5, 1956 | - | Melbourne, Australia |
| 15 | 17:28.7 | John Konrads | Australia | Feb 22, 1958 | - | Melbourne, Australia |
| 16 | 17:11.0 | John Konrads | Australia | Feb 27, 1960 | - | Sydney, Australia |
| 17 | 17:05.5 | Roy Saari | United States | Aug 17, 1963 | - | Tokyo, Japan |
| 18 | 17:01.8 | Murray Rose | Australia | Aug 2, 1964 | - | Los Altos, United States |
| 19 | 16:58.7 | Roy Saari | United States | Sep 2, 1964 | - | New York City, United States |
| 20 | 16:58.6 | Stephen Krause | United States | Aug 15, 1965 | - | Maumee, United States |
| 21 | 16:41.6 | Michael Burton | United States | Aug 21, 1966 | - | Lincoln, United States |
| 22 | 16:34.1 | Michael Burton | United States | Aug 13, 1967 | AAU Nationals | Oak Park, United States |
| 23 | 16:28.1 | Guillermo Echevarria | Mexico | Jul 7, 1968 | Santa Clara Invitational | Santa Clara, United States |
| 24 | 16:08.57 | Michael Burton | United States | Sep 3, 1968 | USA Olympic Trials | Long Beach, United States |
| 25 | 16:04.5 | Michael Burton | United States | Aug 17, 1969 | AAU Nationals | Louisville, United States |
| 26 | 15:57.10 | John Kinsella | United States | Aug 23, 1970 | AAU Nationals | Los Angeles, United States |
| 27 | 15:52.91 | Rick DeMont | United States | Aug 6, 1972 | USA Olympic Trials | Chicago, United States |
| 28 | 15:52.58 | Michael Burton | United States | Sep 4, 1972 | 1972 Olympic Games | Munich, West Germany |
| 29 | 15:51.02 | Rick DeMont | United States | Aug 25, 1973 | AAU Nationals | Louisville, United States |
| 30 | 15:37.80 | Stephen Holland | Australia | Sep 5, 1973 | Pre World Championship meet | Brisbane, Australia |
| 31 | 15:31.85 | Stephen Holland | Australia | Sep 8, 1973 | 1973 World Aquatics Championships | Belgrade, Socialist Federal Republic of Yugoslavia |
| 32 | 15:31.75 | Tim Shaw | United States | Aug 25, 1974 | AAU Nationals | Concord, United States |
| 33 | 15:27.79 | Stephen Holland | Australia | Jan 25, 1975 | New Zealand Games | Christchurch, New Zealand |
| 34 | 15:20.91 | Tim Shaw | United States | Jun 21, 1975 | USA World Championship Trials | Long Beach, United States |
| 35 | 15:10.89 | Stephen Holland | Australia | Feb 27, 1976 | AUS Olympic Trials | Sydney, Australia |
| 36 | 15:06.66 | Brian Goodell | United States | Jun 21, 1976 | USA Olympic Trials | Long Beach, United States |
| 37 | 15:02.40 | Brian Goodell | United States | Jul 20, 1976 | 1976 Olympic Games | Montreal, Canada |
| 38 | 14:58.27 | Vladimir Salnikov | Soviet Union | Jul 22, 1980 | 1980 Olympic Games | Moscow, Soviet Union |
| 39 | 14:56.35 | Vladimir Salnikov | Soviet Union | Mar 13, 1982 | URSvGDR Duel | Moscow, Soviet Union |
| 40 | 14:54.76 | Vladimir Salnikov | Soviet Union | Feb 22, 1983 | URS Winter Nationals | Moscow, Soviet Union |
| - | 14:53.59 | Glen Housman | Australia | Dec 13, 1989 | Australian Commonwealth Games Trials | Adelaide, Australia |
| 41 | 14:50.36 | Jörg Hoffmann | Germany | Jan 13, 1991 | 1991 World Aquatics Championships | Perth, Australia |
| 42 | 14:48.40 | Kieren Perkins | Australia | Apr 5, 1992 | AUS Olympic Trials | Canberra, Australia |
| 43 | 14:43.48 | Kieren Perkins | Australia | Jul 31, 1992 | 1992 Olympic Games | Barcelona, Spain |
| 44 | 14:41.66 | Kieren Perkins | Australia | Aug 24, 1994 | 1994 Commonwealth Games | Victoria, Canada |
| 45 | 14:34.56 | Grant Hackett | Australia | Jul 29, 2001 | 2001 World Aquatics Championships | Fukuoka, Japan |
| 46 | 14:34.14 | Sun Yang | China | Jul 31, 2011 | 2011 World Aquatic Championships | Shanghai, China |
| 47 | 14:31.02 | Sun Yang | China | Aug 4, 2012 | 2012 Olympic Games | London, United Kingdom |
| 48 | 14:30.67 | Bobby Finke | United States | Aug 4, 2024 | 2024 Olympic Games | Paris, France |

### Short course

| # | Time | Name | Nationality | Date | Meet | Location |
| 1 | 14:32.40 | Kieren Perkins | Australia | Feb 2, 1992 | Grand Prix | Canberra, Australia |
| 2 | 14:26.52 | Kieren Perkins | Australia | Jul 14, 1993 | - | Auckland, New Zealand |
| 3 | 14:19.55 | Grant Hackett | Australia | Sep 27, 1998 | Australian SC Championships | Perth, Australia |
| 4 | 14:10.10 | Grant Hackett | Australia | Aug 7, 2001 | Australian SC Championships | Perth, Australia |
| 5 | 14:08.06 | Gregorio Paltrinieri | Italy | Dec 4, 2015 | European SC Championships | Netanya, Israel |
| 6 | 14:06.88 | Florian Wellbrock | Germany | 21 December 2021 | World Championships | Abu Dhabi, United Arab Emirates |

## Women
### Long course

| # | Time | | Name | Nationality | Date | Meet | Location |
| 1 | 25:06.6 | | Helen Wainwright | United States | Aug 19, 1922 | - | New York City, United States |
| 2 | 24:07.6 | | Ethel McGary | United States | Dec 31, 1925 | - | Coral Gables, United States |
| 3 | 24:00.2 | | Edith Mayne | Great Britain | Sep 15, 1926 | - | Exmouth, United Kingdom |
| 4 | 23:44.6 | | Martha Norelius | United States | Jul 28, 1927 | - | Massapequa, United States |
| 5 | 23:17.2 | | Helene Madison | United States | Jul 15, 1931 | - | New York City, United States |
| 6 | 22:36.7 | | Grete Frederiksen | Denmark | Jun 26, 1936 | - | Copenhagen, Denmark |
| 7 | 21:45.7 | | Ragnhild Hveger | Denmark | Jul 3, 1938 | - | Helsinki, Finland |
| 8 | 21:10.1 | | Ragnhild Hveger | Denmark | Aug 11, 1940 | - | Helsinki, Finland |
| 9 | 20:57.0 | | Ragnhild Hveger | Denmark | Aug 20, 1941 | - | Copenhagen, Denmark |
| 10 | 20:46.5 | | Lenie de Nijs | Netherlands | Jul 23, 1955 | - | Utrecht, Netherlands |
| 11 | 20:22.8 | | Jans Koster | Netherlands | Aug 21, 1956 | - | Utrecht, Netherlands |
| 12 | 20:03.1 | | Jans Koster | Netherlands | Jul 27, 1957 | - | Hilversum, Netherlands |
| 13 | 19:25.7 | | Ilsa Konrads | Australia | Jan 13, 1960 | - | Sydney, Australia |
| 14 | 19:23.6 | | Jane Cederqvist | Sweden | Sep 8, 1960 | - | Uppsala, Sweden |
| 15 | 19:02.8 | | Margareta Rylander | Sweden | Jun 27, 1961 | - | Uppsala, Sweden |
| 16 | 18:44.0 | | Carolyn House | United States | Aug 16, 1962 | - | Chicago, United States |
| 17 | 18:30.5 | | Patty Caretto | United States | Jul 30, 1964 | - | Los Altos, United States |
| 18 | 18:23.7 | | Patty Caretto | United States | Aug 12, 1965 | - | Los Altos, United States |
| 19 | 18:12.9 | | Patty Caretto | United States | Aug 21, 1966 | - | Lincoln, United States |
| 20 | 18:11.1 | | Debbie Meyer | United States | Jul 9, 1967 | Santa Clara Invitational | Santa Clara, United States |
| 21 | 17:50.2 | | Debbie Meyer | United States | Aug 20, 1967 | AAU Nationals | Philadelphia, United States |
| 22 | 17:31.2 | | Debbie Meyer | United States | Aug 21, 1968 | - | Los Angeles, United States |
| 23 | 17:19.9 | | Debbie Meyer | United States | Aug 17, 1969 | AAU Nationals | Louisville, United States |
| 24 | 17:19.20 | | Cathy Calhoun | United States | Aug 28, 1971 | AAU Nationals | Houston, United States |
| 25 | 17:00.6 | | Shane Gould | Australia | Dec 12, 1971 | - | Sydney, Australia |
| 26 | 16:56.9 | | Shane Gould | Australia | Feb 11, 1973 | AUS Nationals | Adelaide, Australia |
| 27 | 16:54.14 | | Jo Harshbarger | United States | Aug 25, 1973 | USA World Championship Trials | Louisville, United States |
| 28 | 16:49.9 | | Jennifer Turrall | Australia | Dec 9, 1973 | Top-level meet | Sydney, Australia |
| 29 | 16:48.2 | | Jennifer Turrall | Australia | Jan 9, 1974 | NSW State Championships | Sydney, Australia |
| 30 | 16:43.4 | | Jennifer Turrall | Australia | Jul 13, 1974 | - | Sydney, Australia |
| 31 | 16:39.28 | | Jennifer Turrall | Australia | Aug 3, 1974 | Los Angeles Invitational | Los Angeles, United States |
| 32 | 16:33.94 | | Jennifer Turrall | Australia | Aug 25, 1974 | AAU Nationals | Concord, United States |
| 33 | 16:24.60 | | Alice Browne | United States | Aug 21, 1977 | AAU Nationals | Mission Viejo, United States |
| 34 | 16:14.93 | | Tracey Wickham | Australia | Feb 8, 1978 | Invitational | Brisbane, Australia |
| 35 | 16:06.63 | | Tracey Wickham | Australia | Feb 25, 1979 | AUS Nationals | Perth, Australia |
| 36 | 16:04.49 | | Kim Linehan | United States | Aug 19, 1979 | AAU Nationals | Fort Lauderdale, United States |
| 37 | 16:00.73 | | Janet Evans | United States | Jul 31, 1987 | USA Nationals & Pan Pacific Trials | Orlando, United States |
| 38 | 15:52.10 | | Janet Evans | United States | Mar 26, 1988 | USA Spring Nationals | Orlando, United States |
| 39 | 15:42.54 | | Kate Ziegler | United States | Jun 17, 2007 | TYR Meet of Champions | Mission Viejo, United States |
| 40 | 15:36.53 | | Katie Ledecky | United States | Jul 30, 2013 | World Championships | Barcelona, Spain |
| 41 | 15:34.23 | | Katie Ledecky | United States | Jun 19, 2014 | Woodlands Senior Invitational Meet | Shenandoah, United States |
| 42 | 15:28.36 | | Katie Ledecky | United States | Aug 24, 2014 | Pan Pacific Championships | Gold Coast, Australia |
| 43 | 15:27.71 | h | Katie Ledecky | United States | Aug 3, 2015 | World Championships | Kazan, Russia |
| 44 | 15:25.48 | | Katie Ledecky | United States | Aug 4, 2015 | World Championships | Kazan, Russia |
| 45 | 15:20.48 | | Katie Ledecky | United States | May 16, 2018 | TYR Pro Swim Series | Indianapolis, United States |

### Short course

| # | Time | Name | Nationality | Date | Meet | Location |
| 1 | 15:43.31 | Petra Schneider | East Germany | Jan 10, 1982 | - | Gainesville, United States |
| 2 | 15:42.39 | Laure Manaudou | France | Nov 20, 2004 | Regional meet | La Roche-sur-Yon, France |
| 3 | 15:32.90 | Kate Ziegler | United States | Oct 12, 2007 | Alex Athletics Jubiläums Challenge | Essen, Germany |
| 4 | 15:28.65 | Lotte Friis | Denmark | Nov 29, 2009 | Local Club Meet | Copenhagen, Denmark |
| 5 | 15:26.95 | Mireia Belmonte | Spain | Nov 29, 2013 | Spanish Championships | Castelló de la Plana, Spain |
| 6 | 15:22.68 | Lauren Boyle | New Zealand | Aug 9, 2014 | Wellington Winter Championships | Wellington, New Zealand |
| 7 | 15:19.71 | Mireia Belmonte | Spain | Dec 12, 2014 | Spanish Championships | Sabadell, Spain |
| 8 | 15:18.01 | Sarah Köhler | Germany | Nov 16, 2019 | German Championships | Berlin, Germany |
| 9 | 15:08.24 | Katie Ledecky | United States | Oct 29, 2022 | FINA World Cup | Toronto, Canada |

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

* Correct as of August 2024
| Pos | Time | Swimmer | Date | Venue |
| 1 | 14:30.67 | Bobby Finke (USA) | 4 August 2024 | Paris |
| 2 | 14:31.02 | Sun Yang (CHN) | 4 August 2012 | London |
| 3 | 14:31.54 | Ahmed Hafnaoui (TUN) | 30 July 2023 | Fukuoka |
| 4 | 14:32.80 | Gregorio Paltrinieri (ITA) | 25 June 2022 | Budapest |
| 5 | 14:34.07 | Daniel Wiffen (IRL) | 18 February 2024 | Doha |
| 6 | 14:34.56 | Grant Hackett (AUS) | 29 July 2001 | Fukuoka |
| 7 | 14:34.89 | Florian Wellbrock (GER) | 21 April 2023 | Berlin |
| 8 | 14:36.10 | Mykhailo Romanchuk (UKR) | 16 August 2022 | Rome |
| 9 | 14:37.28 | Oussama Mellouli (TUN) | 2 August 2009 | Rome |
| 9 | 14:37.28 | Samuel Short (AUS) | 30 July 2023 | Fukuoka |
| 11 | 14:39.48 | Connor Jaeger (USA) | 13 August 2016 | Rio de Janeiro |
| 12 | 14:39.54 | Mack Horton (AUS) | 13 April 2016 | Adelaide |
| 13 | 14:39.63 | Ryan Cochrane (CAN) | 4 August 2012 | London |
| 14 | 14:40.28 | Lukas Märtens (GER) | 25 March 2022 | Magdeburg |
| 15 | 14:40.86 | Gabriele Detti (ITA) | 13 August 2016 | Rio de Janeiro |
| 16 | 14:40.91 | Dávid Betlehem (HUN) | 4 August 2024 | Paris |
| 17 | 14:41.13 | Yuriy Prilukov (RUS) | 15 August 2008 | Beijing |
| 18 | 14:41.22 | Kuzey Tunçelli (TUR) | 4 August 2024 | Paris |
| 19 | 14:41.66 | Kieren Perkins (AUS) | 24 August 1994 | Victoria |
| 20 | 14:43.35 | Ahmed Jaouadi (TUN) | 4 August 2024 | Paris |
| 21 | 14:43.53 | Sven Schwarz (GER) | 11 August 2023 | Dublin |
| 22 | 14:44.66 | David Aubry (FRA) | 4 August 2024 | Paris |
| 23 | 14:45.03 | Jordan Wilimovsky (USA) | 13 August 2016 | Rio de Janeiro |
| 24 | 14:45.29 | Larsen Jensen (USA) | 21 August 2004 | Athens |
| 25 | 14:45.35 | Henrik Christiansen (NOR) | 28 July 2019 | Gwangju |

#### Notes

Below is a list of other times equal or superior to 14:45.35:
* Bobby Finke also swam 14:31.59 (2023), 14:36.70 (2022), 14:39.65 (2021), 14:40.28 (2024), 14:42.81 (2023), 14:43.06 (2023), 14:45.31 (2024).
* Gregorio Paltrinieri also swam 14:33.10 (2020), 14:34.04 (2016), 14:34.55 (2024), 14:34.57 (2016), 14:35.85 (2017), 14:37.08 (2017), 14:38.34 (2019), 14:38.75 (2019), 14:39.67 (2015), 14:39.79 (2022), 14:39.93 (2014), 14:40.38 (2021), 14:40.61 (2016), 14:41.38 (2023), 14:42.56 (2024), 14:42.66 (2019), 14:42.85 (2018), 14:42.91 (2016, 2021), 14:43.87 (2015), 14:44.31 (2017), 14:44.39 (2022), 14:44.50 (2014), 14:44.51 (2016), 14:45.01 (2021), 14:45.02 (2020).
* Sun Yang also swam 14:34.14 (2011), 14:35.43 (2010), 14:41.15 (2013), 14:42.30 (2012), 14:42.52 (2011), 14:43.25 (2012), 14:44.10 (2012).
* Daniel Wiffen also swam 14:34.91 (2023), 14:35.79 (2023), 14:39.63 (2024), 14:40.34 (2024), 14:43.01 (2023), 14:43.50 (2023).
* Florian Wellbrock also swam 14:36.15 (2018), 14:36.45 (2021), 14:36.54 (2019), 14:36.94 (2022), 14:40.18 (2023), 14:40.69 (2018), 14:40.91 (2021), 14:42.28 (2024), 14:42.91 (2019), 14:44.61 (2024), 14:44.80 (2019).
* Mykhailo Romanchuk also swam 14:36.88 (2018), 14:37.14 (2017), 14:37.63 (2019), 14:39.89 (2021), 14:40.21 (2023), 14:40.66 (2021), 14:40.98 (2022), 14:41.39 (2023), 14:41.63 (2020), 14:44.11 (2017).
* Oussama Mellouli also swam 14:38.01 (2009), 14:40.31 (2012), 14:40.84 (2008).
* Grant Hackett also swam 14:38.92 (2008), 14:41.53 (2008), 14:41.65 (2002), 14:42.58 (2005), 14:43.14 (2003), 14:43.40 (2004), 14:44.94 (2005).
* Ryan Cochrane also swam 14:40.84 (2008), 14:41.38 (2009), 14:42.48 (2013), 14:42.69 (2008), 14:44.03 (2014), 14:44.46 (2011).
* Lukas Martens also swam 14:40.85 (2023), 14:40.89 (2022), 14:44.51 (2023).
* Connor Jaeger also swam 14:41.20 (2015).
* Kuzey Tunçelli also swam 14:41.89 (2024), 14:45.27 (2024).
* Yuriy Prilukov also swam 14:43.21 (2008).
* Kieren Perkins also swam 14:43.48 (1992).
* Mack Horton also swam 14:44.09 (2015).
* Ahmed Jaouadi 14:44.20 (2024).
* David Aubry also swam 14:44.85 (2024), 14:44.90 (2024).

### Men short course

* Correct as of December 2024
| Pos | Time | Swimmer | Date | Venue |
| 1 | 14:06.88 | Florian Wellbrock (GER) | 21 December 2021 | Abu Dhabi |
| 2 | 14:08.06 | Gregorio Paltrinieri (ITA) | 4 December 2015 | Netanya |
| 3 | 14:09.11 | Daniel Wiffen (IRL) | 7 December 2023 | Otopeni |
| 4 | 14:09.14 | Mykhailo Romanchuk (UKR) | 16 December 2018 | Huangzhou |
| 5 | 14:10.10 | Grant Hackett (AUS) | 7 August 2001 | Australia |
| 6 | 14:10.94 | Ahmed Hafnaoui (TUN) | 21 December 2021 | Abu Dhabi |
| 7 | 14:15.51 | Park Tae-hwan (KOR) | 11 December 2016 | Windsor |
| 8 | 14:16.13 | Yuriy Prilukov (RUS) | 9 December 2006 | Finland |
| 9 | 14:16.40 | Ahmed Jaouadi (TUN) | 10 December 2024 | Budapest |
| 10 | 14:18.00 | Gabriele Detti (ITA) | 4 December 2015 | Netanya |
| 11 | 14:18.15 | Henrik Christiansen (NOR) | 6 December 2019 | Great Britain |
| 12 | 14:18.79 | Oussama Mellouli (TUN) | 7 December 2014 | Doha |
| 13 | 14:19.29 | Connor Jaeger (USA) | 12 December 2015 | United States |
| 14 | 14:19.62 | Damien Joly (FRA) | 13 December 2022 | Melbourne |
| 15 | 14:20.44 | Jan Wolfgarten (GER) | 12 December 2009 | Istanbul |
| 16 | 14:20.64 | Kuzey Tunçelli (TUR) | 10 December 2024 | Budapest |
| 17 | 14:21.78 | David Aubry (FRA) | 7 December 2023 | Otopeni |
| 18 | 14:22.29 | Sven Schwarz (GER) | 10 December 2024 | Budapest |
| 19 | 14:22.47 | Zhang Lin (CHN) | 21 February 2009 | Tokyo |
| 20 | 14:22.77 | David Johnston (USA) | 27 August 2022 | Sydney |
| 21 | 14:23.27 | David Betlehem (HUN) | 1 November 2023 | Debrecen |
| 22 | 14:23.31 | Zalan Sarkany (HUN) | 1 November 2023 | Debrecen |
| 23 | 14:23.35 | Ryan Cochrane (CAN) | 7 December 2014 | Doha |
| 24 | 14:24.00 | Timothy Shuttleworth (GBR) | 17 December 2016 | Sheffield |
| 25 | 14:24.17 | Aleksandr Stepanov (RUS) | 25 November 2023 | Saint Petersburg |

#### Notes

Below is a list of other times equal or superior to 14:24.17:
* Gregorio Paltrinieri also swam 14:09.87 (2018), 14:13.07 (2021), 14:16.10 (2014), 14:16.88 (2022), 14:17.14 (2019), 14:18.10 (2019), 14:20.24 (2015), 14:21.00 (2021), 14:21.50 (2015), 14:21.94 (2016), 14:22.93 (2017).
* Florian Wellbrock also swam 14:09.88 (2021), 14:17.27 (2024).
* Mykhailo Romanchuk also swam 14:11.47 (2021), 14:14.59 (2017), 14:15.49 (2016), 14:18.53 (2016), 14:21.50 (2018), 14:21.58 (2019), 14:22.18 (2023).
* Daniel Wiffen also swam 14:14.45 (2022).
* Gabriele Detti also swam 14:18.33 (2017).
* Henrik Christiansen also swam 14:19.39 (2018), 14:21.53 (2017), 14:23.00 (2023), 14:23.60 (2015), 14:24.08 (2022).
* Grant Hackett also swam 14:19.55 (1998).
* David Aubry also swam 14:21.78 (2023), 14:23.44 (2018).
* Damien Joly also swam 14:22.12 (2024), 14:24.00 (2018).
* Yuriy Prilukov also swam 14:22.98 (2008), 14:23.92 (2006).
* Oussama Mellouli also swam 14:24.16 (2010).

### Women long course

* Correct as of December 2024
| Pos | Time | Swimmer | Date | Venue |
| 1 | 15:20.48 | Katie Ledecky (USA) | 16 May 2018 | Indianapolis |
| 2 | 15:38.88 | Lotte Friis (DEN) | 30 July 2013 | Barcelona |
| 3 | 15:40.14 | Lauren Boyle (NZL) | 4 August 2015 | Kazan |
| 4 | 15:40.35 | Anastasiia Kirpichnikova (FRA) | 31 July 2024 | Paris |
| 5 | 15:40.89 | Simona Quadarella (ITA) | 23 July 2019 | Gwangju |
| 6 | 15:41.16 | Isabel Gose (GER) | 31 July 2024 | Paris |
| 7 | 15:41.41 | Erica Sullivan (USA) | 28 July 2021 | Tokyo |
| 8 | 15:41.49 | Wang Jianjiahe (CHN) | 26 July 2021 | Tokyo |
| 9 | 15:42.54 | Kate Ziegler (USA) | 17 June 2007 | Mission Viejo |
| 10 | 15:42.91 | Sarah Köhler (GER) | 28 July 2021 | Tokyo |
| 11 | 15:44.89 | Katie Grimes (USA) | 20 June 2022 | Budapest |
| 12 | 15:44.93 | Alessia Filippi (ITA) | 28 July 2009 | Rome |
| 13 | 15:45.71 | Li Bingjie (CHN) | 25 July 2023 | Fukuoka |
| 14 | 15:46.13 | Maddy Gough (AUS) | 15 June 2021 | Adelaide |
| 15 | 15:47.09 | Boglárka Kapás (HUN) | 4 August 2015 | Kazan |
| 16 | 15:47.26 | Jazmin Carlin (GBR) | 26 June 2013 | Sheffield |
| 17 | 15:48.96 | Lani Pallister (AUS) | 20 June 2022 | Budapest |
| 18 | 15:50.89 | Mireia Belmonte (ESP) | 25 July 2017 | Budapest |
| 19 | 15:51.68 | Delfina Pignatiello (ARG) | 15 June 2019 | Barcelona |
| 20 | 15:52.10 | Janet Evans (USA) | 26 March 1988 | Orlando |
| 21 | 15:52.17 | Jessica Ashwood (AUS) | 4 August 2015 | Kazan |
| 22 | 15:52.37 | Camelia Potec (ROU) | 22 April 2009 | Montpellier |
| 23 | 15:54.19 | Ashley Twichell (USA) | 23 July 2019 | Gwangju |
| 24 | 15:54.30 | Kristel Kobrich (CHI) | 29 July 2013 | Barcelona |
| 25 | 15:54.48 | Ajna Késely (HUN) | 22 July 2019 | Gwangju |

#### Notes

Below is a list of other times equal or superior to 15:54.48:
* Katie Ledecky also swam 15:25.48 (2015), 15:26.27 (2023), 15:27.71 (2015), 15:28.36 (2014), 15:29.51 (2020), 15:29.64 (2023), 15:30.02 (2024), 15:30.15 (2022), 15:31.82 (2017), 15:34.23 (2014), 15:35.35 (2021), 15:35.65 (2017), 15:35.98 (2019), 15:36.53 (2013), 15:36.87 (2025), 15:37.34 (2021), 15:37.35 (2024), 15:37.99 (2023), 15:38.25 (2024), 15:38.81 (2024), 15:38.97 (2018), 15:38.99 (2022), 15:39.45 (2022), 15:39.73 (2024), 15:40.50 (2021), 15:40.55 (2021), 15:40.63 (2022), 15:41.22 (2023), 15:42.23 (2015), 15:42.92 (2021), 15:43.10 (2021), 15:44.13 (2022), 15:45.32 (2021), 15:45.59 (2019), 15:46.38 (2023), 15:47.02 (2022), 15:47.15 (2013), 15:47.43 (2024), 15:47.54 (2017), 15:48.90 (2019), 15:49.26 (2013).
* Simona Quadarella also swam 15:43.31 (2023), 15:46.99 (2024), 15:47.34 (2021), 15:48.27 (2024), 15:48.81 (2021), 15:48.84 (2019), 15:51.19 (2024), 15:51.59 (2019), 15:51.61 (2018), 15:53.24 (2023), 15:53.29 (2023), 15:53.59 (2021), 15:53.86 (2017), 15:53.97 (2021), 15:54.15 (2022).
* Lauren Boyle also swam 15:44.71 (2013).
* Wang Jianjiahe also swam 15:45.59 (2020), 15:46.37 (2021), 15:46.69 (2019), 15:49.07 (2021), 15:49.85 (2019), 15:51.00 (2019), 15:51.33 (2021), 15:53.01 (2018), 15:53.68 (2018).
* Lotte Friis also swam 15:46.30 (2009), 15:49.00 (2015), 15:49.18 (2013), 15:49.59 (2011), 15:54.23 (2015).
* Erica Sullivan also swam 15:46.67 (2021), 15:51.18 (2021).
* Anastasiya Kirpichnikova also swam 15:48.53 (2024), 15:50.22 (2021), 15:52.46 (2024), 15:53.18 (2020).
* Sarah Köhler also swam 15:48.83 (2019), 15:52.20 (2021), 15:52.67 (2021), 15:54.08 (2019).
* Lani Pallister also swam 15:49.17 (2023), 15:49.94 (2023), 15:53.79 (2024).
* Boglárka Kapás also swam 15:50.22 (2016).
* Isabel Gose also swam 15:50.56 (2024), 15:52.02 (2024), 15:53.27 (2024).
* Li Bingjie also swam 15:51.18 (2023), 15:51.21 (2023), 15:52.31 (2021), 15:52.87 (2017), 15:53.80 (2018).
* Katie Grimes also swam 15:51.36 (2022), 15:52.12 (2021).
* Kate Ziegler also swam 15:53.05 (2007).

### Women short course

* Correct as of December 2024
| Pos | Time | Swimmer | Date | Venue |
| 1 | 15:08.24 | Katie Ledecky (USA) | 29 October 2022 | Toronto |
| 2 | 15:18.01 | Sarah Köhler (GER) | 16 November 2019 | Berlin |
| 3 | 15:18.30 | Anastasiia Kirpichnikova (FRA) | 5 November 2021 | Kazan |
| 4 | 15:19.71 | Mireia Belmonte (ESP) | 12 December 2014 | Sabadell |
| 5 | 15:21.43 | Lani Pallister (AUS) | 16 December 2022 | Melbourne |
| 6 | 15:22.68 | Lauren Boyle (NZL) | 9 August 2014 | Wellington |
| 7 | 15:24.69 | Isabel Gose (GER) | 15 December 2024 | Budapest |
| 8 | 15:28.65 | Lotte Friis (DEN) | 28 November 2009 | Birkerød |
| 9 | 15:29.74 | Simona Quadarella (ITA) | 5 March 2021 | Rome |
| 9 | 15:29.74 | Simona Quadarella (ITA) | 24 April 2021 | Pietralata |
| 10 | 15:31.19 | Maddy Gough (AUS) | 26 September 2020 | Brisbane |
| 11 | 15:32.90 | Kate Ziegler (USA) | 14 October 2007 | Essen |
| 12 | 15:34.31 | Kareena Lee (AUS) | 26 November 2020 | Brisbane |
| 13 | 15:36.43 | Martina Caramignoli (ITA) | 5 March 2021 | Rome |
| 14 | 15:37.78 | Erika Villaecija (ESP) | 26 November 2009 | Castellon |
| 15 | 15:38.64 | Phoebe Hines (AUS) | 26 November 2020 | Brisbane |
| 16 | 15:40.05 | Leonie Beck (GER) | 25 October 2019 | Wuppertal |
| 17 | 15:40.52 | Moesha Johnson (AUS) | 26 November 2020 | Brisbane |
| 18 | 15:41.29 | Jillian Cox (USA) | 15 December 2024 | Budapest |
| 19 | 15:41.80 | Li Bingjie (CHN) | 28 October 2022 | Beijing |
| 20 | 15:42.05 | Katie Grimes (USA) | 4 November 2022 | Indianapolis |
| 21 | 15:42.39 | Laure Manaudou (FRA) | 20 November 2004 | La Roche-sur-Yon |
| 22 | 15:43.31 | Petra Schneider (GDR) | 10 January 1982 | Gainesville |
| 23 | 15:43.83 | Jessica Ashwood (AUS) | 25 November 2015 | Sydney |
| 24 | 15:44.44 | Tiana Kritzinger (AUS) | 15 December 2024 | Budapest |
| 25 | 15:44.63 | Ma Yonghui (CHN) | 27 September 2024 | Wuhan |

#### Notes

Below is a list of other times equal or superior to 15:44.63:
* Anastasiia Kirpichnikova also swam 15:20.12 (2023), 15:26.08 (2021), 15:33.42 (2023), 15:35.01 (2022), 15:35.55 (2022), 15:36.42 (2023), 15:41.88 (2019), 15:43.33 (2024).
* Lani Pallister also swam 15:24.63 (2022), 15:28.33 (2020), 15:38.99 (2020).
* Isabel Gose also swam 15:25.50 (2023).
* Mireia Belmonte also swam 15:26.95 (2013).
* Simona Quadarella also swam 15:30.14 (2024), 15:33.40 (2024), 15:34.16 (2021), 15:35.82 (2019), 15:37.05 (2023), 15:41.79 (2022).
* Martina Caramignoli also swam 15:37.33 (2021).
* Maddy Gough also swam 15:37.38 (2020).
* Kareena Lee also swam 15:40.51 (2020).