# World record progression 100 metres individual medley

This is a listing of the history of the World Record in the swimming event: 100 Individual Medley. The event consists of one 25-meter lap of each stroke (butterfly, backstroke, breaststroke, and freestyle), and as such is only recognized in short course (25m) pools.

## Short course (25m)
### Men

| # | Time | | Name | Nationality | Date | Meet | Location |
| 1 | 54.66 | | Josef Hladky | Germany | 16 Mar 1991 | World Cup | Bonn, Germany |
| 2 | 53.78 | | Jani Sievinen | Finland | 21 Nov 1992 | European Championships | Espoo, Finland |
| 2 | 53.78 | = | Jani Sievinen | Finland | 24 Jan 1996 | World Cup | Sheffield, United Kingdom |
| 3 | 53.10 | | Jani Sievinen | Finland | 30 Jan 1996 | World Cup | Malmö, Sweden |
| 4 | 52.79 | | Neil Walker | United States | 18 Mar 2000 | World Championships | Athens, Greece |
| 5 | 52.63 | sf | Peter Mankoč | Slovenia | 15 Dec 2001 | European Championships | Antwerp, Belgium |
| 6 | 52.58 | | Thomas Rupprath | Germany | 25 Jan 2003 | World Cup | Berlin, Germany |
| 7 | 52.51 | | Roland Schoeman | South Africa | 18 Jan 2005 | World Cup | Stockholm, Sweden |
| 8 | 52.11 | | Ryk Neethling | South Africa | 22 Jan 2005 | World Cup | Berlin, Germany |
| 9 | 52.01 | | Ryk Neethling | South Africa | 26 Jan 2005 | World Cup | Moscow, Russia |
| 10 | 51.52 | | Ryk Neethling | South Africa | 11 Feb 2005 | World Cup | East Meadow, NY, United States |
| 11 | 51.25 | sf | Ryan Lochte | United States | 12 Apr 2008 | World Championships | Manchester, United Kingdom |
| 12 | 51.15 | | Ryan Lochte | United States | 13 Apr 2008 | World Championships | Manchester, United Kingdom |
| 13 | 50.95 | h | Sergey Fesikov | Russia | 14 Nov 2009 | World Cup | Berlin, Germany |
| 14 | 50.76 | sf | Peter Mankoč | Slovenia | 12 Dec 2009 | European Championships | Istanbul, Turkey |
| 15 | 50.71 | sf | Ryan Lochte | United States | 15 Dec 2012 | World Championships | Istanbul, Turkey |
| 16 | 50.66 | | Markus Deibler | Germany | 7 Dec 2014 | World Championships | Doha, Qatar |
| 17 | 50.60 | | Vladimir Morozov | Russia | 26 Aug 2016 | World Cup | Chartres, France |
| 18 | 50.30 | | Vladimir Morozov | Russia | 30 Aug 2016 | World Cup | Berlin, Germany |
| 19.1 | 50.26 | | Vladimir Morozov | Russia | 28 September 2018 | World Cup | Eindhoven, Netherlands |
| 19.2 | 50.26 | = | Vladimir Morozov | Russia | 9 November 2018 | World Cup | Tokyo, Japan |
| 20 | 49.88 | | Caeleb Dressel | United States | 16 November 2020 | International Swimming League | Budapest, Hungary |
| 21 | 49.28 | | Caeleb Dressel | United States | 22 November 2020 | International Swimming League | Budapest, Hungary |

### Women

| # | Time | | Name | Nationality | Date | Meet | Location |
| WBT | 1:02.75 | | Marion Zoller | Germany | 30 March 1991 | World Cup | Sheffield, United Kingdom |
| 1 | 1:01.61 | | Lin Li | China | 29 Feb 1992 | World Cup | Palma de Mallorca, Spain |
| 2 | 1:01.03 | | Louise Karlsson | Sweden | 22 November 1992 | European SC Championships | Espoo, Finland |
| | 1:01.03 | = | Louise Karlsson | Sweden | 26 January 1997 | World Cup | Malmö, Sweden |
| 3 | 1:00.60 | | Hu Xiaowen | China | 26 February 1998 | World Cup | Beijing, China |
| 4 | 1:00.43 | | Martina Moravcová | Slovakia | 12 December 1998 | European SC Championships | Sheffield, United Kingdom |
| 5 | 1:00.41 | | Jenny Thompson | United States | 16 January 1999 | World Cup | Sydney, Australia |
| 6 | 1:00.35 | h | Martina Moravcová | Slovakia | 2 April 1999 | World SC Championships | Hong Kong, China |
| 7 | 59.30 | h | Jenny Thompson | United States | 2 April 1999 | World SC Championships | Hong Kong, China |
| 8 | 58.80 | | Natalie Coughlin | United States | 23 November 2002 | World Cup | East Meadow, NY, United States |
| 9 | 58.54 | | Emily Seebohm | Australia | 10 August 2009 | Australian SC Championships | Hobart, Australia |
| 10 | 58.51 | h | Therese Alshammar | Sweden | 17 October 2009 | World Cup | Durban, South Africa |
| 11 | 58.40 | | Zhao Jing | China | 11 November 2009 | World Cup | Stockholm, Sweden |
| 12 | 57.74 | | Hinkelien Schreuder | Netherlands | 15 November 2009 | World Cup | Berlin, Germany |
| 13 | 57.73 | h | Katinka Hosszú | Hungary | 8 August 2013 | World Cup | Eindhoven, Netherlands |
| 14 | 57.50 | | Katinka Hosszú | Hungary | 8 August 2013 | World Cup | Eindhoven, Netherlands |
| 15 | 57.45 | h | Katinka Hosszú | Hungary | 11 August 2013 | World Cup | Berlin, Germany |
| 16 | 57.25 | h | Katinka Hosszú | Hungary | 28 August 2014 | World Cup | Doha, Qatar |
| 17 | 56.86 | h | Katinka Hosszú | Hungary | 1 September 2014 | World Cup | Dubai, United Arab Emirates |
| 18 | 56.70 | | Katinka Hosszú | Hungary | 5 December 2014 | World SC Championships | Doha, Qatar |
| 19 | 56.67 | | Katinka Hosszú | Hungary | 4 December 2015 | European SC Championships | Netanya, Israel |
| 20 | 56.51 | | Katinka Hosszú | Hungary | 7 August 2017 | World Cup | Berlin, Germany |
| 21 | 55.98 | tt | Gretchen Walsh | United States | 18 October 2024 | Florida vs Virginia Dual Meet | Charlottesville, United States |
| 22 | 55.71 | sf | Gretchen Walsh | United States | 12 December 2024 | World Championships | Budapest, Hungary |
| 23 | 55.11 | | Gretchen Walsh | United States | 13 December 2024 | World Championships | Budapest, Hungary |

## All-time top 25
### Men

* Correct as of December 2024
| Pos | Time | Swimmer | Date | Venue |
| 1 | 49.28 | Caeleb Dressel (USA) | 22 November 2020 | Budapest |
| 2 | 49.92 | Léon Marchand (FRA) | 31 October 2024 | Singapore |
| 3 | 50.26 | Vladimir Morozov (RUS) | 28 September 2018 | Eindhoven |
| 3 | 50.26 | Vladimir Morozov (RUS) | 9 November 2018 | Tokyo |
| 4 | 50.33 | Noè Ponti (SUI) | 12 December 2024 | Budapest |
| 5 | 50.63 | Kliment Kolesnikov (RUS) | 14 December 2018 | Hangzhou |
| 6 | 50.66 | Markus Deibler (GER) | 7 December 2014 | Doha |
| 7 | 50.71 | Ryan Lochte (USA) | 15 December 2012 | Istanbul |
| 8 | 50.76 | Peter Mankoč (SLO) | 12 December 2009 | Istanbul |
| 9 | 50.95 | Sergei Fesikov (RUS) | 14 November 2009 | Berlin |
| 9 | 50.95 | Marco Orsi (ITA) | 7 November 2021 | Kazan |
| 11 | 50.96 | Florent Manaudou (FRA) | 7 December 2013 | Dijon |
| 12 | 50.97 | Thomas Ceccon (ITA) | 16 December 2022 | Melbourne |
| 13 | 51.03 | Shaine Casas (USA) | 29 October 2022 | Toronto |
| 14 | 51.05 | Gerhard Zandberg (RSA) | 14 November 2009 | Berlin |
| 14 | 51.05 | Javier Acevedo (CAN) | 16 December 2022 | Melbourne |
| 16 | 51.10 | Finlay Knox (CAN) | 16 December 2022 | Melbourne |
| 17 | 51.11 | Bernhard Reitshammer (AUT) | 12 December 2024 | Budapest |
| 18 | 51.14 | Marcin Cieślak (POL) | 16 November 2020 | Budapest |
| 18 | 51.14 | Emre Sakçı (TUR) | 23 December 2023 | Istanbul |
| 18 | 51.14 | Duncan Scott (GBR) | 18 October 2024 | Shanghai |
| 21 | 51.15 | George Bovell (TTO) | 7 August 2013 | Eindhoven |
| 22 | 51.16 | Michael Andrew (USA) | 15 November 2018 | Singapore |
| 23 | 51.19 | Kenneth To (AUS) | 20 October 2013 | Qatar |
| 24 | 51.20 | Duje Draganja (CRO) | 13 December 2009 | Istanbul |
| 25 | 51.24 | Wang Shun (CHN) | 18 October 2024 | Shanghai |

#### Notes

Below is a list of other times equal or superior to 51.24:
* Caeleb Dressel also swam 49.88 (2020), 50.48 (2020), 50.68 (2021), 50.74 (2021), 51.01 (2021), 51.11 (2020).
* Vladimir Morozov also swam 50.30 (2016), 50.31 (2018), 50.32 (2018), 50.33 (2016), 50.36 (2017), 50.49 (2017), 50.55 (2016), 50.60 (2016), 50.70 (2016, 2017), 50.81 (2014), 50.84 (2018), 50.97 (2013), 51.03 (2016), 51.04 (2017), 51.05 (2016), 51.06 (2016), 51.13 (2013), 51.20 (2013).
* Noè Ponti also swam 50.39 (2024), 50.43 (2024), 50.66 (2024), 50.94 (2024), 51.00 (2024), 51.06 (2024).
* Léon Marchand also swam 50.65 (2024), 51.00 (2024).
* Ryan Lochte also swam 50.81 (2010), 50.86 (2010), 51.15 (2008), 51.21 (2012), 51.24 (2014).
* Kliment Kolesnikov also swam 50.90 (2018), 51.09 (2021), 51.15 (2019, 2021), 51.18 (2024).
* Sergei Fesikov also swam 50.96 (2009), 51.22 (2017).
* Marco Orsi also swam 51.03 (2018).
* Shaine Casas also swam 51.04 (2022).
* Thomas Ceccon also swam 51.15 (2024).
* Marcin Cieślak also swam 51.17 (2020).
* George Bovell also swam 51.20 (2012).
* Kenneth To also swam 51.21 (2013).
* Michael Andrew also swam 51.22 (2022).

### Women

* Correct as of December 2024
| Pos | Time | Swimmer | Date | Venue |
| 1 | 55.11 | Gretchen Walsh (USA) | 13 December 2024 | Budapest |
| 2 | 56.49 | Kate Douglass (USA) | 13 December 2024 | Budapest |
| 3 | 56.51 | Katinka Hosszú (HUN) | 7 August 2017 | Berlin |
| 4 | 56.67 | Béryl Gastaldello (FRA) | 13 December 2024 | Budapest |
| 5 | 57.04 | Mary-Sophie Harvey (CAN) | 13 December 2024 | Budapest |
| 6 | 57.10 | Sarah Sjöström (SWE) | 2 August 2017 | Moscow |
| 7 | 57.44 | Yu Yiting (CHN) | 31 October 2024 | Singapore |
| 8 | 57.47 | Charlotte Bonnet (FRA) | 7 December 2023 | Otopeni |
| 9 | 57.53 | Alicia Coutts (AUS) | 10 November 2013 | Tokyo |
| 9 | 57.53 | Marrit Steenbergen (NED) | 16 December 2022 | Melbourne |
| 9 | 57.53 | Beata Nelson (USA) | 31 October 2024 | Singapore |
| 12 | 57.59 | Siobhan-Marie O'Connor (GBR) | 3 December 2015 | Netanya |
| 12 | 57.59 | Maria Kameneva (RUS) | 6 December 2019 | Glasgow |
| 12 | 57.59 | Anastasiya Shkurdai (BLR) | 22 November 2020 | Budapest |
| 15 | 57.68 | Rūta Meilutytė (LTU) | 14 December 2013 | Herning |
| 15 | 57.68 | Louise Hansson (SWE) | 16 December 2022 | Melbourne |
| 17 | 57.69 | Rebecca Meder (RSA) | 12 December 2024 | Budapest |
| 17 | 57.69 | Tessa Giele (NED) | 13 December 2024 | Budapest |
| 19 | 57.74 | Hinkelien Schreuder (NED) | 15 November 2009 | Berlin |
| 20 | 57.75 | Rikako Ikee (JPN) | 15 November 2017 | Tokyo |
| 21 | 57.76 | Kaylee McKeown (AUS) | 18 October 2024 | Shanghai |
| 22 | 57.77 | Runa Imai (JPN) | 14 December 2018 | Hangzhou |
| 23 | 57.80 | Kayla Sanchez (CAN) | 21 December 2018 | Lausanne |
| 23 | 57.80 | Anastasia Gorbenko (ISR) | 19 December 2021 | Abu Dhabi |
| 25 | 57.82 | Alicja Tchórz (POL) | 4 November 2021 | Kazan |

#### Notes

Below is a list of other times equal or superior to 57.82:
* Gretchen Walsh also swam 55.71 (2024), 55.98 (2024), 56.06 (2024).
* Kate Douglass also swam 56.57 (2024), 56.88 (2024), 56.97 (2024), 56.98 (2024), 56.99 (2024), 57.69 (2024), 57.72 (2024).
* Katinka Hosszú also swam 56.67 (2015), 56.70 (2014), 56.75 (2017), 56.86 (2014), 56.97 (2017, 2017), 56.99 (2014, 2017), 57.02 (2017), 57.05 (2018), 57.06 (2018), 57.09 (2017), 57.12 (2016), 57.18 (2018), 57.24 (2016), 57.25 (2014, 2018), 57.26 (2017, 2018), 57.34 (2014), 57.36 (2017, 2019), 57.38 (2017), 57.44 (2018), 57.45 (2013), 57.47 (2016), 57.49 (2015), 57.50 (2013, 2017), 57.52 (2015), 57.53 (2013, 2016), 57.56 (2018), 57.63 (2013, 2016), 57.64 (2017, 2018), 57.69 (2018), 57.73 (2013, 2018), 57.74 (2013, 2014), 57.75 (2014), 57.76 (2016), 57.78 (2017), 57.82 (2016).
* Mary-Sophie Harvey also swam 57.19 (2024), 57.82 (2024).
* Sarah Sjöström also swam 57.28 (2018), 57.30 (2017), 57.46 (2021), 57.49 (2018), 57.60 (2017), 57.71 (2018), 57.74 (2020), 57.75 (2018), 57.78 (2017).
* Béryl Gastaldello also swam 57.30 (2020), 57.43 (2020), 57.49 (2023), 57.63 (2022), 57.67 (2023), 57.73 (2024), 57.76 (2022), 57.82 (2022).
* Yu Yiting also swam 57.51 (2024).
* Siobhan-Marie O'Connor also swam 57.65 (2015), 57.66 (2014).
* Marrit Steenbergen also swam 57.65 (2022).
* Tessa Giele also swam 57.70 (2024).
* Alicia Coutts also swam 57.71 (2013).
* Beata Nelson also swam 57.72 (2021), 57.81 (2022), 57.82 (2022).