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 | Ref | |
|---|---|---|---|---|---|---|---|---|
| 1 | 54.66 | Josef Hladky | Germany | 16 March 1991 | World Cup | Bonn, Germany | ||
| 2 | 53.78 | Jani Sievinen | Finland | 21 November 1992 | European Championships | Espoo, Finland | ||
| 2 | 53.78 | = | Jani Sievinen | Finland | 24 January 1996 | World Cup | Sheffield, United Kingdom | |
| 4 | 53.10 | Jani Sievinen | Finland | 30 January 1996 | World Cup | Malmö, Sweden | ||
| 5 | 52.79 | Neil Walker | United States | 18 March 2000 | World Championships | Athens, Greece | ||
| 6 | 52.63 | sf | Peter Mankoč | Slovenia | 15 December 2001 | European Championships | Antwerp, Belgium | |
| 7 | 52.58 | Thomas Rupprath | Germany | 25 January 2003 | World Cup | Berlin, Germany | ||
| 8 | 52.51 | Roland Schoeman | South Africa | 18 January 2005 | World Cup | Stockholm, Sweden | ||
| 9 | 52.11 | Ryk Neethling | South Africa | 22 January 2005 | World Cup | Berlin, Germany | ||
| 10 | 52.01 | Ryk Neethling | South Africa | 26 January 2005 | World Cup | Moscow, Russia | ||
| 11 | 51.52 | Ryk Neethling | South Africa | 11 February 2005 | World Cup | East Meadow, NY, United States | ||
| 12 | 51.25 | sf | Ryan Lochte | United States | 12 April 2008 | World Championships | Manchester, United Kingdom | |
| 13 | 51.15 | Ryan Lochte | United States | 13 April 2008 | World Championships | Manchester, United Kingdom | ||
| 14 | 50.95 | h | Sergey Fesikov | Russia | 14 November 2009 | World Cup | Berlin, Germany | |
| 15 | 50.76 | sf | Peter Mankoč | Slovenia | 12 December 2009 | European Championships | Istanbul, Turkey | |
| 16 | 50.71 | sf | Ryan Lochte | United States | 15 December 2012 | World Championships | Istanbul, Turkey | |
| 17 | 50.66 | Markus Deibler | Germany | 7 December 2014 | World Championships | Doha, Qatar | ||
| 18 | 50.60 | Vladimir Morozov | Russia | 26 August 2016 | World Cup | Chartres, France | ||
| 19 | 50.30 | Vladimir Morozov | Russia | 30 August 2016 | World Cup | Berlin, Germany | ||
| 20 | 50.26 | Vladimir Morozov | Russia | 28 September 2018 | World Cup | Eindhoven, Netherlands | ||
| 20 | 50.26 | = | Vladimir Morozov | Russia | 9 November 2018 | World Cup | Tokyo, Japan | |
| 22 | 49.88 | Caeleb Dressel | United States | 16 November 2020 | International Swimming League | Budapest, Hungary | ||
| 23 | 49.28 | Caeleb Dressel | United States | 22 November 2020 | International Swimming League | Budapest, Hungary |
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat;
Records not set in finals: h – heat;
Women
| # | Time | Name | Nationality | Date | Meet | Location | Ref | |
|---|---|---|---|---|---|---|---|---|
| WB | 1:02.75 | Marion Zoller | Germany | 30 March 1991 | World Cup | Sheffield, United Kingdom | ||
| 1 | 1:01.61 | Lin Li | China | 29 February 1992 | World Cup | Palma de Mallorca, Spain | ||
| 2 | 1:01.03 | Louise Karlsson | Sweden | 22 November 1992 | European Championships | Espoo, Finland | ||
| 2 | 1:01.03 | = | Louise Karlsson | Sweden | 26 January 1997 | World Cup | Malmö, Sweden | |
| 4 | 1:00.60 | Hu Xiaowen | China | 26 February 1998 | World Cup | Beijing, China | ||
| 5 | 1:00.43 | Martina Moravcová | Slovakia | 12 December 1998 | European Championships | Sheffield, United Kingdom | ||
| 6 | 1:00.41 | Jenny Thompson | United States | 16 January 1999 | World Cup | Sydney, Australia | ||
| 7 | 1:00.35 | h | Martina Moravcová | Slovakia | 2 April 1999 | World Championships | Hong Kong, China | |
| 8 | 59.30 | h | Jenny Thompson | United States | 2 April 1999 | World Championships | Hong Kong, China | |
| 9 | 58.80 | Natalie Coughlin | United States | 23 November 2002 | World Cup | East Meadow, NY, United States | ||
| 10 | 58.54 | Emily Seebohm | Australia | 10 August 2009 | Australian Championships | Hobart, Australia | ||
| 11 | 58.51 | h | Therese Alshammar | Sweden | 17 October 2009 | World Cup | Durban, South Africa | |
| 12 | 58.40 | Zhao Jing | China | 11 November 2009 | World Cup | Stockholm, Sweden | ||
| 13 | 57.74 | Hinkelien Schreuder | Netherlands | 15 November 2009 | World Cup | Berlin, Germany | ||
| 14 | 57.73 | h | Katinka Hosszú | Hungary | 8 August 2013 | World Cup | Eindhoven, Netherlands | |
| 15 | 57.50 | Katinka Hosszú | Hungary | 8 August 2013 | World Cup | Eindhoven, Netherlands | ||
| 16 | 57.45 | h | Katinka Hosszú | Hungary | 11 August 2013 | World Cup | Berlin, Germany | |
| 17 | 57.25 | h | Katinka Hosszú | Hungary | 28 August 2014 | World Cup | Doha, Qatar | |
| 18 | 56.86 | h | Katinka Hosszú | Hungary | 1 September 2014 | World Cup | Dubai, United Arab Emirates | |
| 19 | 56.70 | Katinka Hosszú | Hungary | 5 December 2014 | World Championships | Doha, Qatar | ||
| 20 | 56.67 | Katinka Hosszú | Hungary | 4 December 2015 | European Championships | Netanya, Israel | ||
| 21 | 56.51 | Katinka Hosszú | Hungary | 7 August 2017 | World Cup | Berlin, Germany | ||
| 22 | 55.98 | tt | Gretchen Walsh | United States | 18 October 2024 | Florida vs Virginia Dual Meet | Charlottesville, United States | |
| 23 | 55.71 | sf | Gretchen Walsh | United States | 12 December 2024 | World Championships | Budapest, Hungary | |
| 24 | 55.11 | Gretchen Walsh | United States | 13 December 2024 | World Championships | Budapest, Hungary |
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat;
Records not set in finals: h – heat;
All-time top 25
| Tables show data for two definitions of "Top 25" - the top 25 100 m individual medley times and the top 25 athletes: |
| - denotes top performance for athletes in the top 25 100 m individual medley times |
| - denotes lesser performances, still in the top 25 100 m individual medley times, by repeat athletes |
| - denotes top performance (only) for other top 25 athletes who fall outside the top 25 100 m individual medley times |
Men
- Correct as of December 2025
| Ath.# | Perf.# | Time | Athlete | Nation | Date | Place | Ref. |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 49.28 | Caeleb Dressel | United States | 22 November 2020 | Budapest | |
| 2 | 49.88 | Dressel #2 | 16 November 2020 | Budapest | |||
| 2 | 3 | 49.92 | Léon Marchand | France | 31 October 2024 | Singapore | |
| 3 | 4 | 50.26 | Vladimir Morozov | Russia | 28 September 2018 | Eindhoven | |
| 9 November 2018 | Tokyo | ||||||
| 4 | 6 | 50.28 | Shaine Casas | United States | 23 October 2025 | Toronto | |
| 7 | 50.30 | Morozov #3 | 30 August 2016 | Berlin | |||
| 8 | 50.31 | Morozov #4 | 15 November 2018 | Singapore | |||
| 9 | 50.32 | Morozov #5 | 4 October 2018 | Budapest | |||
| 10 | 50.33 | Morozov #6 | 29 October 2016 | Hong Kong | |||
| 5 | 10 | 50.33 | Noè Ponti | Switzerland | 13 December 2024 | Budapest | |
| 12 | 50.36 | Morozov #7 | 11 November 2017 | Beijing | |||
| 13 | 50.39 | Ponti #2 | 31 October 2024 | Singapore | |||
| 14 | 50.43 | Ponti #3 | 12 December 2024 | Budapest | |||
| 15 | 50.45 | Casas #2 | 17 October 2025 | Westmont | |||
| 16 | 50.48 | Dressel #3 | 10 November 2020 | Budapest | |||
| 17 | 50.49 | Morozov #8 | 18 November 2017 | Singapore | |||
| 18 | 50.52 | Ponti #4 | 4 December 2025 | Lublin | |||
| 6 | 19 | 50.53 | Maxime Grousset | France | 4 December 2025 | Lublin | |
| 20 | 50.55 | Morozov #9 | 25 October 2016 | Tokyo | |||
| 21 | 50.56 | Grousset #2 | 23 October 2025 | Taverny | |||
| 7 | 21 | 50.56 | Hubert Kós | Hungary | 23 October 2025 | Toronto | |
| 23 | 50.60 | Morozov #10 | 26 August 2016 | Chartres | |||
| 8 | 24 | 50.63 | Kliment Kolesnikov | Russia | 14 December 2018 | Hangzhou | |
| 25 | 50.64 | Ponti #5 | 13 April 2025 | Uster | |||
| 9 | 50.66 | Markus Deibler | Germany | 7 December 2014 | Doha | ||
| 10 | 50.71 | Ryan Lochte | United States | 15 December 2012 | Istanbul | ||
| 11 | 50.76 | Peter Mankoč | Slovenia | 12 December 2009 | Istanbul | ||
| 12 | 50.95 | Sergei Fesikov | Russia | 14 November 2009 | Berlin | ||
| Marco Orsi | Italy | 7 November 2021 | Kazan | ||||
| 14 | 50.96 | Florent Manaudou | France | 7 December 2013 | Dijon | ||
| 15 | 50.97 | Thomas Ceccon | Italy | 16 December 2022 | Melbourne | ||
| 16 | 51.05 | Gerhard Zandberg | South Africa | 14 November 2009 | Berlin | ||
| Javier Acevedo | Canada | 16 December 2022 | Melbourne | ||||
| Finlay Knox | Canada | 23 October 2025 | Toronto | ||||
| 19 | 51.07 | Grant House | United States | 17 October 2025 | Westmont | ||
| 20 | 51.11 | Bernhard Reitshammer | Austria | 13 December 2024 | Budapest | ||
| 21 | 51.14 | Marcin Cieślak | Poland | 16 November 2020 | Budapest | ||
| Emre Sakçı | Turkey | 23 December 2023 | Istanbul | ||||
| Duncan Scott | Great Britain | 18 October 2024 | Shanghai | ||||
| 24 | 51.15 | George Bovell | Trinidad and Tobago | 7 August 2013 | Eindhoven | ||
| 25 | 51.16 | Michael Andrew | United States | 15 November 2018 | Singapore |
Women
- Correct as of December 2025
| Ath.# | Perf.# | Time | Athlete | Nation | Date | Place | Ref. |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 55.11 | Gretchen Walsh | United States | 13 December 2024 | Budapest | |
| 2 | 55.71 | Walsh #2 | 12 December 2024 | Budapest | |||
| 3 | 55.77 | Walsh #3 | 17 October 2025 | Westmont | |||
| 4 | 55.91 | Walsh #4 | 10 October 2025 | Carmel | |||
| 5 | 55.98 | Walsh #5 | 18 October 2024 | Charlottesville | |||
| 6 | 55.99 | Walsh #6 | 23 October 2025 | Toronto | |||
| 7 | 56.06 | Walsh #7 | 12 December 2024 | Budapest | |||
| 2 | 8 | 56.26 | Marrit Steenbergen | Netherlands | 4 December 2025 | Lublin | |
| 3 | 9 | 56.34 | Kate Douglass | United States | 10 October 2025 | Carmel | |
| 10 | 56.42 | Douglass #2 | 17 October 2025 | Westmont | |||
| 11 | 56.49 | Douglass #3 | 13 December 2024 | Budapest | |||
| 4 | 12 | 56.51 | Katinka Hosszú | Hungary | 7 August 2017 | Berlin | |
| 13 | 56.57 | Douglass #4 | 31 October 2024 | Singapore | |||
| 14 | 56.67 | Hosszú #2 | 4 December 2015 | Netanya | |||
| 5 | 14 | 56.67 | Béryl Gastaldello | France | 13 December 2024 | Budapest | |
| 16 | 56.70 | Hosszú #3 | 5 December 2014 | Doha | |||
| 17 | 56.75 | Hosszú #4 | 14 December 2017 | Copenhagen | |||
| 6 | 18 | 56.80 | Roos Vanotterdijk | Belgium | 4 December 2025 | Lublin | |
| 19 | 56.86 | Hosszú #5 | 1 September 2014 | Dubai | |||
| 20 | 56.88 | Douglass #5 | 12 December 2024 | Budapest | |||
| 21 | 56.97 | Hosszú #6 | 1 October 2017 | Hong Kong | |||
| Hosszú #7 | 15 December 2017 | Copenhagen | |||||
| Douglass #6 | 24 October 2024 | Incheon | |||||
| 24 | 56.98 | Douglass #7 | 12 December 2024 | Budapest | |||
| 25 | 56.99 | Hosszú #8 | 4 December 2014 | Doha | |||
| Hosszú #9 | 7 August 2017 | Berlin | |||||
| Douglass #8 | 18 October 2024 | Shanghai | |||||
| 7 | 57.04 | Mary-Sophie Harvey | Canada | 13 December 2024 | Budapest | ||
| 8 | 57.10 | Sarah Sjöström | Sweden | 2 August 2017 | Moscow | ||
| 9 | 57.17 | Anastasia Gorbenko | Israel | 4 December 2025 | Lublin | ||
| 10 | 57.44 | Yu Yiting | China | 31 October 2024 | Singapore | ||
| 11 | 57.47 | Charlotte Bonnet | France | 7 December 2023 | Otopeni | ||
| 12 | 57.53 | Alicia Coutts | Australia | 10 November 2013 | Tokyo | ||
| Beata Nelson | United States | 31 October 2024 | Singapore | ||||
| 14 | 57.59 | Siobhan-Marie O'Connor | Great Britain | 3 December 2015 | Netanya | ||
| Maria Kameneva | Russia | 6 December 2019 | Glasgow | ||||
| Anastasiya Shkurdai | Belarus | 22 November 2020 | Budapest | ||||
| 17 | 57.68 | Rūta Meilutytė | Lithuania | 14 December 2013 | Herning | ||
| Louise Hansson | Sweden | 16 December 2022 | Melbourne | ||||
| 19 | 57.69 | Rebecca Meder | South Africa | 12 December 2024 | Budapest | ||
| Tessa Giele | Netherlands | 13 December 2024 | Budapest | ||||
| 21 | 57.74 | Hinkelien Schreuder | Netherlands | 15 November 2009 | Berlin | ||
| 22 | 57.75 | Rikako Ikee | Japan | 15 November 2017 | Tokyo | ||
| 23 | 57.76 | Kaylee McKeown | Australia | 18 October 2024 | Shanghai | ||
| 24 | 57.77 | Runa Imai | Japan | 14 December 2018 | Hangzhou | ||
| 25 | 57.80 | Kayla Sanchez | Canada | 21 December 2018 | Lausanne |
wikipedia, wiki, encyclopedia, book, library, article, read, free download, Information about World record progression 100 metres individual medley, What is World record progression 100 metres individual medley? What does World record progression 100 metres individual medley mean?