This is a listing of thehistory of the World Record in theswimming event:100Individual Medley. The event consists of one 25-meter lap of each stroke (butterfly,backstroke,breaststroke, andfreestyle), and as such is only recognized inshort course (25m) pools.
| Tables show data for two definitions of "Top 25" - the top 25100 m individual medley times and the top 25athletes: |
| - denotes top performance forathletes in the top 25100 m individual medley times |
| - denotes lesser performances, still in the top 25100 m individual medley times, by repeat athletes |
| - denotes top performance (only) for other top 25athletes who fall outside the top 25 100 m individual medley times |
| Ath.# | Perf.# | Time | Athlete | Nation | Date | Place | Ref. |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 49.28 | Caeleb Dressel | United States | 22 November 2020 | Budapest | [21] |
| 2 | 49.88 | Dressel #2 | 16 November 2020 | Budapest | [20] | ||
| 2 | 3 | 49.92 | Léon Marchand | 31 October 2024 | Singapore | [41] | |
| 3 | 4 | 50.26 | Vladimir Morozov | 28 September 2018 | Eindhoven | [18] | |
| 9 November 2018 | Tokyo | [19] | |||||
| 4 | 6 | 50.28 | Shaine Casas | United States | 23 October 2025 | Toronto | [42] |
| 7 | 50.30 | Morozov #3 | 30 August 2016 | Berlin | [17] | ||
| 8 | 50.31 | Morozov #4 | 15 November 2018 | Singapore | [43] | ||
| 9 | 50.32 | Morozov #5 | 4 October 2018 | Budapest | [44] | ||
| 10 | 50.33 | Morozov #6 | 29 October 2016 | Hong Kong | [45] | ||
| 5 | 10 | 50.33 | Noè Ponti | 13 December 2024 | Budapest | [46] | |
| 12 | 50.36 | Morozov #7 | 11 November 2017 | Beijing | [47] | ||
| 13 | 50.39 | Ponti #2 | 31 October 2024 | Singapore | [41] | ||
| 14 | 50.43 | Ponti #3 | 12 December 2024 | Budapest | [48] | ||
| 15 | 50.45 | Casas #2 | 17 October 2025 | Westmont | [49] | ||
| 16 | 50.48 | Dressel #3 | 10 November 2020 | Budapest | [50] | ||
| 17 | 50.49 | Morozov #8 | 18 November 2017 | Singapore | [51] | ||
| 18 | 50.52 | Ponti #4 | 4 December 2025 | Lublin | [52] | ||
| 6 | 19 | 50.53 | Maxime Grousset | 4 December 2025 | Lublin | [52] | |
| 20 | 50.55 | Morozov #9 | 25 October 2016 | Tokyo | [53] | ||
| 21 | 50.56 | Grousset #2 | 23 October 2025 | Taverny | [54] | ||
| 7 | 21 | 50.56 | Hubert Kós | 23 October 2025 | Toronto | [42] | |
| 23 | 50.60 | Morozov #10 | 26 August 2016 | Chartres | [16] | ||
| 8 | 24 | 50.63 | Kliment Kolesnikov | 14 December 2018 | Hangzhou | [55] | |
| 25 | 50.64 | Ponti #5 | 13 April 2025 | Uster | [56] | ||
| 9 | 50.66 | Markus Deibler | 7 December 2014 | Doha | [15] | ||
| 10 | 50.71 | Ryan Lochte | United States | 15 December 2012 | Istanbul | [14] | |
| 11 | 50.76 | Peter Mankoč | 12 December 2009 | Istanbul | [13] | ||
| 12 | 50.95 | Sergei Fesikov | 14 November 2009 | Berlin | [12] | ||
| Marco Orsi | 7 November 2021 | Kazan | [57] | ||||
| 14 | 50.96 | Florent Manaudou | 7 December 2013 | Dijon | [58] | ||
| 15 | 50.97 | Thomas Ceccon | 16 December 2022 | Melbourne | [59] | ||
| 16 | 51.05 | Gerhard Zandberg | 14 November 2009 | Berlin | [60] | ||
| Javier Acevedo | 16 December 2022 | Melbourne | [59] | ||||
| Finlay Knox | 23 October 2025 | Toronto | [42] | ||||
| 19 | 51.07 | Grant House | United States | 17 October 2025 | Westmont | [49] | |
| 20 | 51.11 | Bernhard Reitshammer | 13 December 2024 | Budapest | [46] | ||
| 21 | 51.14 | Marcin Cieślak | 16 November 2020 | Budapest | [20] | ||
| Emre Sakçı | 23 December 2023 | Istanbul | [61] | ||||
| Duncan Scott | 18 October 2024 | Shanghai | [62] | ||||
| 24 | 51.15 | George Bovell | 7 August 2013 | Eindhoven | [63] | ||
| 25 | 51.16 | Michael Andrew | United States | 15 November 2018 | Singapore | [43] |
| Ath.# | Perf.# | Time | Athlete | Nation | Date | Place | Ref. |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 55.11 | Gretchen Walsh | United States | 13 December 2024 | Budapest | [39] |
| 2 | 55.71 | Walsh #2 | 12 December 2024 | Budapest | [38] | ||
| 3 | 55.77 | Walsh #3 | 17 October 2025 | Westmont | [65] | ||
| 4 | 55.91 | Walsh #4 | 10 October 2025 | Carmel | [66] | ||
| 5 | 55.98 | Walsh #5 | 18 October 2024 | Charlottesville | [37] | ||
| 6 | 55.99 | Walsh #6 | 23 October 2025 | Toronto | [67] | ||
| 7 | 56.06 | Walsh #7 | 12 December 2024 | Budapest | [68] | ||
| 2 | 8 | 56.26 | Marrit Steenbergen | 4 December 2025 | Lublin | [69] | |
| 3 | 9 | 56.34 | Kate Douglass | United States | 10 October 2025 | Carmel | [66] |
| 10 | 56.42 | Douglass #2 | 17 October 2025 | Westmont | [65] | ||
| 11 | 56.49 | Douglass #3 | 13 December 2024 | Budapest | [39] | ||
| 4 | 12 | 56.51 | Katinka Hosszú | 7 August 2017 | Berlin | [36] | |
| 13 | 56.57 | Douglass #4 | 31 October 2024 | Singapore | [70] | ||
| 14 | 56.67 | Hosszú #2 | 4 December 2015 | Netanya | [35] | ||
| 5 | 14 | 56.67 | Béryl Gastaldello | 13 December 2024 | Budapest | [39] | |
| 16 | 56.70 | Hosszú #3 | 5 December 2014 | Doha | [34] | ||
| 17 | 56.75 | Hosszú #4 | 14 December 2017 | Copenhagen | [71] | ||
| 6 | 18 | 56.80 | Roos Vanotterdijk | 4 December 2025 | Lublin | [69] | |
| 19 | 56.86 | Hosszú #5 | 1 September 2014 | Dubai | [33] | ||
| 20 | 56.88 | Douglass #5 | 12 December 2024 | Budapest | [38] | ||
| 21 | 56.97 | Hosszú #6 | 1 October 2017 | Hong Kong | [72] | ||
| Hosszú #7 | 15 December 2017 | Copenhagen | [73] | ||||
| Douglass #6 | 24 October 2024 | Incheon | [74] | ||||
| 24 | 56.98 | Douglass #7 | 12 December 2024 | Budapest | [68] | ||
| 25 | 56.99 | Hosszú #8 | 4 December 2014 | Doha | [75] | ||
| Hosszú #9 | 7 August 2017 | Berlin | [76] | ||||
| Douglass #8 | 18 October 2024 | Shanghai | [77] | ||||
| 7 | 57.04 | Mary-Sophie Harvey | 13 December 2024 | Budapest | [39] | ||
| 8 | 57.10 | Sarah Sjöström | 2 August 2017 | Moscow | [78] | ||
| 9 | 57.17 | Anastasia Gorbenko | 4 December 2025 | Lublin | [69] | ||
| 10 | 57.44 | Yu Yiting | 31 October 2024 | Singapore | [70] | ||
| 11 | 57.47 | Charlotte Bonnet | 7 December 2023 | Otopeni | [79] | ||
| 12 | 57.53 | Alicia Coutts | 10 November 2013 | Tokyo | [80] | ||
| Beata Nelson | United States | 31 October 2024 | Singapore | [70] | |||
| 14 | 57.59 | Siobhan-Marie O'Connor | 3 December 2015 | Netanya | [81] | ||
| Maria Kameneva | 6 December 2019 | Glasgow | [82] | ||||
| Anastasiya Shkurdai | 22 November 2020 | Budapest | [83] | ||||
| 17 | 57.68 | Rūta Meilutytė | 14 December 2013 | Herning | [84] | ||
| Louise Hansson | 16 December 2022 | Melbourne | [85] | ||||
| 19 | 57.69 | Rebecca Meder | 12 December 2024 | Budapest | [38] | ||
| Tessa Giele | 13 December 2024 | Budapest | [39] | ||||
| 21 | 57.74 | Hinkelien Schreuder | 15 November 2009 | Berlin | [31] | ||
| 22 | 57.75 | Rikako Ikee | 15 November 2017 | Tokyo | [86] | ||
| 23 | 57.76 | Kaylee McKeown | 18 October 2024 | Shanghai | [77] | ||
| 24 | 57.77 | Runa Imai | 14 December 2018 | Hangzhou | [87] | ||
| 25 | 57.80 | Kayla Sanchez | 21 December 2018 | Lausanne |
{{cite web}}: CS1 maint: bot: original URL status unknown (link)