World record progression 100 metres individual medley explained

See main article: List of world records in swimming.

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)

Women

All-time top 25

Men

• Correct as of October 2024^[1]

Pos	Time	Swimmer	Date	Venue	Ref
1	49.28		22 November 2020	Budapest
2	49.92		31 October 2024		[2]
3	50.26		28 September 2018	Eindhoven
			9 November 2018	Tokyo
4	50.39		31 October 2024	Singapore	[3]
5	50.63		14 December 2018	Hangzhou
6	50.66		7 December 2014	Doha
7	50.71		15 December 2012	Istanbul
8	50.76		12 December 2009	Istanbul
9	50.95		14 November 2009	Berlin
			7 November 2021	Kazan	[4]
11	50.96		7 December 2013	Dijon
12	50.97		16 December 2022	Melbourne	[5]
13	51.03		29 October 2022	Toronto	[6]
14	51.05		14 November 2009	Berlin
			16 December 2022	Melbourne	[7]
16	51.10		16 December 2022	Melbourne	[8]
17	51.14		16 November 2020	Budapest
			23 December 2023	Istanbul	[9]
			18 October 2024	Shanghai	[10]
20	51.15		7 August 2013	Eindhoven
21	51.16		15 November 2018	Singapore
22	51.19		20 October 2013	Qatar
23	51.20		13 December 2009	Istanbul
24	51.24		18 October 2024	Shanghai	[11]
25	51.29		28 October 2021	Kazan	[12]

Notes

Below is a list of other times equal or superior to 51.29:

• Caeleb Dressel also swam 49.88 (2020), 50.48 (2020), 50.68 (2021), 50.74 (2021), 51.01 (2021), 51.11 (2020), 51.27 (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), 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).
• Léon Marchand also swam 50.65 (2024), 51.00 (2024).
• Noè Ponti also swam 50.66 (2024), 51.00 (2024).
• Ryan Lochte also swam 50.81 (2010), 50.86 (2010), 51.15 (2008), 51.21 (2012), 51.24 (2014), 51.25 (2008).
• Sergei Fesikov also swam 50.96 (2009), 51.22 (2017), 51.29 (2009).
• Marco Orsi also swam 51.03 (2018).
• Shaine Casas also swam 51.04 (2022).
• Kliment Kolesnikov also swam 51.09 (2021), 51.15 (2019).
• 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 October 2024^[13]

Pos	Time	Swimmer	Date	Venue	Ref
1	55.98		18 October 2024		[14]
2	56.51		7 August 2017	Berlin
3	56.57		31 October 2024	Singapore	[15]
4	57.10		2 August 2017	Moscow
5	57.30		22 November 2020	Budapest
6	57.44		31 October 2024	Singapore	[16]
7	57.47		7 December 2023	Otopeni	[17]
8	57.53		10 November 2013	Tokyo
			16 December 2022	Melbourne	[18]
			31 October 2024	Singapore	[19]
11	57.59		3 December 2015	Netanya
			6 December 2019	Glasgow
			22 November 2020	Budapest
14	57.68		14 December 2013	Herning
			16 December 2022	Melbourne	[20]
16	57.74		15 November 2009	Berlin
17	57.75		15 November 2017	Tokyo
18	57.76		18 October 2024	Shanghai	[21]
19	57.77		14 December 2018	Hangzhou
20	57.80		21 December 2018	Lausanne
			19 December 2021	Abu Dhabi	[22]
22	57.82		4 November 2021	Kazan	[23]
			18 October 2024	Shanghai	[24]
24	57.84		27 August 2016	Chartres
25	57.94		27 October 2020	Budapest

Notes

Below is a list of other times equal or superior to 57.94:

• Katinka Hosszú also swam 56.67 (2015), 56.70 (2014), 56.75 (2017), 56.86 (2014), 56.97 (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 (2020), 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) and 57.73 (2013).
• Kate Douglass also swam 56.97 (2024), 56.99 (2024), 57.69 (2024), 57.72 (2024), 57.90 (2024).
• Sarah Sjöström also swam 57.28 (2018), 57.30 (2017), 57.46 (2021), 57.49 (2018), 57.60 (2017), 57.92 (2021).
• Béryl Gastaldello also swam 57.43 (2020), 57.63 (2022), 57.67 (2023), 57.82 (2022).
• Yu Yiting also swam 57.51 (2024), 57.88 (2024).
• Beata Nelson also swam 57.72 (2021), 57.81 (2022), 57.90 (2021).
• Maria Kameneva also swam 57.83 (2021).
• Anastasia Gorbenko also swam 57.90 (2020, 2021), 57.91 (2020).

References

• Zwemkroniek
• Agenda Diana

Notes and References

1. Web site: Men's 100m Individual Medley Short Course All-Time Ranking. World Aquatics. 12 December 2023.
2. Web site: Men's 100m IM Final Results. Omega Timing. 31 October 2024. 10 November 2024.
3. Web site: Men's 100m IM Final Results. Omega Timing. 31 October 2024. 10 November 2024.
4. Web site: Men's 100m IM Final Results. microplustiming.com. 7 November 2021. 25 November 2021.
5. Web site: Men's 100m IM Final Results. Omega Timing. 16 December 2022. 19 December 2022.
6. SHAINE CASAS WINS TORONTO 100 IM IN 51.03, NOW LEADS CHASE TO SWIM AT SC WORLDS. SwimSwam. Sophie Kaufman. 28 October 2022. 30 October 2022.
7. Web site: Men's 100m IM Final Results. Omega Timing. 16 December 2022. 19 December 2022.
8. Web site: Men's 100m IM Final Results. Omega Timing. 16 December 2022. 19 December 2022.
9. Web site: Men's 100m IM Final Results. TYF. 23 December 2023. 25 December 2023.
10. Web site: Men's 100m IM Final Results. Omega Timing. 18 October 2024. 27 October 2024.
11. Web site: Men's 100m IM Final Results. Omega Timing. 18 October 2024. 27 October 2024.
12. Web site: Men's 100m IM Final Results. Omega Timing. 28 October 2021. 6 November 2021.
13. Web site: Women's 100m Individual Medley Short Course All-Time Ranking. World Athletics. 6 December 2023.
14. GRETCHEN WALSH SHATTERS 100 IM WORLD RECORD IN 55.98, FIRST SWIMMER SUB-56. SwimSwam. James Sutherland. 18 October 2024. 27 October 2024.
15. Web site: Women's 100m IM Final Results. Omega Timing. 31 October 2024. 7 November 2024.
16. Web site: Women's 100m IM Final Results. Omega Timing. 31 October 2024. 7 November 2024.
17. Web site: Women's 100m IM Final Results. Omega Timing. 7 December 2023. 7 December 2023.
18. Web site: Women's 100m IM Final Results. Omega Timing. 16 December 2022. 19 December 2022.
19. Web site: Women's 100m IM Final Results. Omega Timing. 31 October 2024. 7 November 2024.
20. Web site: Women's 100m IM Final Results. Omega Timing. 16 December 2022. 19 December 2022.
21. Web site: Women's 100m IM Final Results. Omega Timing. 18 October 2024. 27 October 2024.
22. Web site: Women's 100m IM Final Results. Omega Timing. 19 December 2021. 20 December 2021.
23. Web site: Women's 100m IM Final Results. microplustiming.com. 4 November 2021. 12 November 2021.
24. Web site: Women's 100m IM Final Results. Omega Timing. 18 October 2024. 27 October 2024.