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World record progression 400 metres freestyle

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Summary

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Main article: List of world records in swimming

The first world record in the men's 400 metres freestyle in long course (50 metres) swimming was recognised by FINA (now World Aquatics) in 1908. In the short course (25 metres) swimming events the world's governing body recognizes world records since 3 March 1991.

The drop in world record times in 2008–2009 coincided with the introduction of polyurethane suits from Speedo (LZR, 50% polyurethane) in 2008 and by Arena (X-Glide), Adidas (Hydrofoil) and Italian swimming suit manufacturer Jaked (all 100% polyurethane) in 2009. FINA's ban on non-textile suit came into effect in January 2010. FINA also released a list of approved suits.

Men

Long course

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|As of 1 May 1957, World Aquatics required records to be set in a 50-metre pool. This resulted in the annulment of Murray Rose's world record of 4:25.9. As John Marshall's 4:26.9 and Ford Konno's 4:26.7 were also set in 25-metre pools, the world record was reverted to Rose's 4:27.0 from 1956.

Short course

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Women

Long course

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Short course

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All-time top 25

*- denotes top performance (only) for other top 25 athletes who fall outside the top 25 400 m freestyle times*

Men long course

  • Correct as of November 2025
Ath.#Perf.#TimeAthleteNationDatePlace
113:39.96Lukas Märtens12 April 2025Stockholm
223:40.07Paul Biedermann26 July 2009Rome
333:40.08Ian Thorpe30 July 2002Manchester
443:40.14Sun Yang28 July 2012London
53:40.17Thorpe #222 July 2001Fukuoka
63:40.29Sun #223 September 2011Rizhao
73:40.33Märtens #225 April 2024Berlin
83:40.54Thorpe #318 March 2002Brisbane
93:40.59Thorpe #416 September 2000Sydney
103:40.61Märtens #31 May 2025Berlin
5113:40.68Samuel Short23 July 2023Fukuoka
6123:40.70Ahmed Hafnaoui23 July 2023Fukuoka
133:40.76Thorpe #524 March 2001Hobart
143:41.03Short #29 June 2025Adelaide
7153:41.11Oussama Mellouli26 July 2009Rome
8163:41.22Elijah Winnington18 June 2022Budapest
173:41.33Thorpe #613 May 2000Sydney
9183:41.35Zhang Lin26 July 2009Rome
193:41.38Sun #323 July 2017Budapest
203:41.41Winnington #217 April 2024Gold Coast
213:41.48Sun #45 April 2011Wuhan
10223:41.53Park Tae-hwan16 November 2010Guangzhou
11233:41.55Mack Horton6 August 2016Rio de Janeiro
243:41.59Sun #528 July 2013Barcelona
253:41.60Märtens #49 April 2022Stockholm
123:42.42Kim Woo-min1 June 2024Monaco
133:42.51Grant Hackett22 July 2001Fukuoka
143:42.76Guilherme Costa27 July 2024Paris
153:42.78Larsen Jensen10 August 2008Beijingtitle=Olympics, Swimming: Tae Hwan Park Captures Gold Medal in Men’s 400 Freeurl=https://www.swimmingworldmagazine.com/news/olympics-swimming-tae-hwan-park-captures-gold-medal-in-mens-400-free/magazine=Swimming Worldauthor=John Lohndate=10 August 2008access-date=24 April 2025}}
163:42.81Oliver Klemet19 April 2024Magdeburg
173:42.82Zhang Zhanshuo10 November 2025Shenzhen
183:43.11Peter Vanderkaay10 August 2008Beijing
193:43.23Gabriele Detti19 July 2019Gwangju
203:43.24Felix Auböck23 June 2024Belgrade
213:43.27Jack McLoughlin12 June 2021Adelaide
223:43.33Rex Maurer6 June 2025Indianapolis
233:43.36Danas Rapsys12 May 2019Budapest
243:43.40Massimiliano Rosolino16 September 2000Sydney
253:43.42Conor Dwyer6 August 2016Rio de Janeiro

Men short course

  • Correct as of December 2025
Ath.#Perf.#TimeAthleteNationDatePlace
113:32.25Yannick Agnel15 November 2012Angers
223:32.77Paul Biedermann14 November 2009Berlin
333:33.20Danas Rapšys4 December 2019Glasgow
43:34.01Rapšys #211 December 2018Hangzhou
453:34.32Péter Bernek5 December 2014Doha
563:34.38Kieran Smith15 December 2022Melbourne
673:34.46Duncan Scott31 October 2024Singapore
83:34.55Biedermann #210 December 2009Istanbul
793:34.58Grant Hackett18 July 2002Sydney
8103:34.59Park Tae-hwan6 December 2016Windsor
9113:34.63Ian Thorpe21 January 2003Stockholm
10123:34.66Zhang Lin22 February 2009Tokyo
11133:34.81Peter Vanderkaay22 February 2009Tokyo
143:35.01Hackett #22 April 1999Hong Kong
12153:35.05Thomas Neill15 December 2022Melbourne
163:35.16Hackett #319 July 2008Melbourne
13173:35.30Aleksandr Krasnykh6 December 2016Windsor
183:35.36Hackett #431 August 2007Melbourne
193:35.46Bernek #22 December 2015Netanya
14203:35.47Daniel Wiffen5 December 2023Otopeni
213:35.49Rapšys #31 November 2020Budapest
223:35.51Krasnykh #213 December 2017Copenhagen
233:35.64Thorpe #22 April 1999Hong Kong
15243:35.67Luke Hobson26 August 2022Sydney
253:35.73Hackett #526 August 2006Hobart
163:35.75Nikita Lobintsev10 December 2009Istanbul
173:35.89Elijah Winnington12 December 2024Budapesttitle=2024 World Aquatics Championships (25m) - Men's 400m Freestyle Final Resultsurl=https://www.omegatiming.com/File/00011800080101EF0104FFFFFFFFFF01.pdfpublisher=Omega Timingdate=12 December 2024access-date=28 December 2024}}
183:35.90Felix Auböck16 December 2021Abu Dhabi
193:36.09Tyler Melbourne-Smith11 December 2025Sheffield
203:36.12Samuel Short1 October 2025Melbourne
213:36.30Matthew Sates21 October 2022Berlin
223:36.31Carson Foster12 December 2024Budapest
233:36.33Jack McMillan2 December 2025Lublintitle=2025 European Championships (25m) - Men's 400m Freestyle Final Resultsurl=https://www.omegatiming.com/File/000119000A0101EF0104FFFFFFFFFF01.pdfpublisher=Omega Timingdate=2 December 2025accessdate=3 December 2025}}
243:36.35James Guy5 December 2014Doha
253:36.43Pan Zhanle24 October 2024Incheon

Women long course

  • Correct as of December 2025
Ath.#Perf.#TimeAthleteNationDatePlace
113:54.18Summer McIntosh7 June 2025Victoria
23:55.37McIntosh #24 December 2025Austin
233:55.38Ariarne Titmus23 July 2023Fukuoka
43:55.44Titmus #210 June 2024Brisbane
53:56.08McIntosh #328 March 2023Toronto
63:56.26McIntosh #427 July 2025Singaporetitle=2025 World Aquatics Championships - Women's 400m Freestyle Final Resultsurl=https://www.omegatiming.com/File/00011900010201EF0104FFFFFFFFFF01.pdfwork=Omega Timingdate=27 July 2025access-date=27 July 2025}}
73:56.40Titmus #322 May 2022Adelaide
383:56.46Katie Ledecky7 August 2016Rio de Janeiro
93:56.69Titmus #426 July 2021Tokyo
103:56.81Ledecky #21 May 2025Fort Lauderdaletitle=2025 TYR Pro Swim Series (Fort Lauderdale) - Women's 400m Freestyle Final Resultsurl=https://www.omegatiming.com/File/00011900030201EF0104FFFFFFFFFF01.pdfwork=Omega Timingdate=1 May 2025access-date=1 May 2025}}
113:56.90Titmus #513 June 2021Adelaide
123:57.36Ledecky #326 July 2021Tokyo
133:57.49Titmus #627 July 2024Paristitle=2024 Olympic Games - Women's 400m Freestyle Final Resultsurl=https://olympics.com/OG2024/pdf/OG2024/SWM/OG2024_SWM_C73A1_SWMW400MFR------------FNL-000100--.pdfurl-status=deadarchive-url=https://web.archive.org/web/20240923102505/https://olympics.com/OG2024/pdf/OG2024/SWM/OG2024_SWM_C73A1_SWMW400MFR------------FNL-000100--.pdfarchive-date=23 September 2024access-date=2024-12-18website=olympics.compublisher=International Olympic Committee}}
143:57.94Ledecky #427 May 2018Indianapolis
153:58.06Titmus #73 August 2022Birmingham
163:58.15Ledecky #518 June 2022Budapest
4173:58.21Li Bingjie27 July 2025Singapore
183:58.28McIntosh #51 May 2025Fort Lauderdale
193:58.34Ledecky #623 July 2017Budapest
203:58.35Ledecky #715 June 2024Indianapolistitle=2024 US Olympic Trials - Women's 400m Freestyle Resultsurl=https://www.omegatiming.com/File/00011800030201EF0104FFFFFFFFFF01.pdfwork=Omega Timingdate=15 June 2024access-date=17 June 2024}}
213:58.37Ledecky #823 August 2014Gold Coast
McIntosh #627 July 2024Paris
233:58.44Ledecky #930 June 2017Indianapolis
243:58.47Titmus #813 June 2023Melbourne
253:58.49Ledecky #1027 July 2025Singapore
53:58.87Lani Pallister27 July 2025Singapore
63:59.15Federica Pellegrini26 July 2009Rome
73:59.44Erika Fairweather11 February 2024Dohatitle=2024 World Aquatics Championships - Women's 400m Freestyle Final Resultsurl=https://www.omegatiming.com/File/00011800000201EF0104FFFFFFFFFF01.pdfwork=Omega Timingdate=11 February 2024access-date=11 February 2024}}
84:00.05Claire Weinstein6 June 2025Indianapolis
94:00.60Joanne Jackson26 July 2009Rome
104:00.65Leah Smith27 June 2016Omaha
114:00.79Rebecca Adlington26 July 2009Rome
124:01.13Camille Muffat18 March 2012Dunkirk
134:01.23Jazmin Carlin7 August 2016Rio de Janeiro
144:01.31Ajna Késely21 July 2019Gwangjutitle=18th FINA World Championships - Women's 400m Freestyle Final Resultsurl=https://www.omegatiming.com/File/00011301070201EF04FFFFFFFFFFFF01.pdfwork=Omega Timingdate=21 July 2019access-date=22 April 2025}}
154:01.77Allison Schmitt29 July 2012London
164:01.90Yang Peiqi10 November 2025Shenzhen
174:01.95Tang Muhan20 September 2021Xi'an
184:02.08Paige Madden15 June 2024Indianapolis
194:02.13Laure Manaudou31 July 2006Budapest
204:02.14Isabel Gose27 July 2024Paris
214:02.20Katie Hoff16 February 2008Columbia
224:02.35Chen Qian17 October 2009Jinan
234:02.37Boglárka Kapás7 August 2016Rio de Janeiro
244:02.47Melani Costa28 July 2013Barcelona
254:02.57Liu Yaxin17 May 2025Shenzhen

Women short course

  • Correct as of December 2025
Ath.#Perf.#TimeAthleteNationDatePlace
113:50.25Summer McIntosh10 December 2024Budapest
223:51.30Li Bingjie27 October 2022Beijing
333:51.87Lani Pallister23 October 2025Toronto
43:52.42Pallister #217 October 2025Westmont
53:52.80McIntosh #228 October 2022Torontotitle=2022 FINA World Cup (Toronto) - Women's 400m Freestyle Final Resultsurl=https://www.omegatiming.com/File/00011700080201EF0104FFFFFFFFFF01.pdfwork=Omega Timingdate=28 October 2022access-date=30 October 2022}}
463:52.88Katie Ledecky28 October 2022Toronto
73:53.73Pallister #310 December 2024Budapest
583:53.92Ariarne Titmus14 December 2018Hangzhou
693:53.97Wang Jianjiahe4 October 2018Budapest
103:54.04Ledecky #23 November 2022Indianapolis
113:54.06Ledecky #36 October 2019Indianapolis
123:54.16Pallister #425 October 2025Toronto
7133:54.33Isabel Gose2 December 2025Lublin
143:54.38Pallister #510 October 2025Carmel
8153:54.52Mireia Belmonte11 August 2013Berlin
163:54.56Wang #214 December 2018Hangzhou
173:54.58Titmus #227 October 2020Brisbane
183:54.63Wang #328 September 2018Eindhoven
9193:54.85Camille Muffat24 November 2012Chartres
10203:54.88Mary-Sophie Harvey10 December 2024Budapest
11213:54.92Joanne Jackson8 August 2009Leeds
223:54.93Muffat #221 October 2012Berlin
233:55.04Pallister #613 December 2022Melbournetitle=16th FINA World Championships (25m) - Women's 400m Freestyle Final Resultsurl=https://www.omegatiming.com/File/00011700030201EF0104FFFFFFFFFF01.pdfwork=Omega Timingdate=13 December 2022access-date=18 December 2022}}
12243:55.12Paige Madden10 December 2024Budapest
13253:55.16Lauren Boyle8 August 2013Eindhoven
143:55.89Allison Schmitt18 December 2009Manchester
153:56.00Erika Fairweather13 December 2022Melbourne
163:56.09Laure Manaudou9 December 2006Helsinki
173:56.12Claire Weinstein10 December 2024Budapest
183:56.24Coralie Balmy16 November 2008Berlin
193:56.52Siobhán Haughey21 October 2022Berlin
203:56.70Simona Quadarella2 December 2025Lublin
213:56.71Freya Colbert2 December 2025Lublin
223:56.84Melani Costa8 August 2013Eindhoven
233:57.07Katie Hoff17 December 2010Dubai
243:57.45Holly Hibbott21 December 2019Las Vegas
253:57.59Federica Pellegrini6 March 2011Rome

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  166. (18 December 2009). "2009 Duel in the Pool - Women's 400m Freestyle Results". Omega Timing.
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