# World record progression 1500 metres freestyle
The world record progression in the 1500 meters freestyle is the chronological sequence of fastest ratified times swum in the long-course (50 m pool) 1500 m freestyle, an event recognized by World Aquatics (formerly FINA). The men's record currently stands at 14:26.79, set by Johannes Liebmann of Germany in Paris on 15 August 2026, and the women's record at 15:20.48, set by [Katie Ledecky](https://www.edgepedia.org/katie-ledecky) of the United States on 16 May 2018.[1](https://www.guinnessworldrecords.com/world-records/72503-fastest-swim-long-course-1-500-metres-freestyle-male) • [2](https://www.omegatiming.com/File/00011900010201F30104FFFFFFFFFF01.pdf)
| Key fact | Detail |
|---|---|
| Men's world record | 14:26.79, Johannes Liebmann (Germany), Paris, 15 August 2026, at the 2026 European Aquatics Championships (50 m)[1](https://www.guinnessworldrecords.com/world-records/72503-fastest-swim-long-course-1-500-metres-freestyle-male) |
| Improvement margin | Liebmann took 3.88 seconds off Bobby Finke's record while turning his arms over almost 8% slower[3](https://makoswim.io/how-the-1500-freestyle-world-record-was-broken/) |
| Previous men's era | Sun Yang set the world record at the 2011 World Championships; the 2011 meet produced two world records, in the men's 1500 m and the men's 200 m individual medley[4](https://www.lemonde.fr/natation/article/2011/07/31/lacourt-argente-sun-yang-historique-lochte-insatiable-mondiaux-termines_5986081_1616665.html) |
| Earlier benchmark | Grant Hackett's 1500 m record was set on 29 July 2001[5](https://www.lemonde.fr/natation/article/2011/07/31/le-jour-de-gloire-du-1500-metres_5986084_1616665.html) |
| Women's world record | 15:20.48, Katie Ledecky (USA), Indianapolis, 16 May 2018[2](https://www.omegatiming.com/File/00011900010201F30104FFFFFFFFFF01.pdf) |
| Women's championship and junior marks | Championship record 15:25.48 (Ledecky, Kazan, 4 August 2015); world junior record 15:28.36 (Ledecky, Gold Coast, 24 August 2014)[2](https://www.omegatiming.com/File/00011900010201F30104FFFFFFFFFF01.pdf) |
| Olympic history | The 1500 m freestyle was an Olympic event for men only until the women's event was added; Ledecky became the first Olympic champion in the women's 1500 m at the Tokyo Games[6](https://www.lemonde.fr/en/sports/article/2024/07/31/swimming-at-the-2024-olympics-queen-katie-ledecky-does-the-roller-coaster-but-stop-saying-she-swims-like-a-guy_6706433_9.html) |
## Men's progression in the modern era
**Long-lived records define the event's history.** [Grant Hackett](https://www.edgepedia.org/grant-hackett)'s record, set on 29 July 2001, stood for nearly ten years to the day, and by the 2011 World Championships in Shanghai commentators were already speculating about its end.[5](https://www.lemonde.fr/natation/article/2011/07/31/le-jour-de-gloire-du-1500-metres_5986084_1616665.html) [Sun Yang](https://www.edgepedia.org/sun-yang) broke it at that meet, one of two world records set there alongside the men's 200 m individual medley.[4](https://www.lemonde.fr/natation/article/2011/07/31/lacourt-argente-sun-yang-historique-lochte-insatiable-mondiaux-termines_5986081_1616665.html)
The next step came at the Paris 2024 Olympics, where the American Bobby Finke, the Olympic champion and record holder going into the 2025 season, took the record.[3](https://makoswim.io/how-the-1500-freestyle-world-record-was-broken/) • [7](https://as.com/masdeporte/polideportivo/mcintosh-se-lleva-el-poquer-pese-su-farol-fallido-ante-ledecky-n/) At the 2025 World Aquatics Championships in Singapore, Finke controlled the men's 1500 m final from the 200 m mark after Kuzey Tuncelli led the early pace, with [Florian Wellbrock](https://www.edgepedia.org/florian-wellbrock) half a second behind at the race's midpoint.[7](https://as.com/masdeporte/polideportivo/mcintosh-se-lleva-el-poquer-pese-su-farol-fallido-ante-ledecky-n/)
**The 2026 record.** At the 2026 European Aquatics Championships in Paris, the 19-year-old [Johannes Liebmann](https://www.edgepedia.org/johannes-liebmann) took almost four seconds off Finke's mark, swimming 14:26.79 on 15 August 2026.[1](https://www.guinnessworldrecords.com/world-records/72503-fastest-swim-long-course-1-500-metres-freestyle-male) Race analysis shows he achieved the improvement while turning his arms over almost 8% slower than Finke had, meaning the gain came from stroke effectiveness rather than a higher stroke rate.[3](https://makoswim.io/how-the-1500-freestyle-world-record-was-broken/)
## Women's progression
The women's 1500 m freestyle entered the Olympic program only recently, and Katie Ledecky became the first Olympic champion in the event at the Tokyo Games.[6](https://www.lemonde.fr/en/sports/article/2024/07/31/swimming-at-the-2024-olympics-queen-katie-ledecky-does-the-roller-coaster-but-stop-saying-she-swims-like-a-guy_6706433_9.html) The record marks recognized at the 2025 World Aquatics Championships in Singapore were all hers: the world record of 15:20.48 from [Indianapolis](https://www.edgepedia.org/indianapolis) on 16 May 2018, the championship record of 15:25.48 from Kazan on 4 August 2015, and the world junior record of 15:28.36 from [Gold Coast](https://www.edgepedia.org/gold-coast) on 24 August 2014.[2](https://www.omegatiming.com/File/00011900010201F30104FFFFFFFFFF01.pdf) In the Singapore final on 29 July 2025 she won in 15:26.44, ahead of Simona Quadarella of Italy at 15:31.79.[2](https://www.omegatiming.com/File/00011900010201F30104FFFFFFFFFF01.pdf)
## What drives the record downward
**Turns are a measurable factor.** A research study published in BMC Research Notes (Polach, Thiel, Krenik, and Born, 2021) identified turn performance as a distinguishing factor in 1500 m freestyle racing and predicted that a short-course world record would fall if turns were performed at the same speed as in long-course races.[8](https://www.swimmingworldmagazine.com/news/data-analysis-how-enhanced-turn-performance-led-florian-wellbrock-to-world-record-in-1500-freestyle-visual-charts/) Florian Wellbrock's short-course world record in the 1500 freestyle was analyzed in terms of enhanced turn performance, with visual charts showing how turn gains accumulated over the race.[8](https://www.swimmingworldmagazine.com/news/data-analysis-how-enhanced-turn-performance-led-florian-wellbrock-to-world-record-in-1500-freestyle-visual-charts/)
More broadly, sports-science analyses of freestyle world records from 1920 to 2019 describe a steady improvement in performance driven by advances in training science, periodization, nutrition, and recovery, with the 2000s to mid-2010s characterized by incremental gains through biomechanical analysis and periodization.[9](https://cddp-thermos.cse.org.uk/article/1500-meter-world-record-in-swimming-verified-records-progression-and-context)
## Masters records
World Aquatics also publishes a separate progression of masters world records, organized by five-year age group. In the men's 1500 m freestyle for the 25-29 age group, the listed progression runs from 25:14.63 by Dexter Woodford (USA) on 12 August 1985, through Heinz Arendt (GER) at 25:07.87 in 1987, Aldo Da Rosa (USA) at 24:58.38 in 1988, Domei Suzuki (JPN) at 23:59.01 in 1991, Frank Piemme (USA) at 23:03.23 in 1995, Roger Franks (USA) at 22:59.14 in 1998, and Graham Johnston (USA) at 20:36.56 in 2001, to Dan Kirkland (USA) at 20:26.12 on 20 July 2018 and Richard New England Mastebaughman (USA) at 20:17.22 on 6 August 2025.[10](https://resources.fina.org/fina/document/2025/10/02/f081e81e-20aa-4114-8dc6-fca6c8220053/WorldRecordsProgressionIndividualLCM-1-.pdf) These times are age-group records for masters swimmers and are not part of the open elite progression.
## References
1. [Fastest swim long course 1,500 metres freestyle (male), Guinness World Records](https://www.guinnessworldrecords.com/world-records/72503-fastest-swim-long-course-1-500-metres-freestyle-male)
2. [Women's 1500m Freestyle Final, World Aquatics Championships Singapore 2025, Omega timing results](https://www.omegatiming.com/File/00011900010201F30104FFFFFFFFFF01.pdf)
3. [How the 1500 Freestyle World Record Was Broken, MakoSwim](https://makoswim.io/how-the-1500-freestyle-world-record-was-broken/)
4. [Lacourt argenté, Sun Yang historique, Lochte insatiable, Mondiaux terminés, Le Monde (2011)](https://www.lemonde.fr/natation/article/2011/07/31/lacourt-argente-sun-yang-historique-lochte-insatiable-mondiaux-termines_5986081_1616665.html)
5. [Le jour de gloire du 1500 mètres, Le Monde (2011)](https://www.lemonde.fr/natation/article/2011/07/31/le-jour-de-gloire-du-1500-metres_5986084_1616665.html)
6. [Katie Ledecky wins eighth gold medal, Le Monde English (2024)](https://www.lemonde.fr/en/sports/article/2024/07/31/swimming-at-the-2024-olympics-queen-katie-ledecky-does-the-roller-coaster-but-stop-saying-she-swims-like-a-guy_6706433_9.html)
7. [McIntosh se lleva el póquer pese a su fallido farol ante Ledecky, AS (2025)](https://as.com/masdeporte/polideportivo/mcintosh-se-lleva-el-poquer-pese-su-farol-fallido-ante-ledecky-n/)
8. [Data Analysis: How Enhanced Turn Performance Led Florian Wellbrock to World Record in 1500 Freestyle, Swimming World](https://www.swimmingworldmagazine.com/news/data-analysis-how-enhanced-turn-performance-led-florian-wellbrock-to-world-record-in-1500-freestyle-visual-charts/)
9. [1500 Meter World Record in Swimming: Verified Records, Progression, and Context](https://cddp-thermos.cse.org.uk/article/1500-meter-world-record-in-swimming-verified-records-progression-and-context)
10. [Masters World Record Progression, Long Course Individual, as of 01 Oct 2025, World Aquatics](https://resources.fina.org/fina/document/2025/10/02/f081e81e-20aa-4114-8dc6-fca6c8220053/WorldRecordsProgressionIndividualLCM-1-.pdf)
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