Swimming World Records – Women’s Long Course (50m)
Women’s Freestyle World Records
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Women’s 50m Freestyle World Record
Sarah Sjoestroem 23.61
World Aquatics Championships – Fukuoka 2023 29 July 2023
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Women’s 100m Freestyle World Record
Sarah Sjoestroem 51.71
17th FINA World Championships 2017 23 July 2017
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Women’s 200m Freestyle World Record
Ariarne Titmus 1:52.23
2024 Australian Swimming Trials 12 June 2024
- Women’s 400m Freestyle World Record
Summer McIntosh 3:54.18
2025 Bell Canadian Swimming Trials – Canada 7 June 2025
- Women’s 800m Freestyle World Record
Katie Ledecky 8:04.12
TYR Pro Series – Fort Lauderdale 3 May 2025
- Women’s 1500m Freestyle World Record
Katie Ledecky 15:20.48
Indianapolis PSS 2018 16 May 2018
Women’s Backstroke World Records
- Women’s 50m Backstroke World Record
Kaylee McKeown 26.86
Swimming World Cup Budapest 20 Oct 2023
- Women’s 100m Backstroke World Record
Regan Smith 57.13
2024 U.S. Olympic Trials 17 June 2024
- Women’s 200m Backstroke World Record
Kaylee McKeown 2:03.14
NSW State Open Championships 2023 10 Mar 2023
Women’s Breaststroke World Records
- Women’s 50m Breaststroke World Record
Ruta Meilutyte 29.16
World Aquatics Championships -30 July Fukuoka 2023
- Women’s 100m Breaststroke World Record
Lilly King 1:04.13
17th FINA World Championships 2017 25 July 2017
- Women’s 200m Breaststroke World Record
Evgeniia Chikunova 2:17.55
Russian National Championships 2023 24 April 2023
Women’s Butterfly World Records
- Women’s 50m Butterfly World Record
Sarah Sjoestroem 24.43
Swedish National Championships (50m) 05 Jul 2014
- Women’s 100m Butterfly World Record
Gretchen Walsh 54.60
TYR Pro Series – Fort Lauderdale 3 May 2025
- Women’s 200m Butterfly World Record
Zige Liu 2:01.81
11th Chinese National Games 21 Oct 2009
Women’s Medley World Records
- Women’s 200m Medley World Record
Summer McIntosh 2:05.70
Canadian Olympic Trials 2024 9 June 2025
- Women’s 400m Medley World Record
Summer McIntosh 4:23.65
2025 Bell Canadian Swimming Trials – Canada 11 June 2025
Women’s Freestyle Relay World Records
- Women’s 4 x 100m Freestyle Relay World Record
Australia 3:27.96
World Aquatics Championships – Fukuoka 23 Jul 2023
- Women’s 4 x 200m Freestyle Relay World Record
Australia 7:37.50
World Aquatics Championships – Fukuoka 27 Jul 2023
Women’s Medley Relay World Record
- Women’s 4 x 100M Medley Relay World Record
United States Of America 3:49.34
World Aquatics Championships – Singapore 2025 3 Aug 2025
Update: Swimming World Records – Women’s Long Course Aug 2025