Women's 50 metre butterfly at the 2025 World Aquatics Championships | ||||||||||
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Venue | World Aquatics Championships Arena | |||||||||
Location | Singapore Sports Hub, Kallang, Singapore | |||||||||
Dates | 1 August (heats and semifinals) 2 August (final) | |||||||||
Competitors | 80 from 71 nations | |||||||||
Winning time | 24.83 | |||||||||
Medalists | ||||||||||
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2025 World Aquatics Championships | |||
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Artistic swimming | |||
Solo | |||
Technical | men | women | |
Free | men | women | |
Duet | |||
Technical | women | mixed | |
Free | women | mixed | |
Team | |||
Technical | mixed | ||
Free | mixed | ||
Acrobatic | mixed | ||
Diving | |||
Individual | |||
1 m | men | women | |
3 m | men | women | |
10 m | men | women | |
Synchronised | |||
3 m | men | women | mixed |
10 m | men | women | mixed |
Individual & Synchronised | |||
Team | mixed | ||
High diving | |||
20 m | women | ||
27 m | men | ||
Open water swimming | |||
Individual | |||
3 km knockout sprints | men | women | |
5 km | men | women | |
10 km | men | women | |
Relay | |||
4 × 1.5 km | mixed | ||
Swimming | |||
Freestyle | |||
50 m | men | women | |
100 m | men | women | |
200 m | men | women | |
400 m | men | women | |
800 m | men | women | |
1500 m | men | women | |
Backstroke | |||
50 m | men | women | |
100 m | men | women | |
200 m | men | women | |
Breaststroke | |||
50 m | men | women | |
100 m | men | women | |
200 m | men | women | |
Butterfly | |||
50 m | men | women | |
100 m | men | women | |
200 m | men | women | |
Individual medley | |||
200 m | men | women | |
400 m | men | women | |
Freestyle relay | |||
4 × 100 m | men | women | mixed |
4 × 200 m | men | women | |
Medley relay | |||
4 × 100 m | men | women | mixed |
Water polo | |||
Tournament | men | women | |
Rosters | men | women | |
The women's 50 metre butterfly event at the 2025 World Aquatics Championships was held from 1 to 2 August 2025 at the World Aquatics Championships Arena at the Singapore Sports Hub in Kallang, Singapore. [1] [2]
Sarah Sjöström, who won the previous six world titles in the event, [3] had taken maternity leave. [4] Gretchen Walsh of the United States entered as the fastest active swimmer, having recorded 24.66 earlier in the year, making her the second woman ever to swim under 25 seconds. Her programme in Singapore included the 50 freestyle semifinal and mixed 4×100 freestyle relay on the same day as the 50 butterfly final. [5]
Japan's Rikako Ikee held a 25.41 season best and was seeking her first World Championships medal in this event. Other leading entrants included Australia’s Alexandria Perkins (25.36), the United States’ Kate Douglass (25.39), Germany’s Angelina Köhler (25.55), Sweden’s Sara Junevik (25.50), Greece’s Anna Ntountounaki (25.63), and Belgium’s Roos Vanotterdijk (25.63). [5]
Each National Federation was permitted to enter a maximum of two qualified athletes in each individual event, but they could do so only if both of them had attained the "A" standard qualification time. For this event, the "A" standard qualification time was 26.23 seconds. Federations could enter one athlete into the event if they met the "B" standard qualification time. For this event, the "B" standard qualification time was 27.15. Athletes could also enter the event if they had met an "A" or "B" standard in a different event and their Federation had not entered anyone else. Additional considerations applied to Federations who had few swimmers enter through the standard qualification times. Federations in this category could at least enter two men and two women to the competition, all of whom could enter into up to two events. [6] [7]
Swimmer | Country | Time | Competition |
---|---|---|---|
Gretchen Walsh | ![]() | 24.66 | 2025 United States Championships |
Sarah Sjöström | ![]() | 24.73 | 2024 Sette Colli |
Mélanie Henique | ![]() | 25.22 | 2024 Eindhoven meet |
Rikako Ikee | ![]() | 25.33 | 2024 Australian Championships |
Alexandria Perkins | ![]() | 25.36 | 2025 Australian Trials |
Kate Douglass | ![]() | 25.39 | Fort Lauderdale stop of the 2025 TYR Pro Swim Series |
Zhang Yufei | ![]() | 25.42 | 2024 Summer Olympics |
Vanessa Ouwehand | ![]() | 25.43 | 2025 New Zealand Championships |
Sara Junevik | ![]() | 25.50 | 2025 Swedish Championships |
Angelina Köhler | ![]() | 25.55 | 2025 Sette Colli |
Prior to the competition, the existing world and championship records were as follows. [9]
World record | ![]() | 24.43 | Borås, Sweden | 5 July 2014 |
---|---|---|---|---|
Competition record | ![]() | 24.60 | Budapest, Hungary | 29 July 2017 |
The heats took place on 1 August at 11:25. [10] [11]
The semifinals took place on 1 August at 20:24. [10] [15]
Rank | Heat | Lane | Swimmer | Nation | Time | Notes |
---|---|---|---|---|---|---|
1 | 2 | 4 | Gretchen Walsh | ![]() | 25.09 | Q |
2 | 1 | 1 | Roos Vanotterdijk | ![]() | 25.32 | Q, NR [12] |
3 | 2 | 1 | Erin Gallagher | ![]() | 25.39 | Q, NR [13] |
4 | 1 | 4 | Alexandria Perkins | ![]() | 25.52 | Q |
5 | 1 | 5 | Arina Surkova | ![]() | 25.54 | Q |
6 | 2 | 5 | Silvia Di Pietro | ![]() | 25.58 | Q |
7 | 1 | 7 | Lily Price | ![]() | 25.61 | Q |
8 | 1 | 2 | Angelina Köhler | ![]() | 25.62 | Q |
9 | 2 | 2 | Mizuki Hirai | ![]() | 25.63 | |
10 | 1 | 3 | Sara Junevik | ![]() | 25.65 | |
11 | 2 | 6 | Rikako Ikee | ![]() | 25.67 | |
12 | 1 | 8 | Wang Yichun | ![]() | 25.68 | |
13 | 2 | 8 | Taylor Ruck | ![]() | 25.71 | |
14 | 2 | 3 | Kate Douglass | ![]() | 25.74 | |
15 | 1 | 6 | Tamara Potocká | ![]() | 25.86 | |
15 | 2 | 7 | Tessa Giele | ![]() | 25.86 |
The final took place on 2 August at 19:02. [10] [16]
Rank | Lane | Name | Nationality | Time | Notes |
---|---|---|---|---|---|
![]() | 4 | Gretchen Walsh | ![]() | 24.83 | |
![]() | 6 | Alexandria Perkins | ![]() | 25.31 | =OC [17] |
![]() | 5 | Roos Vanotterdijk | ![]() | 25.43 | |
4 | 8 | Angelina Köhler | ![]() | 25.50 | NR [18] |
5 | 2 | Arina Surkova | ![]() | 25.59 | |
6 | 1 | Lily Price | ![]() | 25.61 | |
7 | 7 | Silvia Di Pietro | ![]() | 25.64 | |
8 | 3 | Erin Gallagher | ![]() | 25.66 |