The women's 200 metre freestyle event at the 2025 World Aquatics Championships was held from 30 to 31 July 2025 at the World Aquatics Championships Arena at the Singapore Sports Hub in Kallang, Singapore.

Background Mollie O’Callaghan of Australia was the favourite for the event, as she held the world’s fastest time in 2025 at 1:54.43. She was the defending world and Olympic champion. Siobhán Haughey of Hong Kong, a consistent finalist since 2017, also returned. Her best time from 2025 was 1:56.46.

Claire Weinstein and Erin Gemmell of the United States, Liu Yaxin of China, and Mary-Sophie Harvey of Canada are all medal contenders with season bests under 1:56. Jamie Perkins (Australia), Li Bingjie (China), and Freya Colbert (Great Britain) brought distance strength, and swimmers like Barbora Seemanová (Czech Republic), Erika Fairweather (New Zealand), Stephanie Balduccini (Brazil) aimed to reach the final.

Qualification 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 in an approved qualification event. For this event, the "A" standard qualification time was 1:58.23 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 2:02.37 seconds. 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. +Top 10 fastest qualification timesSwimmerCountryTimeCompetitionAriarne Titmus1:52.232024 Australian Olympic TrialsMollie O'Callaghan1:52.482024 Australian Olympic TrialsSummer McIntosh1:53.692024 Canadian Olympic TrialsYang Junxuan1:54.372024 Chinese ChampionshipsSiobhán Haughey1:54.52Texas stop of the 2024 TYR Pro Swim SeriesClaire Weinstein1:54.882024 Summer OlympicsLani Pallister1:54.892025 Australian TrialsKatie Ledecky1:54.97Texas stop of the 2024 TYR Pro Swim SeriesBarbora Seemanová1:55.12AP Race London 2024Erin Gemmell1:55.232025 United States Championships

Records Prior to the competition, the existing world and championship records were as follows.

Heats The heats took place on 29 July at 10:26.

RankHeatLaneSwimmerNationTimeNotes 1 5 3 Erika Fairweather 1:56.54 Q 2 5 5 Erin Gemmell 1:56.74 Q 3 5 4 Mollie O'Callaghan 1:57.04 Q 4 3 5 Jamie Perkins 1:57.08 Q 5 3 4 Barbora Seemanová 1:57.13 Q 6 5 6 Liu Yaxin 1:57.33 Q 7 4 4 Claire Weinstein 1:57.38 Q 8 3 2 Aimee Canny 1:57.53 Q 8 3 3 Freya Colbert 1:57.53 Q 8 5 7 Ella Jansen 1:57.53 Q 11 4 3 Li Bingjie 1:57.57 Q 12 3 6 Lilla Minna Ábrahám 1:57.65 Q 13 4 5 Mary-Sophie Harvey 1:57.72 Q 14 5 2 Maria Fernanda Costa 1:57.94 Q 15 5 9 Jo Hyun-ju 1:58.10 Q, NR 16 4 2 Stephanie Balduccini 1:58.28 Q 17 3 8 Iris Julia Berger 1:58.54 18 3 1 Nagisa Ikemoto 1:58.61 19 4 6 Nikolett Pádár 1:58.62 20 5 0 Francisca Soares Martins 1:58.67 21 4 1 Milana Tapper 1:58.75 22 5 8 Waka Kobori 1:59.06 23 3 0 Lea Polonsky 1:59.11 23 5 1 Snæfríður Jórunnardóttir 1:59.11 25 4 8 Bianca Nannucci 1:59.24 26 3 7 Leah Schlosshan 1:59.40 26 4 0 Maya Werner 1:59.40 28 3 9 Sofia Åstedt 1:59.82 29 2 3 Elisabeth Ebbesen 2:00.36 30 2 5 Batbayaryn Enkhkhüslen 2:01.14 31 2 4 Maria Victoria Yegres Cottin 2:01.15 32 4 7 Janja Šegel 2:01.18 33 2 7 Femke Spiering 2:01.20 34 4 9 Wiktoria Guść 2:01.26 35 2 6 Camille Henveaux 2:02.37 36 2 0 Kamonchanok Kwanmuang 2:03.05 37 2 9 Sasha Gatt 2:04.16 NR 38 2 8 Isabella Dieffenthaller 2:05.58 39 2 1 Andrea Becali 2:07.65 40 1 4 Harper Barrowman 2:08.28 41 1 1 Hiruki de Silva 2:09.23 42 1 5 Jehanara Nabi 2:09.88 43 1 3 Bianca Mitchell 2:11.40 44 1 6 Duana Lama 2:13.40 45 1 7 Aiymkyz Aidaralieva 2:14.18 46 1 2 Osiyokhon Redjapova 2:16.86 2 2 Gan Ching Hwee Did not start

Semifinals The semifinals took place on 29 July at 20:12.

RankHeatLaneSwimmerNationTimeNotes 1 2 6 Claire Weinstein 1:54.69 Q 2 2 5 Mollie O'Callaghan 1:55.49 Q 3 2 4 Erika Fairweather 1:55.52 Q 4 2 3 Barbora Seemanová 1:55.63 Q 5 1 5 Jamie Perkins 1:55.89 Q 6 2 2 Freya Colbert 1:55.91 Q 7 2 7 Li Bingjie 1:55.98 Q 8 1 4 Erin Gemmell 1:56.03 Q 9 1 3 Liu Yaxin 1:56.37 10 1 7 Lilla Minna Ábrahám 1:56.70 11 1 2 Ella Jansen 1:57.60 12 1 6 Aimee Canny 1:57.72 13 1 8 Stephanie Balduccini 1:57.87 14 1 1 Maria Fernanda Costa 1:58.43 15 2 1 Mary-Sophie Harvey 1:58.57 16 2 8 Jo Hyun-ju 1:58.72

Final The final took place on 30 July at 19:18.

Rank Lane Name Nationality Time Notes 5 Mollie O'Callaghan 1:53.48 1 Li Bingjie 1:54.52 4 Claire Weinstein 1:54.67 4 7 Freya Colbert 1:55.06 NR 5 6 Barbora Seemanová 1:55.20 6 3 Erika Fairweather 1:55.61 7 2 Jamie Perkins 1:56.55 8 8 Erin Gemmell 2:00.16

References