By Sam Blacker on SwimSwam
2025 World Championships
July 27 – August 3, 2025 (pool swimming) Singapore, Singapore World Aquatics Championships Arena LCM (50m) Meet Central How To Watch SwimSwam Preview Index Entry Book Live Results Live Recaps Prelims: Day 1 | Day 2 | Day 3 | Day 4 | Day 5 | Day 6 | Day 7 | Day 8 Finals: Day 1 | Day 2 | Day 3 | Day 4 | Day 5 | Day 6 | Day 7 | Day 8Women’s 4×100 Medley Relay — Final
World Record: 3:49.63 — United States (Smith, King, G. Walsh, Huske) (2024) World Junior Record: 3:58.38 — Canada (Hannah, Knelson, Oleksiak, Ruck) (2017) Championship Record: 3:50.40 — United States (Smith, King, Dahlia, Manuel) (2019) 2023 World Champion: United States (Smith, King, G. Walsh, Douglass) — 3:52.08 2024 Olympic Champion: United States (Smith, King, G. Walsh, Huske) — 3:52.08Final:
The U.S. soared to gold in a World Record tonight, posting the fastest split in the field on all bar one leg of this relay. Australia were a comfortable second, sent on their way by Kaylee McKeown‘s leadoff, while Yujie Cheng anchored China to bronze over Canada and NAB to win her second medal of the night after placing 3rd in the 50 free.
Germany finished just 0.23 seconds off their supersuited National Record, and were in the hunt for the podium thanks to a rapid breaststroke split from 100 breast champ Anna Elendt. Great Britain and Japan were locked in a battle for 7th down the stretch, with Japan ultimately holding on
Backstroke
Regan Smith, USA – 57.57 Kaylee McKeown, AUS – 57.69 Kylie Masse, CAN – 58.77 Lauren Cox, GBR – 59.59 Alina Gaufutdinova, NAB – 59.87 Peng Xuwei, CHN – 59.94 Lise Seidel, GER – 1:01.02 Miki Takahashi, JPN – 1:01.78Regan Smith and Kaylee McKeown were locked in their own personal battle on the leadoff leg. Smith held on down the second 50 after going out 27.78 to McKeown’s 28.15, touching in 57.57 to give the U.S. the lead by 0.12 seconds. That continued a curious streak for Smith – despite being yet to defeat McKeown head-to-head in the individual 100 backstroke, she has won their battle on the medley relay leadoff five years on the bounce.
Kylie Masse was the only other woman to break 59 seconds, although Great Britain’s Lauren Cox clipped her PB by a hundredth as the fourth-fastest backstroker. Alina Gaufutdinova also set a new best, breaking 1:00 for the first time, while China’s Peng Xuwei added nearly a second from the 59.10 she went in to finish 5th individually.
Breaststroke
Kate Douglass, USA – 1:04.27 Anna Elendt, GER – 1:04.90 Tang Qianting, CHN – 1:05.48 Satomi Suzuki, JPN – 1:05.57 Evgeniia Chikunova, NAB – 1:06.19 Angharad Evans, GBR – 1:06.38 Ella Ramsay, AUS – 1:06.49 Sophie Angus, CAN – 1:06.52We had two 1:04s here, coming from the top two finishers in the individual 100 breast, and both of those swimmers went out under 30 seconds. Kate Douglass held on better to split 1:04.27, putting the U.S. under World Record pace at the halfway point with a 2.3 second buffer on Australia. That was the #5 split ever, and #2 U.S. split all-time behind Lilly King’s 1:04.15 from 2017.
Elendt moved Germany up from 7th to 5th, within a second of Canada in 3rd. Tang Qianting and Satomi Suzuki split 1:05-mid, although for Suzuki it was not enough to make up any places as Japan stayed in 8th.
Great Britain’s Angharad Evans was around a second slower than her flat start best and three-tenths slower than this morning, as they dropped two places. Evgeniia Chikunova was also more than a second off her Russian Record with a split of 1:06.19, while Ella Ramsay kept Australia ahead of the chasing pack with a 1:06.49, half a second faster than Sienna Toohey was this morning.
Butterfly
Gretchen Walsh, USA – 54.98 Daria Klepikova, NAB – 55.95 Alexandria Perkins, AUS – 56.26 Zhang Yufei, CHN – 56.32 Mizuki Hirai, JPN – 56.46 Angelina Koehler, GER – 56.88 Summer McIntosh, CAN – 57.35 Emily Richards, GBR – 58.12Gretchen Walsh swam the fastest 100 fly split in history here, cracking the 55-second barrier for the first time on a flying start. The previous best had been held by both Walsh and Sarah Sjoestrom in 55.03, Walsh from last year and Sjoestrom from the 2017 world championships.
Daria Klepikova almost exactly matched her split on the mixed medley relay (55.95) to go 55.97, just quicker than 100 fly bronze medalist Alexandria Perkins and 4th-place finisher Zhang Yufei. Mizuki Hirai and Angelina Koehler, also part of that 100 fly final, broke 57 seconds as well.
Summer McIntosh swam the fly leg just half an hour after winning the 400 IM, and was around her flat start best in 57.35, the second-slowest leg in the field.
Freestyle
Mollie O’Callaghan, AUS – 52.23 Torri Huske, USA – 52.52 Taylor Ruck, CAN – 52.99 Yujie Cheng, CHN – 53.03 Daria Trofimova, NAB – 53.16 Nina Holt, GER – 53.22 Nagisa Ikemoto, JPN – 53.82 Freya Anderson, GBR – 53.86There were just three 52-point splits tonight, led by Mollie O’Callaghan’s 52.23 anchor for Australia, The U.S. got a 52.52 from Torri Huske, who has looked better as the meet has gone on after anchoring the 4×100 free in 52.88 on Day 1. She was also 52.43 on the final leg of the World-Record-setting mixed 4×100 free relay last night, and has been an integral part of two of the three World Records set here in Singapore.
Taylor Ruck was 52-point once again after splitting 52.94 on the mixed medley relay, but Daria Trofimova could not back up her 52.68 or 52.42 splits from the mixed medley and mixed free relays respectively, posting a time of 53.16.
Yujie Cheng was faster than Wu Qingfeng was this morning in 53.03, while Nina Holt swam her best split of the meet for Germany in 53.22 as they finished in 3:56.02, just 0.23 off their National Record from 2009.
Japan’s Nagisa Ikemoto and Great Britain’s Freya Anderson were almost stroke-for-stroke down the final 100, splitting 53.82 and 53.86 as Japan eked out a win over the British team by 0.32 seconds.
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