Canadian swim star Summer McIntosh won the women’s 400-metre individual medley for her fourth gold medal of the world championships in Singapore, capping one of the most dominant weeks in the sport’s history.18-year-old from Toronto clocks 4:25.78 to break her own championship recordCBC Sports · Posted: Aug 03, 2025 4:00 AM EDT | Last Updated: 1 hour agoCanada’s Summer McIntosh, centre, is flanked by silver medallist Jenna Forrester of Australia, left, and bronze medallist Mio Narita of Japan, right, after the women’s 400-metre individual medley final at the World Aquatics Championships in Singapore on Sunday. (Vincent Thian/The Associated Press)Canadian swim star Summer McIntosh won the women’s 400-metre individual medley for her fourth gold medal of the world championships in Singapore, capping one of the most dominant weeks in the sport’s history.The 18-year-old from Toronto broke her own championship record with a time of four minutes 25.78 seconds in Sunday’s final.Australia’s Jenna Forrester and Japan’s Mio Narita tied for silver, finishing 7.5 seconds behind McIntosh.Yu Zidi, the 12-year-old phenom from China, finished fourth in 4:33.76.WATCH l McIntosh breaks her own championship record in 400m IM: Summer McIntosh sets championship record in 400m IM final at the World Aquatics ChampionshipsThe 18-year-old Olympic champion finished with a time of 4:25.78 to set a new championship record in the women’s 400m individual medley final at the 2025 World Aquatics Championships in Singapore.McIntosh shaved 1.3 seconds off her previous record from the 2023 worlds in Fukuoka, Japan.She has won five individual medals in Singapore, also taking gold in the 400m freestyle, 200m medley and 200m butterfly, along with bronze in the 800m free.McIntosh is only the second woman in history to win four solo titles at a single long-course worlds, following American great Katie Ledecky in 2015. Ledecky ended McIntosh’s bid to join Michael Phelps as the only swimmers to win five by claiming gold in the 800 free ahead of Australia’s Lani Pallister on Saturday.She is also just the third swimmer to win five individual medals at a world championships, joining Phelps and Sweden’s Sarah Sjostrom.”I think it was very obvious that my goal was five golds. I just wanted to get my hand on the wall the first five times I fell short of that,” McIntosh said. “I think it’s just going to keep me hungry and push me more than any other meet ever.”And that says a lot, and the things I’m learning about the most is going to make me hungry moving into next season and into L.A.”WATCH l McIntosh reflects on dominant performance at worlds: Summer McIntosh reflects on dominant performance at the World Aquatics ChampionshipsThe swimming superstar chatted with CBC Sports’ Devin Heroux at the conclusion of the 2025 World Aquatics Championships in Singapore. McIntosh collected four gold medals and five individual medals overall at the championships.McIntosh also won the world title in the 400m medley in 2022 and 2023. She is the reigning Olympic champion and world-record holder, having clocked 4:23.65 to lower her own mark at the Canadian trials in June.She now has 13 career world-championship medals, with eight gold, one silver and four bronze.WATCH l CBC Sports’ The Ready Room recaps final day of swimming finals: Summer McIntosh claims 4th GOLD at World Aquatics Championships | The Ready RoomJoin the conversation as Brittany MacLean Campbell & Devin Heroux recap all the action in the pool at the swimming world championships in Singapore. In other Canadian results, Blake Tierney, Oliver Dawson, Ilya Kharun and Josh Liendo finished fifth in the men’s 4x100m medley relay later Sunday in 3:29.75, breaking the national record for the second time in one day.”We’re only going to get stronger the next three years,” said Tierney, the oldest member of the group at 23. Liendo is 22, Kharun is 20 and Dawson is making his world long-course debut at 17. “We’re all quite young in our career and I think we’ll be primed for [the 2028 Olympics].”WATCH l McIntosh’s coach discusses what it means to coach her: Summer McIntosh’s coach Fred Vergnoux on what it means to coach herCBC reporter Devin Heroux caught up with Summer McIntosh’s coach Fred Vergnoux ahead of her final race at the world aquatics championship to reflect on her historic week in the pool.McIntosh returned to the pool for the women’s 4×100 medley relay, the final race of the world championships. She helped Canada finish fifth in 3:55.63, alongside Kylie Masse, Sophie Angus and Taylor Ruck.The American team consisting of Regan Smith, Kate Douglass, Gretchen Walsh and Torri Huske won gold, lowering their own world record to 3:49.34.WATCH l U.S. sets world record in women’s 4x100m medley relay: USA sets world record in women’s 4x100m medley relay at the World Aquatics ChampionshipsThe American team of Regan Smith, Kate Douglass, Gretchen Walsh and Torri Huske finished with a time of 3:49.34 to set a new world record in the women’s 4x100m medley relay discipline to close out the 2025 World Aquatics Championships in Singapore.Canada won eight swimming medals at the World Aquatics Championships. Adding to the tally were Montreal’s Ilya Kharun in the men’s 100 butterfly, Mary-Sophie Harvey, of Laval, Que., in the women’s 200 individual medley, and the 4×100 mixed medley relay team — all earning bronze.Montreal’s Simone Leathead added a silver in the women’s 20-metre high dive, her first career medal at worlds.The United States topped the medal table with nine gold medals and 29 overall, ahead of Australia with eight gold and 20 overall. France and Canada were next in the gold-medal count with four.WATCH l CBC Sports’ The Ready Room recaps 800m free final: Summer McIntosh settles for bronze, Katie Ledecky reigns supreme in 800 free final | The Ready RoomThe excitement was palpable as the two juggernauts of the sport Katie Ledecky & Summer McIntosh went head-to-head in the 800 free final. Here we break down the race, and hear from both Ledecky and McIntosh post race. Ilya Kharun also captured bronze in the pool, his first-ever long course world medal.Other resultsKliment Kolesnikov of the Neutral Athletes won the men’s 50 backstroke on Sunday in 23.68. Kolesnikov holds the world record (23.55). Pieter Coetze of South Africa and Pavel Samusenko of the Neutral Athletes tied for silver (24.17).Ruta Meilutyte of Lithuania, the world record holder, claimed the 50 breaststroke (29.55) with silver for Tang Qianting of China (30.03) and bronze to Benedetta Pilato of Italy (30.14).Meg Harris of Australia took the women’s 50 free (24.02). Harris was also the silver medallist in the same event in the Paris Olympics. China claimed the next two places with Wu Qingfeng (24.26) taking silver and bronze for Cheng Yujie (24.28).Ahmed Jaouadi of Tunisia, winner of the 800 free, added the 1,500 title on Sunday (14:34.41) with silver for Sven Schwarz of Germany (14:35.69) and bronze for American Finke (14:36.60).France’s Leon Marchand won the 400 IM but didn’t break his own world record. Marchand won in 4:04.73, just off the world mark he set two years ago in Fukuoka, Japan (4:02.50). Tomoyuki Matsushita of Japan took silver (4:08.32) with bronze for Ilia Borodin of the Neutral Athletes (4:09.16).Marchand, earlier in the championships, shattered the 200 IM mark in 1:52.69. The old mark was 1:54.00 set 14 years ago by Lochte.With files from Swimming Canada, The Canadian Press and The Associated Press
Summer McIntosh captures 4th gold of swimming worlds, winning 400m individual medley
