![Swimming Stats on Twitter: "During the first day of the 2023 Canadian Team Trials in Toronto, 16-year-old Summer McIntosh broke the world record in the women's 400 freestyle. McIntosh swam 3:56.08 to Swimming Stats on Twitter: "During the first day of the 2023 Canadian Team Trials in Toronto, 16-year-old Summer McIntosh broke the world record in the women's 400 freestyle. McIntosh swam 3:56.08 to](https://pbs.twimg.com/ext_tw_video_thumb/1640905263799517185/pu/img/NiwprwhyNTXWKDdc.jpg:large)
Swimming Stats on Twitter: "During the first day of the 2023 Canadian Team Trials in Toronto, 16-year-old Summer McIntosh broke the world record in the women's 400 freestyle. McIntosh swam 3:56.08 to
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Summer McIntosh breaks another world record with win in 400m individual medley at trials - The Globe and Mail
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Summer McIntosh, Canada's 16-year-old swim star, smashes world record in women's 400m freestyle | Daily Mail Online
Swimming World Records | Men's 400m Freestyle | Paul Biedermann | Don't miss out 🇩🇪 Paul Biedermann's Gold Medal performance in the Men's 400m Freestyle at the 2009 edition of the FINA
![Australia's Titmus smashes Ledecky's 400m freestyle world record | More sports News - Times of India Australia's Titmus smashes Ledecky's 400m freestyle world record | More sports News - Times of India](https://static.toiimg.com/photo/msid-91723591/91723591.jpg)
Australia's Titmus smashes Ledecky's 400m freestyle world record | More sports News - Times of India
![New World Record | Women's 400m Freestyle Ariarne Titmus | 2022 Australian Swimming Championships - YouTube New World Record | Women's 400m Freestyle Ariarne Titmus | 2022 Australian Swimming Championships - YouTube](https://i.ytimg.com/vi/-d7IZAJqXi0/maxresdefault.jpg)