Swimming: Teenager Summer McIntosh smashes 400m freestyle swimming world record at Canadian trials

The 16-year-old continues her meteoric rise in the sport by breaking a record previously held by Ariarne Titmus and Katie Ledecky. Find out more below
Canada's swim star Summer McIntosh reveals the secret behind her success in our exclusive chat. And the two-time world champion talks about her relationship with water.

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Summer McIntosh sets world record in 400m freestyle at Canadian swimming trials