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.
Summer McIntosh held off 400m freestyle podium, Titmus sets new world record
Summer McIntosh Reflects on First World Record: It's basically any athlete's dream
McIntosh breaks Titmus' 400m freestyle world record
16-Year-Old Summer McIntosh Breaks the World Record in the 400 Free at Canadian Trials
Canada's Summer McIntosh wins! Defends world title in women's 400m individual medley
McIntosh breaks Titmus's 400m freestyle world record
McIntosh breaks Titmus 400m freestyle world record, The Courier
Summer McIntosh breaks 400m medley World Record, second WR in five days - Sportstar
Summer Sings A Song Of Swimming Greatness With 4:25.87 World 400m Medley Mark - StateOfSwimming
Swimming news 2023, Ariarne Titmus reacts to Summer McIntosh breaking 400m freestyle world record
Summer McIntosh Breaks 400M Individual Medley World Record, Extends Historic Week, NBC Sports
Summer McIntosh: 16-year-old super swimmer breaks two world records - BBC Newsround
Swimming: Teenager Summer McIntosh smashes 400m freestyle swimming world record at Canadian trials