Australian Olympic swimming champion Ariarne Titmus has been given a shocking reminder of the enormous challenge she faces getting back to the top after Canadian teenage sensation Summer McIntosh just ...

Summer McIntosh has crushed Ariane Titmus' 400-metre freestyle world record in a major statement. The teenage sensation recorded a time of 3:54.18 at the Canadian Swimming Trials on Sunday (AEST).

Australia’s swimmers have been warned there’s a dangerous predator lurking in the waters, with Canadian teenager Summer McIntosh obliterating one of Ariarne Titmus’ world records.

Already unrivalled as the world’s best female swimmer, the 18-year-old McIntosh wiped more than a second of Titmus’ old record of 3:55.38, which she set at the 2023 world championships ...