At the Australian Olympic Trials, Ariarne Titmus and Mollie O’Callaghan had outstanding performances in the women’s 200m freestyle. O’Callaghan broke her own world record with a time of 1:52.48, while Titmus shattered the world record with a time of 1:52.23 seconds.

O’Callaghan, who trains alongside Titmus under coach Dean Boxall in Brisbane, has been a standout swimmer for Australia for several years now. She won silver at the 2023 World Championships and made her Olympic debut in Tokyo as a relay-only swimmer before winning gold and silver at the World Championships.

At the trials, O’Callaghan also excelled in the 100m backstroke, becoming the fourth-fastest woman in history in that event. The last Australian one-two finish in swimming at the Olympics was in 2004 by Ian Thorpa and Grant Hackett while for women it was in 1996 in the 200m butterfly. Katie Ledecky, the last U.S woman to win an Olympic or world medal in the