Mollie O'Callaghan

At the 2020 Tokyo Olympics, O'Callaghan swam in the preliminaries of all three women's relays, contributing to two gold medals and one bronze for Australia. Her breakthrough came at the 2024 Paris Olympics, where she won gold in the 200m freestyle with an Olympic record of 1:53.27, beating teammate Ariarne Titmus. She also took gold in the 4x100m freestyle relay, silver in the 4x200m freestyle relay, and bronze in the 100m freestyle, making her Australia's most decorated athlete at those Games. At the 2023 World Aquatics Championships in Fukuoka, she became the first woman to win both the 100m and 200m freestyle titles at a single world championship, setting a world record of 1:52.85 in the 200m. She was also part of three world-record-setting relay teams.

O'Callaghan trains under coach Dean Boxall at St Peters Western Swim Club in Brisbane. She has spoken openly about struggling with anxiety before major competitions and credits her coach, psychologist, and family for helping her manage. For her contributions to sport, she received the Medal of the Order of Australia in 2022. Standing 5'7" with red hair and brown eyes, she has a left nipple piercing and is known for her athletic build. She has amassed a following of 100k on Instagram. At 22, she continues to compete at the highest level.