Emma McKeon was a key member of the Australian team which won gold in the 4x100m freestyle relay.
Australia has won the Olympic women's 4x100m freestyle relay gold medal at the Tokyo Olympics in a world-record time.
Flagbearer Cate Campbell, Emma McKeon, Meg Harris and Bronte Campbell torched their opposition to win Sunday's final in three minutes 29.69 seconds at the Tokyo Aquatics Centre.
The time bettered Australia's previous world benchmark of 3:30.05 set at the 2018 Commonwealth Games.
Australian Associated Press
