Australian Ian Thorpe becomes the first swimmer to win six gold medals at a single World Championship meeting.

Ian James Thorpe is an Australian retired swimmer who specialised in freestyle, but also competed in backstroke and the individual medley. He has won five Olympic gold medals, the second most won by any Australian after fellow swimmer Emma McKeon. With three gold and two silver medals, Thorpe was the most successful athlete at the 2000 Summer Olympics, held in his hometown of Sydney.