Giaan Rooney OAM (born 15 November 1982) is an Australian swimmer who won a gold medal in world record time with her teammates Leisel Jones, Petria Thomas, and Jodie Henry at the Athens Olympics in the Women's 4 x 100 metre Medley Relay.
Giaan swum a personal best and new Australian record time of 1:01.18 to help Australia to the Gold - the maiden victory by Australia in this event in Olympic history.
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