Petra Zahrl (fanau Aperila 4, 1981) o se Ausetalia muamua aau, o le na faapitoa i freestyle ma butterfly tauvaga. Talu mai le 2009, o loʻo ia umia nei fa faʻamaumauga a Ausetalia i le freestyle ma le medley relays. Na ia mauaina foi se pine apamemea i le 200 m butterfly (2:09.29) i le 2000 European Short Course Swimming Championships
i Valencia i Sepania.