Kammala jumla mai zuwa: Karen Tracey van Wirdum (an haife shi a ranar 9 ga Afrilu 1971) tsohuwar 'yar wasan ruwa ce daga Ostiraliya, wacce ta yi gasa a wasannin Olympics na bazara guda uku a jere don ƙasarsu, farawa a shekarar 1988. Ta lashe lambar zinare a tseren mita 100 a wasannin Commonwealth na 1990 kuma a tseren mita 50 a wasannin Commonwealth na 1990.
Wasannin Kasashen Commonwealth na shekarar 1994.