Kammala jumla mai zuwa: Heinz ya fara gasar Olympics, yana da shekaru 19, a gasar Olympics ta 2000 a Sydney, yana gasa a cikin mita 50 da mita 100. Da farko, Heinz ya taɓa Pilin Tachakittiranan na Thailand don ɗaukar matsayi na huɗu a zafin jiki uku na tseren mita 100 na mata ta hanyar 0.14 na biyu a cikin 58.55. A gasar ta ta biyu,
50 m freestyle, Heinz ya kama wuri na biyar ta kashi biyu na biyu a gaban Caroline Pickering na Fiji a 26.55, amma ya kasa zuwa wasan kusa da na karshe, inda ya sanya na talatin da hudu a cikin safiya. Heinz kuma ya yi aiki a matsayin mai ɗaukar tutar Luxembourg a bikin buɗewa.