Tuhia he tomokanga mō tēnei whārangi - I eke a Heinz ki te whakataetae Olympic, i te tau 19, i te 2000 Summer Olympics i Hīnia, e whakataetae ana i te 50 me te 100 mita huruhuru. Tuatahi, i pa atu a Heinz ki a Pilin Tachakittiranan o Thailand ki te tango i te tuawha o nga waahi i roto i te wera e toru o nga wahine 100 mita koreutu mo te 0.14 o te tuarua i te 58.55. I tana whakataetae tuarua, 50 m freestyle
, Heinz i mau i te wahi tuarima e rua rau o te tuarua i mua o te Caroline Pickering o Fiji i roto i te 26.55, engari i taka ki te haere ki te haurua whakamutunga, te whakatakoto i te toru tekau ma wha katoa i runga i te prelims ata. I mahi hoki a Heinz hei kaikawe haki o Luxembourg i te huihuinga whakatuwhera.