Rignall ta yi gasa ne kawai a tseren mita 50 na mata
a wasannin Olympics na shekara ta 2000 a Sydney. Ta sami daidaitattun FINA A na 25.85, rikodin ƙasa, daga Gasar Jamus a Berlin. Rignall ya raba iri na tara tare da Anna-Karin Kammerling na Sweden a wasan kusa da na karshe a 25.61, amma ya rasa wani wuri don wasan karshe na 8 na karshe ta hanyar 12th na biyu. Tun da farko a cikin prelims, ta sanya lokaci na huɗu da kuma rikodin New Zealand na 25.52 daga ƙarshen zagaye na goma, ta cire kanta tare da gamawa a matsayi na bakwai.