Career
Rignall competed only in the women"s 50 m freestyle at the 2000 Summer Olympics in Sydney. Rignall shared a ninth seed with Sweden"s Anna-Karin Kammerling in the semifinals at 25.61, but missed a spot for the top 8 final by 12-hundredths of a second. Earlier in the prelims, she posted fourth-seeded time and a New Zealand record of 25.52 from the final of ten heats, pulling herself off with a seventh-place finish.