As a teenager she attended Cavendish Road State High School along with her siblings and as of 2007 has a house named after her. Harrop house which will go by the colour red.
Harrop competed at the first Olympic triathlon at the 2000 Summer Olympics. She placed fifth with a total time of 2:01:42.82. Her split times were 19:37.98 for the swim, 1:05:40.70 for the cycling, and 0:36:24.14 for the run.
Four years later, Harrop competed in the 2004 Summer Olympics in Athens. She was even more successful this time, winning a silver medal with the time of 2:04:50.17. The splits for that run were 18:37.00 for the swim, 1:09:05.00 for the cycling, and 37:08.00 for the run.
Harrop is married to Brad Jones who was a talented Australian rules player in the AFLQ (Queensland) competition.