In 1997, Fearnley was a member of the Western Region Academy of Sport and by the 2000 Sydney Paralympics was representing Australia. At these Games, Fearnley won two silver medals in the 800 m and 4×100 m relay events. He also represented his country in the demonstration sport of Men's 1500 m wheelchair, where he came 4th. He went to the 2002 IPC Athletics World Championships in Birmingham, England and finished 7th in both the 400 m and 800 m T54 events.