A national champion for many years, Fairhall won medals and held titles at the Paralympics, IPC-Archery World Championships and many international tournaments. She participated in four Summer Paralympics, in 1972, 1980, 1988, and 2000. At her first Paralympic Games she competed in track and field athletics. At the 1980 Games, she took part in both athletics and archery, winning a gold medal in the latter sport. At the 1988 and 2000 Paralympics she competed in archery only.