At the 1968 Tel Aviv Games, she won a silver medal in the Women's 50 m Freestyle class 5 (cauda equina) event and two bronze medals in the Women's 60 m Wheelchair C and Women's Pentathlon special class events. She retired from Paralympic competition in 1968. Hilton retired from Paralympic sport with a total of 14 medals which was a record not passed by any Australian Paralympic athlete until 2000.