 At the 1996 Atlanta Games, Smith won a silver medal in the men's 5000 m T51.He also competed in the men's 400 m, 1500 m and marathon in T51 events.Smith won three gold medals at the 2000 Sydney Games in the men's 800 m T52, men's 1500 m T52 and men's 5000 m T52 events, for which he received a Medal of the Order of Australia.