Eddie Smart represented Wales at the Commonwealth Games in Kingston, Jamaica, in 1966. He competed in the Scratch Race, Kilo, Sprint, Individual Pursuit and Road Race.

Smart later became a coach and kept a garage on Maindy Road, Cardiff. He and his friend Steve Jones were tragically killed in a car accident on the M4 in Berkshire. The Eddie Smart Memorial Shield is presented to the best Welsh rider at the annual Junior Tour of Wales.