At the following Games in Edmonton 1978 he came 30th in the men"s road race. He competed at the 1972 Summer Olympics in the men"s team pursuit finishing in 14th position. Stockwell currently owns and manages a bike shop (Lifecycle) in Brisbane, Australia.
He won three bronze medals representing New Zealand at the Commonwealth Games. At the 1970 British Commonwealth Games he won the bronze medal in the men"s individual pursuit over 4000 m. Four years later at the 1974 British Commonwealth Games in Christchurch he won a bronze riding as part of the team pursuit. Stockwell won his third bronze at the 1982 Brisbane Games in the men"s team time trial. Stockwell (1972, 1980 and 1984) and Jack Swart are the only cyclists to have won the Dulux North Island Tour three times.
In the 1982 Queen"s Birthday Honours Stockwell was appointed a Member of the Order of the British Empire, for services to cycling.
