Career
At the 1972 Summer Olympics in Munich, he was eliminated in the semifinals of the K-1 1000 m and K-4 1000 m events. Four years later in Montreal, Oldershaw was eliminated in the semifinals of the K-1 500 m event.
At the 1972 Summer Olympics in Munich, he was eliminated in the semifinals of the K-1 1000 m and K-4 1000 m events. Four years later in Montreal, Oldershaw was eliminated in the semifinals of the K-1 500 m event.