In 1975, Cross along with John Beattie, Robin Roberts and ian McNuff was a crew member of the Ealing High Schools coxless fours boat coached by their History Teacher David Tanner (later Sir David Tanner CBE) which won the silver medal at the World Junior Rowing Championships for Great Britain in Montreal behind East Germany and in front of West Germany. The following year he was part of the coxless four that finished 10th overall after a fourth-place finish in the B final at the 1977 World Rowing Championships in Amsterdam.