Racing career Mike Hawthorn made his competition debut on 2 September 1950 in his 1934 Riley Ulster Imp, KV 9475, winning the 1,100 cc sports car class at the Brighton Speed Trials.Motor Sport, October 1950, Page 493; Motor Sport, August 1951, Page 379. In 1951, driving a -litre T.T. Riley, he entered the Motor Sport Brooklands Memorial Trophy, a season-long contest run at Goodwood, winning it by one point.Motor Sport, September 1951, Page 432. He also won the Ulster Trophy Handicap at Dundrod and the Leinster Trophy at Wicklow that year.Motor Sport, January 1952, Page 11.
racing career mike hawthorn made his competition debut on 2 september 1950 in his 1934 riley ulster imp kv 9475 winning the 1100 cc sports car class at the brighton speed trialsmotor sport october 1950 page 493; motor sport august 1951 page 379 in 1951 driving a -litre tt riley he entered the motor sport brooklands memorial trophy a season-long contest run at goodwood winning it by one pointmotor sport september 1951 page 432 he also won the ulster trophy handicap at dundrod and the leinster trophy at wicklow that yearmotor sport january 1952 page 11