August 21, 1947 | 1st Manx Cup | Isle of Man Circuit, Douglas, Isle of Man | FIA Voiturette | Birabongse Bhanudej Bhanubandh |
August 21, 1947 | 9th British Empire Thophy | Isle of Man Circuit, Douglas, Isle of Man | FIA Formula One | Bob Gerard |
May 25, 1948 | 10th British Empire Trophy | Isle of Man Circuit, Douglas, Isle of Man | FIA Formula One | Geoffrey Ansell |
May 26, 1949 | 11th British Empire Trophy | Isle of Man Circuit, Douglas, Isle of Man | FIA Formula One | Bob Gerard |
June 15, 1950 | 12th British Empire Trophy | Isle of Man Circuit, Douglas, Isle of Man | FIA Formula One | Bob Gerard |