August 21, 1947       1st Manx Cup      Isle of Man Circuit, Douglas, Isle of Man      FIA Voiturette      B. Bira
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