 Friday 18 June 1954 - 4 Laps (150.92 Miles) Mountain Course.The next event after the 1954 Isle of Man TT Races was the Ulster Grand Prix held at the Dundrod Circuit in Northern Ireland.In an event that was much affected by rain, Amm won the 350 cc Ulster Grand Prix at an average race speed of 83.47 mph from Jack Brett in 2nd place and Bob McIntyre in 3rd place.