| 1950 | Isle of Man TT · Grand Prix | Norton | 7 | | Classified |
| 1950 | Belgian Grand Prix · Grand Prix | Norton | 9 | | Classified |
| 1950 | Dutch TT · Grand Prix | Norton | — | | Ret |
| 1950 | Ulster Grand Prix · Grand Prix | Norton | 4 | | Classified |
| 1950 | Nations Grand Prix · Grand Prix | Norton | 6 | | Classified |
| 1953 | Isle of Man TT · Grand Prix | Gilera | — | | Ret |
| 1953 | Dutch TT · Grand Prix | Gilera | — | | Ret |
| 1953 | Belgian Grand Prix · Grand Prix | Gilera | 6 | | Classified |
| 1953 | French Grand Prix · Grand Prix | Gilera | 8 | | Classified |
| 1953 | Swiss Grand Prix · Grand Prix | Gilera | 7 | | Classified |
| 1953 | Nations Grand Prix · Grand Prix | Gilera | 2 | | Classified |
| 1953 | Spanish Grand Prix · Grand Prix | Gilera | 3 | | Classified |
| 1954 | Isle of Man TT · Grand Prix | MV Agusta | 7 | | Classified |
| 1954 | Dutch TT · Grand Prix | MV Agusta | 5 | | Classified |
| 1954 | German Grand Prix · Grand Prix | MV Agusta | 20 | | Classified |
| 1954 | Nations Grand Prix · Grand Prix | MV Agusta | 4 | | Classified |
| 1954 | Spanish Grand Prix · Grand Prix | MV Agusta | 1 | | Classified |
| 1955 | Spanish Grand Prix · Grand Prix | Moto Guzzi | — | | Ret |
| 1955 | Ulster Grand Prix · Grand Prix | Moto Guzzi | 3 | | Classified |
| 1956 | Isle of Man TT · Grand Prix | Moto Guzzi | — | | Ret |
| 1957 | German Grand Prix · Grand Prix | Moto Guzzi | 4 | | Classified |
| 1957 | Isle of Man TT · Grand Prix | Moto Guzzi | 4 | | Classified |
| 1958 | Isle of Man TT · Grand Prix | BMW | 10 | | Classified |
| 1958 | Dutch TT · Grand Prix | BMW | 5 | | Classified |
| 1958 | Belgian Grand Prix · Grand Prix | BMW | 5 | | Classified |
| 1958 | German Grand Prix · Grand Prix | BMW | 5 | | Classified |
| 1958 | Swedish Grand Prix · Grand Prix | BMW | 2 | | Classified |
| 1958 | Ulster Grand Prix · Grand Prix | BMW | 6 | | Classified |
| 1958 | Nations Grand Prix † · Grand Prix | BMW | 4 | | Classified |
| 1959 | French Grand Prix · Grand Prix | BMW | 4 | | Classified |
| 1959 | Isle of Man TT · Grand Prix | BMW | — | | Ret |
| 1959 | German Grand Prix · Grand Prix | BMW | — | | Ret |
| 1959 | Dutch TT · Grand Prix | BMW | 4 | | Classified |
| 1959 | Belgian Grand Prix · Grand Prix | BMW | 8 | | Classified |
| 1959 | Ulster Grand Prix · Grand Prix | BMW | 7 | | Classified |
| 1959 | Nations Grand Prix†† · Grand Prix | BMW | — | | Ret |
| 1960 | Isle of Man TT · Grand Prix | Norton | 5 | | Classified |
| 1960 | Dutch TT · Grand Prix | Norton | 6 | | Classified |
| 1960 | Belgian Grand Prix · Grand Prix | Norton | 12 | | Classified |
| 1960 | German Grand Prix · Grand Prix | Norton | 4 | | Classified |
| 1960 | Ulster Grand Prix · Grand Prix | Norton | 7 | | Classified |
| 1960 | Nations Grand Prix · Grand Prix | Norton | 9 | | Classified |