| 1949 | Richmond Trophy | Privato | Maserati | 4CL | Maserati | ab |
| | Jersey Road Race | Privato | Maserati | 4CL | Maserati | 10 |
| | British Grand Prix | Privato | Maserati | 4CL | Maserati | ab |
| | British Empire Trophy | Privato | Maserati | 4CL | Maserati | ab |
| | Grand Prix de l’Albigeois | Privato | Maserati | 4CL | Maserati | 8 |
| | Grand Prix de France | Privato | Maserati | 4CL | Maserati | ab |
| | International Trophy | Privato | Maserati | 4CL | Maserati | 18 |
| | Grand Prix de Lausanne | Privato | ERA | B | ERA | 9 |
| | Gran Premio d’Italia | Reg Parnell Racing | Maserati | 4CLT/48 | Maserati | ab |
| | Velka cena Ceskoslovenska | Reg Parnell Racing | Maserati | 4CLT/48 | Maserati | ab |
| 1950 | British Empire Trophy | Scuderia Ambrosiana | ERA | B | ERA | ab |
| | Jersey Road Race | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | ab |
| | Grote Prijs van Nederland | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | 6 |
| | Grand Prix des Nations | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | ab |
| | Ulster Trophy | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | f |
| | International Trophy | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | ab |
| | Gran Premio de Penya Rhin | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | 9 |
| 1951 | Richmond Trophy | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | ab |
| | Gran Premio di San Remo | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | 9 |
| | International Trophy | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | 21 |
| | Ulster trophy | Scuderia Ambrosiana | Maserati | 4CLT/48 | Maserati | 6 |
| | Gran Premio di Pescara | Scuderia Ambrosiana | Ferrari | 125 | Ferrari | 8 |
| | Gran Premio di Bari | Scuderia Ambrosiana | Ferrari | 125 | Ferrari | f |
| 1952 | Richmond Trophy | Scuderia Ambrosiana | Ferrari | 125 | Ferrari | f |
| | Lavant Cup | Scuderia Ambrosiana | Ferrari | 125/166 | Ferrari | f |
| | Ibsley F2 Race | Scuderia Ambrosiana | Ferrari | 125/166 | Ferrari | f |
| | Daily Express International Trophy | Scuderia Ambrosiana | Ferrari | 125 | Ferrari | f |
| | National Trophy | Ecurie Ecosse | Cooper | T20 | Bristol | f |