HWM 1949-1950
1949
| GARA | N. | PILOTA | SCUDERIA | MODELLO | MOTORE | POS | |
| 5 | III Jersey Road Race | 26 | John HEATH | HWM Motors | HWM HS1 | Alta L4 | 12 |
1950
| GARA | N. | PILOTA | SCUDERIA | MODELLO | MOTORE | POS | |
| 1 | II Richmond Trophy | 5 | George ABECASSIS | HW Motors | HWM 50 | Alta L4 c | 6 |
| 4 | IV Grand Prix de Paris | 16 | George ABECASSIS | HW Motors | HWM 50 | Alta L4 | ab |
| 17 | Stirling MOSS | HW Motors | HWM 50 | Alta L4 | ab | ||
| 5 | XII British Empire Trophy | 17 | Anthony BARING | Privato | HWM 50 | Alta L4 | f |
| 6 | IV Gran Premio di Bari | 10 | Lance MACKLIN | HW Motors | HWM 50 | Alta L4 | ab |
| 20 | Stirling MOSS | HW Motors | HWM 50 | Alta L4 | 3 | ||
| 28 | Rudi FISCHER | HW Motors | HWM 50 | Alta L4 | ab | ||
| 7 | IV Jersey Road Race | 21 | Alister Baring | Baring | HWM 50 | Alta L4 | np |
| 21 | Chas MORTIMER | Baring | HWM 50 | Alta L4 c | 10 | ||
| 13 | II BRDC International Trophy | 18 | Stirling MOSS | HW Motors | HWM 50 | Alta L4 | 6 |
| 18 | John HEATH | HW Motors | HWM 50 | Alta L4 | f | ||
| 19 | Fergus ANDERSON | HW Motors | HWM 50 | Alta L4 | ab | ||
| 19 | Lance MACKLIN | HW Motors | HWM 50 | Alta L4 | f | ||
| 14 | III Goodwood Trophy | 15 | George ABECASSIS | HW Motors | HWM 50 | Alta L4 | np |
| 16 | Stirling MOSS | HW Motors | HWM 50 | Alta L4 | 7 |
