Les Leston race record
| Grand Prix | Date | Team | Grid | Finish | Pts |
|---|---|---|---|---|---|
| British Grand Prix 1957 | 20 Jul 1957 | BRM | 12 | Engine | |
| Italian Grand Prix 1956 | 2 Sept 1956 | Connaught | 20 | Suspension |
| Grand Prix | Date | Team | Grid | Finish | Pts |
|---|---|---|---|---|---|
| British Grand Prix 1957 | 20 Jul 1957 | BRM | 12 | Engine | |
| Italian Grand Prix 1956 | 2 Sept 1956 | Connaught | 20 | Suspension |