Les Leston was a British Formula 1 driver who competed between 1956 and 1957. across 3 races, taking 0 wins, 0 podiums and 0 pole positions for Connaught, Cooper.
| Year | Race | Team | Grid | Finish | Pts | Status |
|---|---|---|---|---|---|---|
| 1957 | British Grand Prix | BRM | 12 | R | 0 | Engine |
| 1957 | Monaco Grand Prix | Cooper | 0 | F | 0 | Did not qualify |
| 1956 | Italian Grand Prix | Connaught | 20 | R | 0 | Suspension |