| Round | Race | Date | Circuit | Winner |
|---|---|---|---|---|
| 1 | South African Grand Prix | 1st Jan 1965 | Prince George Circuit Eastern Cape Province, South Africa | Jim Clark (Lotus-Climax) |
| 2 | Monaco Grand Prix | 30th May 1965 | Circuit de Monaco Monte-Carlo, Monaco | Graham Hill (BRM) |
| 3 | Belgian Grand Prix | 13th Jun 1965 | Circuit de Spa-Francorchamps Spa, Belgium | Jim Clark (Lotus-Climax) |
| 4 | French Grand Prix | 27th Jun 1965 | Charade Circuit Clermont-Ferrand, France | Jim Clark (Lotus-Climax) |
| 5 | British Grand Prix | 10th Jul 1965 | Silverstone Circuit Silverstone, UK | Jim Clark (Lotus-Climax) |
| 6 | Dutch Grand Prix | 18th Jul 1965 | Circuit Park Zandvoort Zandvoort, Netherlands | Jim Clark (Lotus-Climax) |
| 7 | German Grand Prix | 1st Aug 1965 | Nürburgring Nürburg, Germany | Jim Clark (Lotus-Climax) |
| 8 | Italian Grand Prix | 12th Sep 1965 | Autodromo Nazionale di Monza Monza, Italy | Jackie Stewart (BRM) |
| 9 | United States Grand Prix | 3rd Oct 1965 | Watkins Glen New York State, USA | Graham Hill (BRM) |
| 10 | Mexican Grand Prix | 24th Oct 1965 | Autódromo Hermanos Rodríguez Mexico City, Mexico | Richie Ginther (Honda) |