| Runda | Tor | Data | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|
| 1 |  Monte Mario Grand Prix Rzymu | 1925.02.22 | Bugatti T35 | Carlo Masetti | |
| 2 |  Miramas Grand Prix Prowansji | 1925.03.08 | Talbot-Lago 70 |  STD | |
| 3 | Tripoli Grand Prix Trypolisu | 1925.04.18 | OM 665 | Renato Balestrero | |
| 4 | Madonie Coppa Florio | 1925.05.03 | Peugeot | | |
| 5 | Madonie Targa Florio | 1925.05.03 | Bugatti T35 | Automobiles Ettore Bugatti | |
| 6 |  Solitude Grand Prix Solitude (Solituderennen) | 1925.05.17 | Mercedes-Benz 1924 TF | Mercedes | |
| 7 | Ravenna Savio Circuit | 1925.05.21 | Itala Spl - Hispano-Suiza | Emilio Materassi | |
| 8 | Perugia Perugia Cup | 1925.05.24 | Ballot Indy - Ballot | | |
| 9 | Mugello Mugello Circuit | 1925.05.31 | Itala Spl - Hispano-Suiza | Emilio Materassi | |
| 10 | Pescara Coppa Acerbo | 1925.06.21 | Alfa Romeo RL | Guido Ginaldi | |
| 11 | Messina Coppa Vinci | 1925.07.05 | OM 665 | Renato Balestrero | |
| 12 | Reims-Gueux Grand Prix Marny | 1925.08.02 | Bignan | Pierre Clause | |
| 13 | Montenero Coppa Montenero | 1925.08.16 | Itala Spl - Hispano-Suiza | Emilio Materassi | |
| 14 | Saint-Gaudens Grand Prix de Comminges | 1925.09.06 | Bignan B | Goury | |
| 15 |  Lasarte Grand Prix San Sebastian | 1925.09.19 | Delage 2LCV | Delage | |
| 16 | Salò Garda Circuit | 1925.10.18 | Bugatti T35 | Aymo Maggi | |
| 17 | Carrara Apuano Circuit | 1925.11.22 | OM 665 | Renato Balestrero |
