| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 |  Daytona Daytona 24 godziny | 1980.02.02 - 02.03 | Gr.5 Div1 | Porsche 935J |  Liqui Moly | |
| 2 | Sebring Sebring 12 godzin | 1980.03.22 | Porsche 935 K3 | Dick Barbour Racing | ||
| 3 |  Monza | 1980.04.27 | Gr.6 | De Cadenet Lola LM - Ford |  Alain De Cadenet | |
| 4 | Riverside | 1980.04.27 | Porsche 935 K3 | Dick Barbour Racing | ||
| 5 |  Silverstone | 1980.05.11 | Gr.6 | De Cadenet Lola LM - Ford | Alain de Cadenet | |
| 6 | Nürburgring | 1980.06.25 | Gr.6 | Porsche 908/3 Turbo | Liqui Moly Equipe | |
| 7 |  Le Mans | 1980.06.14 - 06.15 | Gr.6 | Rondeau M379B - Ford Cosworth | Jean Rondeau | |
| 8 | Daytona | 1980.06.29 | Datsun 200SX | Performance Innovations | ||
| 9 |  Spa-Francorchamps | 1980.07.26 - 07.27 | Ford Capri | Belga Castrol Team | ||
| 10 |  Mosport Park | 1980.08.17 | Gr.5 Div1 | Porsche 935 K3/80 | Dick Barbour Racing/Sachs USA | |
| 11 | Elkhart Lake | 1980.08.31 | Porsche 935 JLP-2 | JLP Racing |
