| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 | Daytona Daytona 24 godziny | 1980.02.02 - 02.03 | Gr.5 Div1 | Porsche 935J | Liqui Moly | |
| Gr.5 Div2 | Lancia Beta Montecarlo Turbo | Jolly Club | ||||
| 2 | Brands Hatch | 1980.03.16 | Gr.5 Div1 | Porsche 935 K3 | Charles Ivey Engineering | |
| Gr.5 Div2 | Lancia Beta Montecarlo Turbo | Lancia Corse - Italy | ||||
| 3 | Mugello | 1980.04.13 | Gr.5 Div1 | Lancia Beta Montecarlo Turbo | Lancia Corse | |
| Gr.5 Div2 | Lancia Beta Montecarlo Turbo | Lancia Corse | ||||
| 4 | Monza | 1980.04.27 | Gr.5 Div1 | Porsche 935/77A | Sportwagen | |
| Gr.5 Div2 | Lancia Beta Montecarlo Turbo | Lancia Corse | ||||
| 5 | Silverstone | 1980.05.11 | Gr.5 Div1 | Porsche 935/77A | Vegla Racing Team | |
| Gr.5 Div2 | Lancia Beta Montecarlo Turbo | Lancia Corse - Italy | ||||
| 6 | Nürburgring | 1980.06.25 | Gr.5 Div1 | Porsche 935 K3/80 | Sachs Sporting Dick Barbour Team | |
| Gr.5 Div2 | Lancia Beta Montecarlo Turbo | Lancia Italia | ||||
| 7 | Le Mans | 1980.06.14 - 06.15 | Gr.5 Div1 | Porsche 935/77A | Vegla Racing Team | |
| Gr.5 Div2 | Lancia Beta Montecarlo Turbo | Jolly Club - Lancia Corse | ||||
| 8 | Watkins Glen | 1980.07.06 | Gr.5 Div1 | Porsche 935 K3/80 | Dick Barbour Racing | |
| Gr.5 Div2 | Lancia Beta Montecarlo Turbo | Lancia Corse | ||||
| 9 | Mosport Park | 1980.08.17 | Gr.5 Div1 | Porsche 935 K3/80 | Dick Barbour Racing/Sachs USA | |
| Gr.5 Div2 | Lancia Beta Montecarlo Turbo | Lancia Corse Italia | ||||
| 10 | Vallelunga | 1980.09.07 | Gr.6 | Osella PA8 - BMW | Giorgio Francia | |
| Gr.5 Div1 | Lancia Beta Montecarlo Turbo | Lancia Corse | ||||
| Gr.5 Div2 | Lancia Beta Montecarlo Turbo | Lancia Corse | ||||
| 11 | Dijon-Prenois | 1980.09.28 | Gr.5 Div1 | Porsche 935/77A | Sportwagen | |
| Gr.5 Div2 | BMW 320i | Willy F Racing |