Luis Mendez (GTO)
Walt Bohren (GTU)
Mistrz producentów
Porsche (GTX)
Porsche (GTO)
Mazda (GTU)
| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 | Daytona Daytona 24 godziny | 1980.01.02 - 01.03 | GTX | Porsche 935/3 | LM Joest Racing | |
| 2 | Sebring Sebring 12 godzin | 1980.03.22 | GTX | Porsche 935 K3 | Dick Barbour Racing | |
| 3 | Road Atlanta | 1980.04.12 | GTX | Porsche 935 K3 | Whittington Bros. Racing | |
| 4 | Road Atlanta | 1980.04.12 | GTU | Mazda RX-7 | Racing Beat | |
| 5 | Riverside | 1980.04.27 | GTX | Porsche 935 K3 Turbo | Dick Barbour Racing | |
| 6 | Laguna Seca | 1980.05.04 | GTU | Mazda RX-7 | Racing Beat | |
| 7 | Laguna Seca | 1980.05.04 | GTX | Porsche 935 K3 Turbo | Dick Barbour Racing | |
| 8 | Lime Rock Park | 1980.05.26 | GTU | Datsun ZX | Electramotive | |
| 9 | Lime Rock Park | 1980.05.26 | GTX | Porsche 935 K3 Turbo | Preston Henn | |
| 10 | Brainerd | 1980.06.15 | GTO | Porsche Carrera | Mendez Racing | |
| 11 | Daytona | 1980.07.04 | GTX | Porsche 935 K3 Turbo | Dick Barbour Racing | |
| 12 | Golden State | 1980.07.27 | GTX | Porsche 935 Turbo | Dick Barbour Racing | |
| 13 | Golden State | 1980.07.27 | GTU | Mazda RX-7 | Racing Beat | |
| 14 | Portland | 1980.08.03 | GTX | Porsche 935 K3 Turbo | Dick Barbour Racing | |
| 15 | Portland | 1980.08.03 | GTU | Mazda RX-7 | Racing Beat | |
| 16 |  Mosport Park | 1980.08.17 | GTX | Porsche 935 K3/80 | Dick Barbour Racing | |
| 17 | Road America | 1980.08.31 | GTX | Porsche Turbo | JLP Racing | |
| 18 | Road Atlanta | 1980.09.21 | GTU | Mazda RX-7 | Racing Beat | |
| 19 | Road Atlanta | 1980.09.21 | GTX | Porsche 935 K3 Turbo | Dick Barbour Racing | |
| 20 | Road Atlanta | 1980.09.21 | GTX | Porsche 935 Turbo |  MOMO/Electrodyne | |
| 21 | Daytona | 1980.11.30 | GTX | Porsche 935/3 | MOMO/Electrodyne |
