| Runda | Tor | Data | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|
| 1 |  Pocono | 1975.06.01 | Chevrolet Corvette | John Greenwood Racing | |
| 2 | Seattle | 1975.06.01 | Datsun 280Z |  FAR Performance | |
| 3 | Portland | 1975.06.15 | Chevrolet Corvette | John Greenwood Racing | |
| 4 | Nelson Ledges | 1975.06.29 | Chevrolet Corvette | John Greenwood Racing | |
| 5 | Watkins Glen | 1975.07.13 | Porsche Carrera RSR |  Willi Kauhsen Racing Team | |
| 6 | Road America | 1975.07.26 | Chevrolet Corvette | Advance United | |
| 7 | Brainerd | 1975.09.07 | Chevrolet Corvette | Advance United |