Round | Circuit | Date | Class | Winner | Vehicle * | Entrant |
---|---|---|---|---|---|---|
1 | Sebring Sebring 12 godzin | 1973.03.24 | GTO | Porsche Carrera | Dave Helmick | |
2 | Daytona | 1973.04.21 | GTO | Porsche Carrera | Brumos Porsche-Audi Corp. | |
3 | Pocono | 1973.06.10 | GTO | Porsche Carrera | Toad Hall Motor Racing | |
4 | Daytona | 1973.07.04 | GTO | Chevrolet Camaro | Gene Felton | |
5 | Mid-Ohio Sports Car Course | 1973.07.15 | GTO | Porsche Carrera | Toad Hall Motor Racing | |
6 | Lime Rock Park | 1973.09.15 | GTO | Porsche Carrera | Toad Hall Motor Racing | |
7 | Lime Rock Park | 1973.09.15 | GTO | Porsche Carrera | Peter Gregg | |
8 | Road Atlanta | 1973.09.30 | GTO | Porsche Carrera | Peter Gregg | |
9 | Indianapolis Raceway Park | 1973.10.14 | GTO | Porsche Carrera | Peter Gregg | |
10 | Daytona | 1973.11.25 | GTO | Porsche Carrera | Peter Gregg |