Round | Circuit | Date | Class | Winner | Vehicle * | Entrant |
---|---|---|---|---|---|---|
1 | Daytona Daytona 24 godziny | 1983.01.05 - 01.06 | GTP | Porsche 935 K Turbo | Henn's Swap Shop | |
2 | Miami International Autodrome | 1983.02.27 | GTP | March 83G - Chevrolet | Holbert Racing | |
3 | Sebring Sebring 12 godzin | 1983.03.19 | GTP | Porsche 935 K3 Turbo | Bob Akin Motor Racing | |
4 | Road Atlanta | 1983.04.10 | GTP | Jaguar XJR-5 | Group 44 | |
5 | Riverside | 1983.04.24 | GTP | Porsche 935 Turbo | John Fitzpatrick Racing | |
6 | Laguna Seca | 1983.05.01 | GTP | March 83G - Chevrolet | Holbert Racing | |
7 | Charlotte | 1983.05.15 | GTP | March 83G - Porsche | Holbert Racing | |
8 | Lime Rock Park | 1983.05.30 | GTP | Jaguar XJR-5 | Group 44 | |
9 | Mid-Ohio Sports Car Course | 1983.06.19 | GTP | March 83G - Chevrolet | Holbert Racing | |
10 | Daytona | 1983.07.04 | GTP | Porsche 935 Turbo | Henn's Swap Shop | |
11 | Brainerd | 1983.07.10 | GTP | March 83G - Porsche | Holbert Racing | |
12 | Sears Point | 1983.07.24 | GTP | March 83G - Porsche | Holbert Racing | |
13 | Portland | 1983.07.31 | GTP | March 83G - Porsche | Holbert Racing | |
14 | Mosport Park | 1983.08.14 | GTP | Jaguar XJR-5 | Group 44 | |
15 | Road America | 1983.08.21 | GTP | Ford Mustang GTP | Team Zakspeed USA | |
16 | Pocono | 1983.09.11 | GTP | Jaguar XJR-5 | Group 44 | |
17 | Daytona | 1983.11.27 | GTP | March 83G - Porsche | Holbert Racing |