Championships won
| Standings Classifications
|
Races participated
| Date | Track | Series / Event | Pos | Car |
|---|---|---|---|---|
| 1976 | ||||
| 1976/03/20 | Sebring, FL (USA) | 12 Hours Sebring | 1 | Porsche 911 Carrera RSR |
| 1980 | ||||
| 1980/07/20 | Elkhart Lake, WI (USA) | CanAm | 1 | CAC 1-Chevrolet |
| 1980/10/26 | Riverside, CA (USA) | CanAm | 1 | CAC 1-Chevrolet |
| 1981 | ||||
| 1981/03/21 | Sebring, FL (USA) | World Championship for Makes 12 Hours Sebring | 1 | Porsche 935/80 |
| 1983 | ||||
| 1983/02/70 | Miami (Bayfront Park), FL (USA) | IMSA GTP Championship | 1 | March 83G-Chevrolet |
| 1983/04/10 | Monza (ITA) | World Championship for Sports Cars 1000km Monza | 7 | Porsche 956 |
| 1983/06/18 - 1983/06/19 | Le Mans (FRA) | World Championship for Sports Cars 24 Hours Le Mans | 1 | Porsche 956 |
| 1985 | ||||
| 1985/06/15 - 1985/06/16 | Le Mans (FRA) | World Championship for Sports Cars 24 Hours Le Mans | DNC | Porsche 962 C |
| 1986 | ||||
| 1986/05/31 - 1986/06/01 | Le Mans (FRA) | World Championship for Sports Cars 24 Hours Le Mans | 1 | Porsche 962 C |
| 1987 | ||||
| 1987/06/13 - 1987/06/14 | Le Mans (FRA) | World Championship for Sports Cars 24 Hours Le Mans | 1 | Porsche 962 C |