Championships won
| Standings Classifications
|
Races participated
| Date | Track | Series / Event | Pos | Car |
|---|---|---|---|---|
| 1990 | ||||
| 1990/10/27 | Nürburgring, RP (DEU) | VLN Münsterlandpokal | 1 | Porsche 911 |
| 1991 | ||||
| 1991/08/18 | Nürburgring, RP (DEU) | World Championship for Sports Cars | 4 | Porsche 962 C |
| 1992 | ||||
| 1992/06/20 - 1992/06/21 | Le Mans (FRA) | World Championship for Sports Cars 24 Hours Le Mans | 10 | Porsche 962 C |
| 1996 | ||||
| 1996/06/09 | Nürburgring, RP (DEU) | STT | 1 | Porsche 935 |
| 1996/09/08 | Red Bull Ring (AUT) | STT | 1 | Porsche 935 |
| 1996/09/15 | Spa (BEL) | STT | 1 | Porsche 935 |
| 2003 | ||||
| 2003/04/19 | Nürburgring[SH] (DEU) | STT | 1 (1) | Porsche 993 GT2 |
| 2003/04/20 | Nürburgring[SH] (DEU) | STT | 1 (1) | Porsche 993 GT2 |
| 2003/05/11 | Oschersleben, ST (DEU) | STT | 3 | Porsche 993 GT2 |
| 2003/05/11 | Oschersleben, ST (DEU) | STT | 4 | Porsche 993 GT2 |