| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 3 1981 | Laguna Seca Raceway | IMSA GTU | 11 | 6 | John Johnson | 8 | Porsche 911 | 37 | running | ||
| Jul 26 1981 | Sears Point International Raceway | IMSA GTU | 11 | 10 | 8 | Porsche 911 | 29 | running | |||
| May 2 1982 | Laguna Seca Raceway | IMSA GTU | 16 | 9 | 8 | Porsche 911 | 38 | running | |||
| Jul 25 1982 | Sears Point International Raceway | IMSA GTU | 8 | 7 | 8 | Porsche 911 | 29 | running | |||
| May 1 1983 | Laguna Seca Raceway | IMSA GT | 21 | 25 | 8 | Porsche Carrera | 2 | did not finish | |||
| Jul 24 1983 | Sears Point International Raceway | IMSA GT | 22 | 13 | 8 | Porsche 911 | 95 | running | |||
| May 6 1984 | Laguna Seca Raceway | IMSA GTO/GTU | 20 | 19 | 8 | Porsche 911 | 36 | running | |||
| Aug 5 1984 | Sears Point International Raceway | IMSA GTO/GTU | 19 | 14 | 68 | Porsche 911 | 29 | running | |||
| Jul 4 1991 | Pikes Peak | Open Wheel | 9 | Newman-Draeger | 1 | running | 0 | ||||
| Jul 4 1996 | Pikes Peak | Open Wheel | 4 | 3 | 82 | 1996 Greenwood-Hull/186 Volkswagen | 1 | 2,002 | running | 0 |