| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 23 1981 | Road America | IMSA GT/World Sports Car Championship | 42 | 41 | Personalized Autohaus | 57 | Porsche 914/6 | 39 | did not finish | ||
| Sep 5 1982 | Mid-Ohio Sports Car Course | IMSA GT | 32 | 16 | Red Roof Inns | 51 | Mazda RX-7 | 200 | running | ||
| Aug 26 1984 | Road America | IMSA GT | 48 | 19 | 31 | Porsche 911 | 103 | 1,850 | running | ||
| Aug 8 1992 | Road America | SCCA Oldsmobile Pro | 16 | Lola T89/90 | 15 | running | |||||
| Jun 26 1994 | Watkins Glen International | IMSA GT | 31 | 19 | Joseph Cogbill | 96 | Porsche 968 | 69 | mechanical | ||
| Apr 30 1995 | Road Atlanta | IMSA GT | 26 | 39 | Joseph Cogbill | 96 | Porsche 968 Turbo | 11 | accident | ||
| Jun 24 1995 | Watkins Glen International | IMSA GT | 30 | 30 | Joseph Cogbill | 96 | Porsche 968 | 47 | mechanical |