| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 3 1975 | Laguna Seca Raceway | IMSA GT | 28 | 28 | Chevrolet Corvette | 43 | running | ||||
| May 3 1975 | Laguna Seca Raceway | IMSA GT | 36 | 28 | Chevrolet Corvette | 44 | running | ||||
| Jun 1 1975 | Pacific Raceways | SCCA Trans Am | 11 | 12 | Schwafel Racing | Chevrolet Corvette 454 | 41 | 200 | running | 0 | |
| Jun 15 1975 | Portland International Raceway | SCCA Trans Am | 19 | 9 | Schwafel Racing | Chevrolet Corvette 454 | 48 | 300 | running | 0 | |
| May 2 1976 | Laguna Seca Raceway | IMSA GT | 25 | 21 | Dave Schwafel | 44 | Chevrolet Corvette | 46 | running | 0 | |
| May 9 1976 | Ontario Motor Speedway | IMSA GT | 19 | 15 | Chevrolet Corvette | 31 | running | ||||
| Jul 25 1976 | Sears Point International Raceway | IMSA GT | 24 | 26 | Dave Schwafel | 44 | Chevrolet Corvette | 35 | running | ||
| Jun 12 1977 | Portland International Raceway | SCCA Trans Am | 32 | 36 | Dave Schwafel Racing | 41 | Chevrolet Corvette 454 | 5 | accident | 0 | |
| Jun 11 1978 | Portland International Raceway | SCCA Trans Am | 36 | 35 | Schwafel Racing | 41 | Chevrolet Corvette | 0 | electrical | 0 |