| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1 1970 | Daytona International Speedway | FIA World Sports Car Championship | 66 | 38 | Susan T. Cummings | 94 | Shelby GT350 | 327 | did not finish | ||
| Jan 31 1971 | Daytona International Speedway | FIA World Sports Car Championship | 24 | 27 | Susan Trumbull Cummings | 97 | Shelby GT350 | 306 | did not finish | ||
| Jul 4 1979 | Daytona International Speedway | IMSA GT | 50 | 28 | 95 | Shelby | 49 | running | |||
| Feb 3 1980 | Daytona International Speedway | IMSA GT/World Sports Car Championship | 66 | 28 | Don Cummings | 92 | Shelby GT350 | 410 | running | ||
| Jul 4 1980 | Daytona International Speedway | IMSA GT | 21 | 19 | 98 | Chevrolet Monza | 56 | running | |||
| Mar 21 1981 | Sebring International Raceway | IMSA GT/World Sports Car Championship | 22 | 53 | The Cummings Marque | 97 | Chevrolet Monza | 94 | electrical | ||
| Jul 4 1981 | Daytona International Speedway | IMSA GT | 18 | 37 | 97 | Chevrolet Monza | 2 | did not finish | |||
| Nov 29 1981 | Daytona International Speedway | IMSA GT | 68 | 39 | 97 | Ford Mustang | 44 | running | |||
| Mar 20 1982 | Sebring International Raceway | IMSA GT | 31 | 31 | The Cummings Marque | 97 | Chevrolet Monza | 141 | running | ||
| Mar 19 1983 | Sebring International Raceway | IMSA GT | 35 | 74 | The Cummings Marque | 12 | Chevrolet Monza | 50 | engine | ||
| Jul 4 1983 | Daytona International Speedway | IMSA GT | 23 | 33 | 2 | Chevrolet Monza | 23 | did not finish | |||
| Feb 3 1985 | Daytona International Speedway | IMSA GT | 46 | 67 | Ormond Racing | 70 | Chevrolet Corvette | 58 | engine | ||
| Mar 23 1985 | Sebring International Raceway | IMSA GT | 56 | 66 | Ormond Racing Associates | 70 | Chevrolet Corvette | 37 | electrical |