| Year | Winner | Grand Prix | Race Start |
|---|---|---|---|
| 1911 |
Cole Motor Car Co
? 1911 John Jenkins |
Hamilton County Trophy (300ci Class) | 9th September 1911 |
| 1911 |
Edward A Hearne
? 1911 Eddie Hearne |
Cincinnati Trophy (600ci Class) | 9th September 1911 |
| Name | Wins | Poles | Points |
|---|---|---|---|
| John Jenkins | 1 | 1 | 510 |
| Eddie Hearne | 1 | 1 | 400 |
| Name | Wins | Poles | Points |
|---|---|---|---|
| Cole Motor Car Co | 1 | 1 | 510 |
| Edward A Hearne | 1 | 1 | 400 |
Fiat
Cole
Wisconsin
Cino
Westcott
Ohio
Colby
Wisconsin