Harry Grant
Birthplace: Cambridge, Massachusetts
Born: July 10, 1877
Died: October 8, 1915
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Chicago-BO | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Corona | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Elgin | 5 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | |
| Indianapolis | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |
| Long Island | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | |
| Lowell | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Philadelphia | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Providence | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 |
| San Diego-Point Loma | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| San Francisco-World's Fair | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Santa Monica | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 15 | 1 |
| Savannah | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
| Sheepshead Bay | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Sioux City | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 |
| Venice | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Alco | 7 | 1 | 2 | 1 | 0 | 1 | 0 | 0 | |
| Case | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Duesenberg | Relief | drove | only | ||||||
| Isotta | 3 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | |
| Lozier | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | |
| Maxwell | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Stutz | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Sunbeam | 8 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Alco | 7 | 1 | 2 | 1 | 0 | 1 | 0 | 0 | |
| Case | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Duesenberg | Relief | drove | only | ||||||
| Isotta | 3 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | |
| Lozier | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | |
| Maxwell | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Stutz | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Sunbeam | 8 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |