S. F. Brock
S. Frank Brock
Birthplace: Portland, Oregon
Born:
Died:
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Indianapolis | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 |
| Sioux City | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Tacoma-O | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Mercer | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 |
| Stutz | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Unknown | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Stutz | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Unknown | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Wisconsin | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 |