Silas G. Christofferson
Birthplace: Des Moines, Iowa
Born: March 15, 1890
Died: October 31, 1916
Silas Christofferson
Silas G. Christofferson
Birthplace: Des Moines, Iowa
Born: March 15, 1890
Died: October 31, 1916
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Portland-1909 | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | |
| Santa Monica | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Cadillac | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| Stoddard-Dayton | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Cadillac | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| Stoddard-Dayton | 2 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |