Theron Duby
Theron Samuel Duby
Birthplace: Rolla, Missouri
Born: November 23, 1889
Died: January 29, 1955
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Santa Monica | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Midland | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Midland | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 |