Teddy Duncan
Birthplace: New York, New York
Born: November 18, 1912
Died: August 22, 1963
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| DuQuoin | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Indianapolis | 0 | 2 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Milwaukee | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |
| Springfield | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 17 | 0 |
| Trenton | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Kurtis | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Unknown | 5 | 3 | 0 | 0 | 0 | 1 | 0 | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Offy | 5 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | |
| Unknown | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |