George Rider Mason
Birthplace: Des Moines, Iowa
Born: May 6, 1890
Died: September 13, 1918
George Mason
George Rider Mason
Birthplace: Des Moines, Iowa
Born: May 6, 1890
Died: September 13, 1918
| Driver sponsorship available. This one's yours for $5. |
| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Chicago-BO | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Indianapolis | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 |
| Milwaukee-RC | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Minneapolis | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| Omaha | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 |
| Sioux City | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 |
| Uniontown | Non | points | race | only |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Duesenberg | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Mason | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Unknown | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Duesenberg | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Mason | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Unknown | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 |