Roy Dunham Mayes
Birthplace: Dixon, California
Born: April 15, 1890
Died: July 8, 1921
Roy Mayes
Roy Dunham Mayes
Birthplace: Dixon, California
Born: April 15, 1890
Died: July 8, 1921
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1912 | AAA | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NR |
| Total | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Road Course | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| AAA | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| -- | 7/5/1912 | Tacoma 2 | RC | AAA | 21 | Pope-Hartford | Pope-Hartford | Pope-Hartford | -- | -- | -- | Driven by E. Rossi |