Harold Stone
Listed Hometown: Los Angeles, California
Born:
Died:
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1909 | AAA | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 270* |
23T* |
|
| 1910 | AAA | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 0 | NR |
| Total | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0/270* |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Point to Point |
1 |
0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Road Course | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| AAA | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| 1 | 7/10/1909 | Santa Monica 1 | RC | AAA | 9 | Columbia | Columbia | Columbia | 9 | 15 | 2 | Broken magneto | |
| 2 | 11/6/1909 | LA-Phoenix | PP | AAA | X | Columbia | Columbia | Columbia | 8 | 3 | 1 | 23:35:20 20.35 |
270* |
| 3 | 10/1/1910 | Long Island 3 | RC | AAA | 12 | Columbia | Columbia | Columbia | 11 | 30 | 0 | Wrecked | |
Known riding mechanics for this driver:
| Date | Track | Type | Mechanic | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
| 10/1/1910 | Long Island 3 | RC | Milton Bacon | 12 | Columbia | Columbia | Columbia | 11 | 30 | 0 | Wrecked - fatal |