John Jenkins
Birthplace: Springfield, Ohio
Born: November 11, 1875
Died: November 26, 1945
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1910 | AAA | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 5* | 53T* |
| 1911 | AAA | 4 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 580* | 12* | |
| 1912 | AAA | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 160* |
21T* |
|
| 1913 | AAA | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 40* | 41T* | |
| 1914 | AAA | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NR |
| Total | 9 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0/785* |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Brick Oval | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 7 | 0 |
| Dirt Oval | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| Road Course | 4 | 0 | 1 | 1 | 0 | 1 | 0 | 0 |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| AAA | 9 | 2 | 1 | 1 | 1 | 1 | 1 | 0 |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| 1 | 9/3/1910 | Indianapolis 6 | BR | AAA | 36 | American | American | American | 2 | 8 | 38 | Flagged |
5* |
| -- | 9/5/1910 | Indianapolis 9 | BR | AAA | 36 | American | American | American | -- | -- | -- | Did not start | |
| RD | 5/30/1911 | Indianapolis | BR | AAA | 42 | Cole | Cole | Cole | -- | -- | X | Relieved W. Endicott | |
| 2 | 8/25/1911 | Elgin 1 | RC | AAA | 24 | Cole | Cole | Cole | X | 4 | 20 | 2:48:19.30 60.406 | 50* |
| 3 | 9/9/1911 | Cincinnati 1 | RC | AAA | 3 | Cole | Cole | Cole | X | 2 | 25 | 3:40:04.27 53.846 | 210* |
| 4 | 9/9/1911 | Cincinnati 2 | RC | AAA | 3 | Cole | Cole | Cole | X | 1 | 19 | 2:46:29.84 54.09 | 300* |
| 5 | 10/14/1911 | Santa Monica 3 | RC | AAA | 18 | Cole | Cole | Cole | 3 | 6 | 16 | Flagged | 20* |
| 6 | 5/30/1912 | Indianapolis | BR | AAA | 14 | White | White | White | 11 | 7 | 200 | 6:52:38.4 72.703 | 50* |
| 7 | 8/25/1912 | Columbus | DO | AAA | 8 | Cino | Cino | Cino | 7 | 3 | 200 | 3:35:30 55.684 | 110* |
| 8 | 5/30/1913 | Indianapolis | BR | AAA | 18 | Schacht | Schacht | Schacht | 17 | 25 | 13 | Broken crankshaft | |
| 9 | 7/4/1913 | Columbus | DO | AAA | 5 | Schacht | Schacht | Schacht | X | 5 | 200 | 4:05:57.00 48.790 | 40* |
| -- | 5/30/1914 | Indianapolis | BR | AAA | 35 | Great Western | Great Western | Carter | -- | -- | -- | Withdrew, broken crank | |
Known riding mechanics for this driver:
| Date | Track | Type | Mechanic | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
| 8/25/1911 | Elgin 1 | BR | C. L. Hinckey | 24 | Cole | Cole | Cole | X | 4 | 20 | 2:48:19.30 60.406 |
| 5/30/1912 | Indianapolis | BR | George Fuller | 14 | White | White | White | 11 | 7 | 200 | 6:52:38.4 72.703 |
| 5/30/1913 | Indianapolis | BR | E. Guth | 18 | Schacht | Schacht | Schacht | 17 | 25 | 13 | Broken crankshaft |