Willard Prentiss
Birthplace: Denver, Colorado
Born: December 10, 1897
Died: October 6, 1959
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1933 | AAA | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 |
NR |
| 1934 | AAA | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NR |
| Total | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Brick Oval | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| AAA | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 13 | 0 |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| 1 | 5/30/1933 | Indianapolis | BR | AAA | 49 | Jack Carr | Rigling | Duesenberg | 40 | 13 | 200 | 5:20:31.83 93.595 | |
| -- | 5/30/1934 | Indianapolis | BR | AAA | 59 | G & P | Hudson | Hudson | -- | -- | -- | DNS, too slow | |
| --/ | 5/30/1934 | Indianapolis | BR | AAA | 64 | Wehr Rotary Valve | X | Wehr | -- | -- | -- | Did not qualify | |