Francis Joseph Sanborn
Birthplace: Colorado Springs, Colorado
Born: May 18, 1935
Died: August 27, 2013
Frank Sanborn
Francis Joseph Sanborn
Birthplace: Colorado Springs, Colorado
Born: May 18, 1935
Died: August 27, 2013
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1956 | USAC | Non | points | race | only | 0 | NR | |||||
| 1957 | USAC | Non | points | race | only | 0 | NR | |||||
| Total | Non | points | races | only | 0 |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Hill Climb | Non | points | races | only |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| USAC | Non | points | races | only |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| NC | 7/4/1956 | Pikes Peak | HC | USAC | 2 | Sanborn | X | X | 15 | 14 | 1 | 0:15:59.5 46.599 | |
| NC | 7/4/1957 | Pikes Peak | HC | USAC | 77 | Blum Engineering | X | X | X | 9 | 1 | 0:15:10.2 49.123 | |