Mario Umberto Borzacchini
Born Baconino Francesco Domenico Borzacchini
Birthplace: Terni, Italy
Born: September 28, 1898
Died: September 10, 1933
Baconin Borzacchini
Mario Umberto Borzacchini
Born Baconino Francesco Domenico Borzacchini
Birthplace: Terni, Italy
Born: September 28, 1898
Died: September 10, 1933
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1930 | AAA | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 0 | 0 | NR |
| Total | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 0 | 0 |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Brick Oval | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 0 |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| AAA | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 0 |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| 1 | 5/30/1930 | Indianapolis | BR | AAA | 26 | Maserati | Maserati | Maserati | 28 | 37 | 7 | Magneto |
Known riding mechanics for this driver:
| Date | Track | Type | Mechanic | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
| 5/30/1930 | Indianapolis | BR | Jimmy Rossi | 26 | Maserati | Maserati | Maserati | 28 | 37 | 7 | Magneto |