Bobby Marshman Indianapolis 500 Stats
| Starts | Total Laps | Poles | Wins | Top 5 | Top 10 | Races Led | Laps Led | Winnings |
| 4 | 635 | 0 | 0 | 1 | 2 | 1 | 33 | $42,166 |
| Year | Finish | Start | Car Num. | Car Name / Entrant | Make / Model | Qual. Speed | Status | Laps | Led | Winnings |
| 1964 | 25 | 2 | 51 | Pure Oil Firebird | Lotus / Ford / Firestone | 157.867 | Transmission | 39 | 33 | $12,000 |
| 1963 | 16 | 7 | 5 | Econo-Car Rental | Epperly / Offy / Firestone | 149.458 | Rear end | 196 | 0 | $6,300 |
| 1962 | 5 | 3 | 54 | Bryant Heating & Cooling | Epperly / Offy / Firestone | 149.347 | 138.79 | 200 | 0 | $14,316 |
| 1961 | 7 | 33 | 31 | Hoover Motor Express | Epperly / Offy / Firestone | 144.293 | 135.534 | 200 | 0 | $9,550 |