Cy Marshall Indianapolis 500 Stats
| Starts | Total Laps | Poles | Wins | Top 5 | Top 10 | Races Led | Laps Led | Winnings |
| 2 | 226 | 0 | 0 | 0 | 1 | 0 | 0 | $3,185 |
| Year | Finish | Start | Car Num. | Car Name / Entrant | Make / Model | Qual. Speed | Status | Laps | Led | Winnings |
| 1947 | 8 | 28 | 34 | Tattersfield | A.R.-Weil / Alfa Romeo / Firestone | 115.644 | Running | 197 | 0 | $2,850 |
| 1930 | 26 | 10 | 36 | Duesenberg | Duesenberg / Duesenberg / Firestone | 100.846 | Accident | 29 | 0 | $335 |