Billy Carlson Indianapolis 500 Stats
| Starts | Total Laps | Poles | Wins | Top 5 | Top 10 | Races Led | Laps Led | Winnings |
| 2 | 400 | 0 | 0 | 0 | 2 | 0 | 0 | $3,000 |
| Year | Finish | Start | Car Num. | Car Name / Entrant | Make / Model | Qual. Speed | Status | Laps | Led | Winnings |
| 1915 | 9 | 16 | 19 | Maxwell | Maxwell / Maxwell / | 84.11 | 78.962 | 200 | 0 | $1,500 |
| 1914 | 9 | 5 | 25 | Maxwell | Maxwell / Maxwell / | 93.36 | 70.972 | 200 | 0 | $1,500 |