Johnny Mais Indianapolis 500 Stats
| Starts | Total Laps | Poles | Wins | Top 5 | Top 10 | Races Led | Laps Led | Winnings |
| 1 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | $0 |
| Year | Finish | Start | Car Num. | Car Name / Entrant | Make / Model | Qual. Speed | Status | Laps | Led | Winnings |
| 1915 | 22 | 20 | 24 | Mais | Mais / Mercer / | 81.97 | Left track | 23 | 0 | $0 |