Ralph Mulford Indianapolis 500 Stats
| Starts | Total Laps | Poles | Wins | Top 5 | Top 10 | Races Led | Laps Led | Winnings |
| 10 | 1,619 | 0 | 0 | 2 | 6 | 1 | 10 | $14,200 |
| Year | Finish | Start | Car Num. | Car Name / Entrant | Make / Model | Qual. Speed | Status | Laps | Led | Winnings |
| 1922 | 19 | 5 | 5 | Frontenac | Frontenac / Frontenac / | 99.2 | Rod | 161 | 0 | $0 |
| 1921 | 9 | 21 | 8 | Frontenac | Frontenac / Frontenac / | 91.7 | Running | 177 | 0 | $1,500 |
| 1920 | 9 | 23 | 33 | Mulford | Mulford / Duesenberg / | 0 | 68.613 | 200 | 0 | $1,500 |
| 1919 | 29 | 15 | 2 | Frontenac | Frontenac / Frontenac / | 100.5 | Driveshaft | 37 | 0 | $0 |
| 1916 | 3 | 20 | 10 | Peugeot | Peugeot / Peugeot / | 91.09 | 82.594 | 120 | 0 | $3,000 |
| 1915 | 16 | 18 | 22 | Duesenberg | Duesenberg / Duesenberg / | 82.72 | Rod | 124 | 0 | $0 |
| 1914 | 11 | 6 | 23 | Mercedes | Mercedes / Peugeot / | 88.21 | 69.55 | 200 | 0 | $0 |
| 1913 | 7 | 22 | 29 | Mercedes | Mercedes / Mercedes / | 80.79 | 66.951 | 200 | 0 | $1,800 |
| 1912 | 10 | 16 | 19 | Knox | Knox / Knox / | 87.88 | 56.285 | 200 | 0 | $1,200 |
| 1911 | 2 | 29 | 33 | Lozier | Lozier / Lozier / | 0 | 74.285 | 200 | 10 | $5,200 |