Indianapolis 500
Masten Gregory Career Stats
| Indianapolis 500 Career Summary | ||||||||
| Starts | Total Laps | Best Start | Best Finish | Top 5 | Top 10 | Races led | Laps led | Winnings |
| 1 | 59 | 31 | 23 | 0 | 0 | 0 | 0 | $9,076 |
| Year | Fin. | St. | Car# | Car Name/Entrant* | C/E/T | Qual. Spd. | Run/Out | Laps | Led | Winnings |
| 1965 | 23 | 31 | 41 | George R. Bryant & Staff | BRP/Ford | 154.540 | Oil Pressure | 59 | 0 | $9,076 |
| Indianapolis 500 Career Summary | ||||||||
| Starts | Total Laps | Best Start | Best Finish | Top 5 | Top 10 | Races led | Laps led | Winnings |
| 1 | 59 | 31 | 23 | 0 | 0 | 0 | 0 | $9,076 |