Indianapolis 500
John Mahler Career Stats
| Indianapolis 500 Career Summary | ||||||||
| Starts | Total Laps | Best Start | Best Finish | Top 5 | Top 10 | Races led | Laps led | Winnings |
| 4 | 380 | 17 | 14 | 0 | 0 | 0 | 0 | $71,905 |
| Year | Fin. | St. | Car# | Car Name/Entrant* | C/E/T | Qual. Spd. | Run/Out | Laps | Led | Winnings |
| 1972 | 22 | 29 | 31 | Harbor Fuel Oil | McLaren/Offy | 179.490 | Piston | 99 | 0 | $16,013 |
| 1977 | 14 | 31 | 42 | Mergard 20th Century | Eagle/Offy | 185.240 | Running | 157 | 0 | $20,668 |
| 1978 | 26 | 17 | 39 | Tibon | Eagle/Offy | 189.770 | Timing gear | 58 | 0 | $16,330 |
| 1979 | 25 | 32 | 92 | Intercomp/Sports Magazine | Eagle/Offy | 184.320 | Fuel pump | 66 | 0 | $18,894 |
| Indianapolis 500 Career Summary | ||||||||
| Starts | Total Laps | Best Start | Best Finish | Top 5 | Top 10 | Races led | Laps led | Winnings |
| 4 | 380 | 17 | 14 | 0 | 0 | 0 | 0 | $71,905 |