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Indy 500 Career Stats - Doc MacKenzie
| Starts | Total Laps | Best Start | Best Finish | Top 5 | Top 10 | Races Led | Laps Led | Winnings |
| 5 | 672 | 4 | 3 | 1 | 2 | - | - | $ 9,780 |
| Year | Finish | Start | Car # | Car Name/Entrant* | C/E/T | Qual Speed | Run/Out | Laps | Led | Winnings |
| 1936 | 3 | 4 | 10 | Gilmore Speedway | Wetteroth / Offy / Firestone | 116.960 | 107.460 | 200 | 0 | $6,900 |
| 1935 | 9 | 15 | 8 | Pirrung | Rigling / Miller / Firestone | 114.290 | 100.598 | 200 | 0 | $1,500 |
| 1934 | 29 | 26 | 73 | Cresco | Mikan-Carson / Studebaker / Firestone | 111.930 | Accident | 15 | 0 | $490 |
| 1933 | 18 | 39 | 51 | Ray Brady | Duesenberg / Studebaker / Firestone | 108.070 | Rear axle | 192 | 0 | $330 |
| 1932 | 28 | 39 | 42 | Brady | Studebaker / Studebaker / Firestone | 108.150 | Engine | 65 | 0 | $560 |
