Minneapolis Race
Twin City Motor Speedway
2 Mile Concrete Oval
250 Laps/500 Miles
September 4, 1915
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
Points |
| 1 | 3 | Earl Cooper | 3 | Stutz | Stutz | Stutz | 250 | 5:47:24.30 86.354 | 1,000* |
| 1 | -- | Johnny Aitken | 3 | Stutz | Stutz | Stutz | 59 | Relieved E. Cooper 88-146 | |
| 2 | 2 | Gil Andersen | 2 | Stutz | Stutz | Stutz | 250 | 5:47:24.53 86.353 | 520* |
| 3 | 7 | Eddie O'Donnell | 7 | Duesenberg | Duesenberg | Duesenberg | 250 | 6:20:25.35 78.860 | 270* |
| 4 | 6 | Tom Alley | 6 | Ogren | Duesenberg | Duesenberg | 250 | 6:24:44.55 77.974 | 140* |
| 5 | 8 | Ora Haibe | 8 | Sebring | Duesenberg | Duesenberg | 250 | 6:38:47.00 75.229 | 90* |
| 6 | 11 | Willie Haupt | 12 | Duesenberg | Duesenberg | Duesenberg | 250 | 6:45:18.53 74.018 | 60* |
| 7 | 13 | Billy Chandler | 15 | Duesenberg | Duesenberg | Duesenberg | 230 | Flagged | 50* |
| 8 | 12 | Barney Oldfield | 14 | Delage | Delage | Delage | 205 | Flagged | 40* |
| 9 | 4 | Ralph DePalma | 4 | Mercedes | Mercedes | Mercedes | 95 | Oil flooded magneto | |
| 10 | 14 | W. W. Brown | 16 | DuChesneau | DuChesneau | Brown | 93 | Engine | |
| 11 | 10 | Ralph Mulford | 11 | Duesenberg | Duesenberg | Duesenberg | 60 | Broken frame | |
| 12 | 1 | Dario Resta | 1 | Peugeot | Peugeot | Peugeot | 51 | Broken oil pump | |
| 13 | 9 | Otto Henning | 9 | Mercer | Mercer | Mercer | 33 | Out | |
| 14 | 5 | Bob Burman | 5 | Peugeot | Peugeot | Peugeot | 16 | Broken connecting rod | |
| -- | -- | Pete Henderson | 12 | Duesenberg | Duesenberg | Duesenberg | X | Relieved Haupt | |
| -- | -- | Tom Rooney | 2 | Stutz | Stutz | Stutz | X | Relieved Andersen | |
| -- | -- | Eddie Rickenbacker | 14 | Delage | Delage | Delage | X | Relieved Oldfield | |
| -- | -- | Caleb Bragg | X | Stutz | Stutz | Stutz | -- | Withdrew | |
| -- | -- | Eddie O'Donnell | 10 | Duesenberg | Duesenberg | Duesenberg | -- | Withdrew before start | |
| -- | -- | Ralph Mulford | X | Peugeot | Peugeot | Peugeot | -- | Withdrew | |
| -- | -- | Howdy Wilcox | X | Peugeot | Peugeot | Peugeot | -- | Withdrew | |
| -- | -- | Eddie Rickenbacker | 11 | Duesenberg | Duesenberg | Duesenberg | -- | Driven by Mulford |
Known riding mechanics in this race:
| Finish | Start | Driver | Mechanic | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
| 2 | 2 | Gil Andersen | Tom Rooney | 2 | Stutz | Stutz | Stutz | 250 | 5:47:24.53 86.353 |
| 8 | 12 | Barney Oldfield | Eddie Rickenbacker | 14 | Delage | Delage | Delage | 205 | Flagged |
| Lap Leaders | Total | Laps |
| Gil Andersen | 165 | 40, 46-59, 70-179, 200-239 |
| Earl Cooper | 58 | 7-31, 34-35, 60-69, 180-199, 240-250 |
| Dario Resta | 14 | 1-3, 32-33, 36-39, 41-45 |
| Bob Burman | 13 | 4-16 |