Elgin Trophy Race
Elgin Road Race Course
8.47 Mile Road Course
30 Laps/254.1 Miles
August 31, 1912
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
Points |
| 1 | 4 | Ralph DePalma | 4 | Mercedes | Mercedes | Mercedes | 30 | 3:43:20.06 68.265 | 500* |
| 2 | 1 | Ralph Mulford | 1 | Knox | Knox | Knox | 30 | 3:46:09.26 67.414 | 260* |
| 3 | 7 | Charles Merz | 12 | Stutz | Stutz | Wisconsin | 30 | 3:56:43.50 64.404 | 140* |
| 4 | 3 | Mortimer Roberts | 3 | Mason | Mason | Mason | 30 | 3:58:17.00 63.982 | 80* |
| 5 | 6 | Gil Andersen | 7 | Stutz | Stutz | Wisconsin | 30 | 3:59:57.60 63.536 | 50* |
| 6 | 5 | Eddie Hearne | 5 | Fiat | Fiat | Fiat | 26 | Broken transmission | |
| 7 | 8 | Spencer Wishart | 14 | Mercer | Mercer 35C | Mercer | 24 | Broken water pump | |
| 8 | 9 | Hughie Hughes | 15 | Mercer | Mercer 35T | Mercer | 17 | Burned crank bearing | |
| 9 | 2 | George Clark | 2 | Mercedes | Mercedes | Mercedes | 5 | Wrecked | |
| -- | -- | George Hill | 5 | Fiat | Fiat | Fiat | 24 | Relieved Hearne 3-26 | |
| -- | -- | Harry Hastings | 6 | Falcar | Falcar | Falcar | -- | Did not start | |
| -- | -- | Homer Trussell | 10 | Falcar | Falcar | Falcar | -- | Did not start | |
| -- | -- | Neil Whalen | 11 | National | National | National | -- | DNS, broken magneto | |
| -- | -- | David Bruce-Brown | 16 | Fiat | Fiat | Fiat | -- | DNS, arrived late | |
| -- | -- | Ted Tetzlaff | 5 | Fiat | Fiat | Fiat | -- | Driven by Hearne | |
| -- | -- | Wilbur | 10 | Falcar | Falcar | Falcar | -- | Driven by Trussel | |
| -- | -- | Len Zengel | 12 | Stutz | Stutz | Wisconsin | -- | Driven by Merz | |
| -- | -- | Willie Knipper | X | Stutz | Stutz | Wisconsin | -- | Did not appear | |
| -- | -- | Georges Boillot | X | Peugeot | Peugeot | Peugeot | -- | Did not appear | |
| -- | -- | Jules Goux | X | Peugeot | Peugeot | Peugeot | -- | Did not appear | |
| -- | -- | Paul Zuccarelli | X | Peugeot | Peugeot | Peugeot | -- | Did not appear |
Known riding mechanics in this race:
| Finish | Start | Driver | Mechanic | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
| 2 | 1 | Ralph Mulford | Billy Chandler | 1 | Knox | Knox | Knox | 30 | 3:46:09.26 67.414 |
| 3 | 7 | Charles Merz | Harry Martin | 12 | Stutz | Stutz | Wisconsin | 30 | 3:56:43.50 64.404 |
| 4 | 3 | Mortimer Roberts | Ray Snyder | 3 | Mason | Mason | Mason | 30 | 3:58:17.00 63.982 |
| 5 | 6 | Gil Andersen | Will Hamilton | 7 | Stutz | Stutz | Wisconsin | 30 | 3:59:57.60 63.536 |
| 7 | 8 | Spencer Wishart | S. F. Brock | 14 | Mercer | Mercer 35C | Mercer | 24 | Broken water pump |
| 8 | 9 | Hughie Hughes | Jack Jenter | 15 | Mercer | Mercer 35T | Mercer | 17 | Burned crank bearing |
| 9 | 2 | George Clark | Malone | 2 | Mercedes | Mercedes | Mercedes | 5 | Wrecked |
| -- | -- | Harry Hastings | F. Allen | 6 | Falcar | Falcar | Falcar | -- | Did not start |
| -- | -- | Homer Trussell | Miltvitch | 10 | Falcar | Falcar | Falcar | -- | Did not start |
| -- | -- | Neil Whalen | Palmer | 11 | National | National | National | -- | DNS, broken magneto |
| Lap Leaders | Total | Laps |
| Ralph DePalma | 26 | 1-2, 4-5, 8-13, 15-30 |
| Ralph Mulford | 4 | 3, 6-7, 14 |