Elgin National Trophy Race
Elgin Road Race Course
8.5 Mile Road Course
30 Laps/255 Miles
August 28, 1920
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
Points |
| 1 | 1 | Ralph DePalma | 2 | Ballot | Ballot | Ballot | 30 | 3:09:54 80.569 | 500 |
| 2 | 4 | Tommy Milton | 10 | Duesenberg | Duesenberg | Duesenberg | 30 | 3:11:01 80.098 | 260 |
| 3 | 2 | Jimmy Murphy | 12 | Duesenberg | Duesenberg | Duesenberg | 30 | 3:12:47 79.364 | 140 |
| 4 | 8 | Ralph Mulford | 9 | Monroe/Frontenac | Frontenac | Frontenac | 30 | 3:12:59 79.281 | 80 |
| 5 | 5 | Eddie O'Donnell | 3 | Duesenberg | Duesenberg | Duesenberg | 30 | 3:16:35 77.830 | 50 |
| 6 | 7 | Percy Ford | 8 | Frontenac | Frontenac | Frontenac | 30 | 3:24:14 74.914 | 35 |
| 7 | 3 | Joe Thomas | 15 | Revere/Duesenberg | Duesenberg | Duesenberg | 30 | 3:33:03 71.814 | 5 |
| 8 | 6 | Gaston Chevrolet | 5 | Monroe/Frontenac | Frontenac | Frontenac | 30 | 3:45:59 66.376 | 15 |
| -- | -- | Tom Alley | 15 | Revere | Duesenberg | Duesenberg | 24 | Relieved J. Thomas 7-30 | 20 |
| -- | -- | Eddie Hearne | 15 | Revere | Duesenberg | Duesenberg | -- | Wrecked practice | |
| -- | -- | Cliff Durant | X | Chevrolet | X | X | -- | Withdrew | |
| -- | -- | W. H. Seymour | X | Locomobile | Locomobile | Locomobile | -- | Failed tech inspection |