Jencks Trophy Race
Elgin Road Race Course
8.47 Mile Road Course
12 Laps/101.64 Miles
August 30, 1912
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
Points |
| 1 | 1 | Harry Endicott | 41 | Mason | Mason | Mason | 12 | 1:40:42.9 60.551 | 200* |
| 2 | 2 | F. W. Moe | 42 | Ford | Ford | Ford | 6 | Wrecked | |
| 3 | 3 | W. G. Wordingham | 43 | Herreshoff | Herreshoff | Herreshoff | 1 | Broken wheel | |
| -- | -- | Mortimer Roberts | 41 | Mason | Mason | Mason | -- | Driven by H. Endicott |
Known riding mechanics in this race:
| Finish | Start | Driver | Mechanic | Car # | Sponsor/Name | Chassis | Engine | Laps | Status |
| 1 | 1 | Harry Endicott | Jim McNamara | 41 | Mason | Mason | Mason | 12 | 1:40:42.9 60.551 |
| 2 | 2 | F. W. Moe | Otto Henning | 42 | Ford | Ford | Ford | 6 | Wrecked |
| 3 | 3 | W. G. Wordingham | William Coe | 43 | Herreshoff | Herreshoff | Herreshoff | 1 | Broken wheel |