The 2012 Auto Club Speedway Foundation 100 was Round 12 of the 2012 Indy Lights series. The event was held at the Auto Club Speedway in Fontana, California, United States on 15 September 2012. Carlos Munoz was the race winner.
Auto Club Speedway Foundation 100 Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Laps | Race Time | Laps Led | Status | Pit Stops | Avg. Speed | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 26 | Carlos Munoz | Dallara | Infiniti | Firestone | 50 | 37:38.3281 | 50 | Running | 0 | 159.41 | 2 | 52 |
| 2 | 22 | David Ostella | Dallara | Infiniti | Firestone | 50 | 37:38.9625 | - | Running | 0 | 159.365 | 8 | 40 |
| 3 | 11 | Esteban Guerrieri | Dallara | Infiniti | Firestone | 50 | 37:41.6675 | - | Running | 0 | 159.175 | 3 | 35 |
| 4 | 77 | Tristan Vautier | Dallara | Infiniti | Firestone | 50 | 37:45.2099 | - | Running | 0 | 158.926 | 5 | 32 |
| 5 | 3 | Victor Carbone | Dallara | Infiniti | Firestone | 50 | 37:46.6268 | - | Running | 0 | 158.826 | 10 | 30 |
| 6 | 24 | Stefan Wilson | Dallara | Infiniti | Firestone | 50 | 37:50.5370 | - | Running | 0 | 158.553 | 11 | 28 |
| 7 | 86 | Bruno Palli | Dallara | Infiniti | Firestone | 50 | 37:50.7514 | - | Running | 0 | 158.538 | 12 | 26 |
| 8 | 7 | Oliver Webb | Dallara | Infiniti | Firestone | 50 | 37:51.1510 | - | Running | 0 | 158.51 | 6 | 24 |
| 9 | 19 | Mike Larrison | Dallara | Infiniti | Firestone | 50 | 38:12.9306 | - | Running | 0 | 157.004 | 13 | 22 |
| 10 | 76 | Juan Pablo Garcia | Dallara | Infiniti | Firestone | 50 | 38:13.3758 | - | Running | 0 | 156.974 | 7 | 20 |
| 11 | 2 | Gustavo Yacaman | Dallara | Infiniti | Firestone | 49 | 37:53.8240 | - | Running | 1 | 155.157 | 9 | 19 |
| DNF | 9 | Peter Dempsey | Dallara | Infiniti | Firestone | 15 | 15:12.3792 | - | Mechanical | 0 | 118.372 | 14 | 18 |
| DNF | 4 | Jorge Goncalvez | Dallara | Infiniti | Firestone | 6 | 6:11.0494 | - | Contact | 0 | 116.427 | 4 | 17 |
| DNF | 27 | Sebastian Saavedra | Dallara | Infiniti | Firestone | 0 | - | - | Mechanical | 0 | 0 | 1 | 17 |