The 2005 Firestone 100 was Round 5 of the 2005 Menards IRL Infiniti Pro Series. The event was held at Texas Motor Speedway in Texas, United States on 11 June 2005. Travis Gregg was the race winner.
Firestone 100 Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Laps | Laps Led | Status | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Travis Gregg | Dallara | Infiniti | Firestone | 67 | 66 | Running | 1 | 53 |
| 2 | 33 | Wade Cunningham | Dallara | Infiniti | Firestone | 67 | 0 | Running | 4 | 40 |
| 3 | 19 | Chris Festa | Dallara | Infiniti | Firestone | 67 | 1 | Running | 2 | 35 |
| 4 | 20 | Jay Drake | Dallara | Infiniti | Firestone | 67 | 0 | Running | 5 | 32 |
| 5 | 21 | Nick Bussell | Dallara | Infiniti | Firestone | 67 | 0 | Running | 6 | 30 |
| 6 | 4 | Marty Roth | Dallara | Infiniti | Firestone | 67 | 0 | Running | 8 | 28 |
| 7 | 6 | Jon Herb | Dallara | Infiniti | Firestone | 67 | 0 | Running | 11 | 26 |
| 8 | 24 | Jeff Simmons | Dallara | Infiniti | Firestone | 67 | 0 | Running | 9 | 24 |
| 9 | 1 | Jaime Camara | Dallara | Infiniti | Firestone | 67 | 0 | Running | 3 | 22 |
| 10 | 3 | Arie Luyendyk Jr. | Dallara | Infiniti | Firestone | 67 | 0 | Running | 7 | 20 |
| DNF | 11 | PJ Abbott | Dallara | Infiniti | Firestone | 50 | 0 | Accident | 10 | 19 |