The 2005 Phoenix 100 was Round 2 of the 2005 Menards IRL Infiniti Pro Series. The event was held at Phoenix Raceway in Arizona, United States on 19 March 2005. Jon Herb was the race winner.
Phoenix 100 Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Laps | Laps Led | Status | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 6 | Jon Herb | Dallara | Infiniti | Firestone | 69 | 69 | Running | 4 | 52 |
| 2 | 19 | Chris Festa | Dallara | Infiniti | Firestone | 0 | 0 | Running | 3 | 40 |
| 3 | 33 | Wade Cunningham | Dallara | Infiniti | Firestone | 0 | 0 | Running | 9 | 35 |
| 4 | 5 | Arie Luyendyk Jr. | Dallara | Infiniti | Firestone | 0 | 0 | Running | 8 | 32 |
| 5 | 21 | Nick Bussell | Dallara | Infiniti | Firestone | 0 | 0 | Running | 11 | 30 |
| 6 | 7 | Travis Gregg | Dallara | Infiniti | Firestone | 21 | 21 | Running | 1 | 29 |
| 7 | 11 | Scott Mayer | Dallara | Infiniti | Firestone | 0 | 0 | Running | 14 | 26 |
| DNF | 3 | Al Unser III | Dallara | Infiniti | Firestone | 0 | 0 | Accident | 10 | 24 |
| DNF | 91 | Mishael Abbott | Dallara | Infiniti | Firestone | 0 | 0 | Accident | 13 | 22 |
| DNF | 4 | Marty Roth | Dallara | Infiniti | Firestone | 0 | 0 | Accident | 7 | 20 |
| DNF | 1 | Jaime Camara | Dallara | Infiniti | Firestone | 0 | 0 | Accident | 2 | 19 |
| DNF | 24 | Jeff Simmons | Dallara | Infiniti | Firestone | 0 | 0 | Accident | 6 | 18 |
| DNF | 20 | Jay Drake | Dallara | Infiniti | Firestone | 0 | 0 | Accident | 5 | 17 |
| DNF | 36 | James Chesson | Dallara | Infiniti | Firestone | 0 | 0 | Accident | 12 | 16 |
| DNS | 27 | G.J. Mennen | Dallara | Infiniti | Firestone | 0 | 0 | DNS | 15 | 15 |