The 2004 Phoenix 100 was Round 2 of the 2004 Menards IRL Infiniti Pro Series. The event was held at Phoenix Raceway in Arizona, United States on 20 March 2004. Thiago Medeiros was the race winner.
Phoenix 100 Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Laps | Laps Led | Status | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 11 | Thiago Medeiros | Dallara | Infiniti | Firestone | 100 | 100 | Running | 1 | 52 |
| 2 | 5 | Arie Luyendyk Jr. | Dallara | Infiniti | Firestone | 99 | 0 | Running | 2 | 40 |
| 3 | 33 | Leonardo Maia | Dallara | Infiniti | Firestone | 99 | 0 | Running | 7 | 35 |
| 4 | 3 | Jesse Mason | Dallara | Infiniti | Firestone | 99 | 0 | Running | 4 | 32 |
| 5 | 91 | Paul Dana | Dallara | Infiniti | Firestone | 99 | 0 | Running | 10 | 30 |
| 6 | 10 | Rolando Quintanilla | Dallara | Infiniti | Firestone | 99 | 0 | Running | 5 | 28 |
| 7 | 2 | Phil Giebler | Dallara | Infiniti | Firestone | 99 | 0 | Running | 9 | 26 |
| 8 | 12 | Matt Beardsley | Dallara | Infiniti | Firestone | 99 | 0 | Running | 6 | 24 |
| 9 | 42 | Billy Roe | Dallara | Infiniti | Firestone | 99 | 0 | Running | 3 | 22 |
| 10 | 4 | Marty Roth | Dallara | Infiniti | Firestone | 98 | 0 | Running | 11 | 20 |
| 11 | 24 | Brad Pollard | Dallara | Infiniti | Firestone | 98 | 0 | Running | 8 | 19 |
| 12 | 27 | Gary Peterson | Dallara | Infiniti | Firestone | 97 | 0 | Running | 12 | 18 |