The 2003 Cleanevent 100 was Round 6 of the 2003 IRL Infiniti Pro Series. The event was held at Nashville Superspeedway in Tennessee, United States on 18 July 2003. Mark Taylor was the race winner.
Cleanevent 100 Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Laps | Laps Led | Status | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 | Mark Taylor | Dallara | Infiniti | Firestone | 77 | 77 | Running | 1 | 52 |
| 2 | 9 | Tom Wood | Dallara | Infiniti | Firestone | 77 | 0 | Running | 4 | 40 |
| 3 | 6 | Ross Fonferko | Dallara | Infiniti | Firestone | 77 | 0 | Running | 6 | 35 |
| 4 | 20 | Jeff Simmons | Dallara | Infiniti | Firestone | 77 | 0 | Running | 3 | 32 |
| 5 | 36 | Thiago Medeiros | Dallara | Infiniti | Firestone | 77 | 0 | Running | 9 | 30 |
| 6 | 92 | Cory Witherill | Dallara | Infiniti | Firestone | 77 | 0 | Running | 8 | 28 |
| 7 | 24 | Paul Dana | Dallara | Infiniti | Firestone | 77 | 0 | Running | 10 | 26 |
| 8 | 12 | Matt Beardsley | Dallara | Infiniti | Firestone | 77 | 0 | Running | 12 | 24 |
| 9 | 5 | Arie Luyendyk Jr. | Dallara | Infiniti | Firestone | 77 | 0 | Running | 13 | 22 |
| 10 | 99 | Brandon Erwin | Dallara | Infiniti | Firestone | 76 | 0 | Running | 2 | 20 |
| 11 | 33 | Dave Steele | Dallara | Infiniti | Firestone | 74 | 0 | Running | 11 | 19 |
| 12 | 3 | Jonathan Urlin | Dallara | Infiniti | Firestone | 70 | 0 | Running | 14 | 18 |
| DNF | 14 | Ed Carpenter | Dallara | Infiniti | Firestone | 20 | 0 | Accident | 5 | 17 |
| DNF | 91 | Aaron Fike | Dallara | Infiniti | Firestone | 6 | 0 | Oil Leak | 7 | 16 |