The 2002 Gateway 100 was Round 5 of the 2002 IRL Infiniti Pro Series. The event was held at Gateway in Illinois, United States on 7 July 2002. Ryan Hampton was the race winner.
Gateway 100 Race Result
| Pos. | No. | Driver | Nationality | Chassis | Engine | Tire | Laps | Laps Led | Status | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 34 | Ryan Hampton | United States | Dallara | Infiniti | Firestone | 80 | 80 | Running | 1 | 52 |
| 2 | 5 | Arie Luyendyk Jr. | Netherlands | Dallara | Infiniti | Firestone | 80 | 0 | Running | 4 | 40 |
| 3 | 2 | Ed Carpenter | United States | Dallara | Infiniti | Firestone | 80 | 0 | Running | 8 | 35 |
| 4 | 99 | G.J. Mennen | United States | Dallara | Infiniti | Firestone | 80 | 0 | Running | 7 | 32 |
| 5 | 9 | Curtis Francois | United States | Dallara | Infiniti | Firestone | 80 | 0 | Running | 3 | 30 |
| 6 | 11 | Rolando Quintanilla | Mexico | Dallara | Infiniti | Firestone | 80 | 0 | Running | 9 | 28 |
| 7 | 37 | Matthew Halliday | New Zealand | Dallara | Infiniti | Firestone | 80 | 0 | Running | 13 | 26 |
| 8 | 8 | Ronnie Johncox | United States | Dallara | Infiniti | Firestone | 69 | 0 | Running | 10 | 24 |
| DNF | 14 | A.J. Foyt IV | United States | Dallara | Infiniti | Firestone | 62 | 0 | Engine | 5 | 22 |
| DNF | 27 | Gary Peterson | United States | Dallara | Infiniti | Firestone | 42 | 0 | Accident | 6 | 20 |
| DNF | 92 | Cory Witherill | United States | Dallara | Infiniti | Firestone | 42 | 0 | Engine | 2 | 19 |
| DNF | 12 | Matt Beardsley | United States | Dallara | Infiniti | Firestone | 32 | 0 | Engine | 14 | 18 |
| DNF | 43 | Tony Turco | United States | Dallara | Infiniti | Firestone | 1 | 0 | Accident | 11 | 17 |
| DNF | 91 | Aaron Fike | United States | Dallara | Infiniti | Firestone | 1 | 0 | Accident | 12 | 16 |