| Race |
Site |
Cars |
St |
Fin |
# |
Sponsor / Owner |
Chassis / Engine |
Laps |
Money |
Status |
Led |
Points |
Rank |
| 1 | Monterrey | 28 | 4 | 8 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 78/78 | 20,000 | running | 0 | 5 | 8 |
| 2 | Long Beach | 28 | 1 | 1 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 82/82 | 100,000 | running | 82 | 22 | 3 |
| 3 | Nazareth | 25 | 5 | 11 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 225/225 | 15,250 | running | 0 | 2 | 5 |
| 4 | Motegi | 25 | 1 | 2 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 201/201 | 60,000 | running | 84 | 18 | 2 |
| 5 | Milwaukee | 26 | 2 | 26 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 0/225 | 0 | crash | 0 | | 2 |
| 6 | Belle Isle | 25 | 1 | 1 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 72/72 | 100,000 | running | 72 | 22 | 2 |
| 7 | Portland | 26 | 3 | 17 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 75/76 | 11,500 | running | 0 | | 2 |
| 8 | Cleveland | 26 | 23 | 12 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 100/100 | 14,250 | running | 0 | 1 | 2 |
| 9 | Toronto | 26 | 2 | 19 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 66/95 | 11,000 | engine | 15 | | 3 |
| 10 | Michigan | 25 | 19 | 8 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 249/250 | 20,000 | running | 0 | 5 | 3 |
| 11 | Cicero | 25 | 2 | 7 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 225/225 | 22,500 | running | 68 | 7 | 2 |
| 12 | Mid-Ohio | 26 | 2 | 1 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 83/83 | 100,000 | running | 44 | 21 | 1 |
| 13 | Elkhart Lake | 26 | 6 | 7 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 45/45 | 22,500 | running | 24 | 7 | 1 |
| 14 | Vancouver | 26 | 5 | 18 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 95/98 | 11,250 | running | 0 | | 2 |
| 15 | Lausitz | 27 | 3 | 12 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 154/154 | 14,250 | running | 0 | 1 | 4 |
| 16 | Rockingham | 26 | 4 | 4 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 140/140 | 35,000 | running | 0 | 12 | 4 |
| 17 | Houston | 26 | 4 | 5 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 100/100 | 30,000 | running | 0 | 10 | 3 |
| 18 | Laguna Seca | 26 | 2 | 6 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 76/76 | 25,000 | running | 11 | 8 | 3 |
| 19 | Queensland | 26 | 11 | 20 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 64/65 | 10,750 | running | 0 | | 3 |
| 20 | Fontana | 26 | 24 | 22 | 3 | Marlboro (Roger Penske) | Reynard / Honda | 86/220 | 0 | engine | 11 | | 4 |
| Rank is calculated after each race and may not reflect penalties; drivers tied in points are shown with identical ranks. |
20 starts, 2216 of 2610 laps completed (84.9%), 411 laps led
Win: 3 ( 15.0%) Average start: 6.2 Total Winnings: $623,250
Podium: 4 ( 20.0%) Average finish: 10.4 (excluding bonuses)
DNF: 3
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