| series | Champcar current |
| race |  Portland |
| year | 1998 |
| team | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| Ganassi | 1 | Target | Alex Zanardi |  | 5 | 1 | Reynard 98i | Honda HRK | 47 | |
| Patrick | 20 | Visteon | Scott Pruett | | 3 | 2 | Reynard 98i | Ford XD | ||
| Team Rahal | 8 | Shell | Bryan Herta | | 1 | 3 | Reynard 98i [005] | Ford XD | 20 | |
| Tasman | 21 | LCI | Tony Kanaan |  | 12 | 4 | Reynard 98i | Honda HRK | ||
| Penske | 2 | Marlboro | Al Unser Jr. | | 18 | 5 | Penske PC27 | Mercedes IC108E | 8 | |
| Team Rahal | 7 | Miller Lite | Bobby Rahal | | 8 | 6 | Reynard 97i | Ford XD | ||
| PacWest | 17 | Hollywood | Mauricio Gugelmin | | 15 | 7 | Reynard 98i | Mercedes IC108E | ||
| Ganassi | 12 | Target | Jimmy Vasser | | 4 | 8 | Reynard 98i | Honda HRK | ||
| Forsythe | 33 | Player's/Indeck | Patrick Carpentier |  | 11 | 9 | Reynard 98i | Mercedes IC108E | ||
| Della Penna | 10 | Budweiser/Ralphs | Richie Hearn | | 23 | 10 | Swift 009.c | Ford XD | ||
| Arciero-Wells | 25 | MCI | Max Papis | | 22 | 11 | Reynard 98i | Toyota RV8C | ||
| Davis Racing | 77 | Hasseroeder/TotalTel/J.A.G. | Arnd Meier |  | 25 | 12 | Lola T9800 | Ford XD | ||
| Bettenhausen | 16 | Alumax Aluminium | Helio Castro-Neves | | 19 | 13 | Reynard 98i | Mercedes IC108E | ||
| All American Racers | 36 | Castrol-Degree-Toyota | Alex Barron | | 27 | 14 | Reynard 98i | Toyota RV8C | ||
| Penske | 3 | Marlboro | Andre Ribeiro | | 17 | 15 | Penske PC27 | Mercedes IC108E | 1 | |
| All American Racers | 98 | Castrol-Degree-Toyota | PJ Jones | | 26 | 16 | Reynard 98i | Toyota RV8C | ||
| Newman-Haas | 6 | Kmart/Texaco/Havoline | Michael Andretti | | 10 | 17 | Swift 009.c | Ford XD | ||
| Dale Coyne | 34 | Payton-Coyne/SmithKline Beecham | Dennis Vitolo | | 28 | 18 | Reynard 97i | Ford XD | ||
| Dale Coyne | 19 | Herdez/Payton-Coyne | Michel Jourdain Jr. |  | 13 | 19 | Reynard 97i | Ford XD | ||
| Walker | 5 | Valvoline/Cummins | Gil De Ferran | | 9 | 20 | Reynard 98i | Honda HRK | ||
| Team Green | 27 | KOOL | Dario Franchitti |  | 2 | 21 | Reynard 98i | Honda HRK | 22 | |
| PacWest | 18 | Motorola | Mark Blundell |  | 16 | 22 | Reynard 98i | Mercedes IC108E | ||
| Arciero-Wells | 24 | Panasonic/Duskin | Robby Gordon | | 21 | 23 | Reynard 98i | Toyota RV8C | ||
| Patrick | 40 | Tecate/Quaker State | Adrian Fernandez | | 6 | 24 | Reynard 97i | Ford XD | ||
| Hogan | 9 | Hogan Motor Leasing | JJ Lehto |  | 24 | 25 | Reynard 98i | Mercedes IC108E | ||
| Newman-Haas | 11 | Kmart | Christian Fittipaldi | | 7 | 26 | Swift 009.c | Ford XD | ||
| Forsythe | 99 | Player's/Indeck | Greg Moore | | 14 | 27 | Reynard 98i | Mercedes IC108E | ||
| Team Green | 26 | KOOL | Paul Tracy | | 20 | 28 | Reynard 98i | Honda HRK |
28 entries
