| Phoenix |
Long Beach |
Indianapolis |
Milwaukee |
Detroit |
Portland |
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Toronto |
Michigan |
Denver |
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Mid-Ohio |
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Laguna Seca |
| GP | Local | Data | Etapa | Extênsão | Voltas |
| Molson Indy Toronto | Exhibition Place | 22 de Julho de 1990 | 9 | 2,870 Metros | 94 |
| Piloto | Equipamento | Equipe | Tempo/diferença | nº | Grid |
| 1 Al Unser, Jr. |
Lola Chevrolet | Galles | 2:13:26.000 | 5 | 8 |
| 2 Michael Andretti |
Lola Chevrolet | Newman-Haas | a 38.1 | 3 | 2 |
| 3 Eddie Cheever |
Lola Chevrolet | Ganassi | a 1 Volta | 15 | 13 |
| 4 Danny Sullivan |
Penske Chevrolet | Penske | a 1 Volta | 7 | 1 |
| 5 Arie Luyendyk |
Lola Chevrolet | Shierson | a 1 Volta | 20 | 9 |
| 6 Mario Andretti | Lola Chevrolet | Newman-Haas | a 1 Volta | 6 | 3 |
| 7 Didier Theys |
Penske Buick | Granatelli | a 2 Voltas | 9 | 12 |
| 8 Dominic Dobson |
Lola Cosworth | Bayside | a 2 Voltas | 86 | 20 |
| 9 Scott Goodyear |
Lola Judd | Shierson | a 3 Voltas | 11 | 19 |
| 10 Raul Boesel |
Lola Judd | Truesports | a 3 Voltas | 8 | 14 |
| 11 Mike Groff |
Lola Cosworth | Euromotorsport | a 3 Voltas | 50 | 22 |
| 12 Rick Mears | Penske Chevrolet | Penske | a 3 Voltas | 2 | 6 |
| 13 John Andretti |
March Porsche | Porsche | a 3 Voltas | 41 | 10 |
| 14 Scott Brayton |
Lola Cosworth | Simon | a 4 Voltas | 22 | 15 |
| 15 Teo Fabi |
March Porsche | Porsche | a 5 Voltas | 4 | 5 |
| 16 A.J. Foyt |
Lola Chevrolet | Foyt | a 7 Voltas | 14 | 27 |
| 17 Randy Lewis |
Penske Buick | Arciero | a 7 Voltas | 12 | 26 |
| 18 Pancho Carter | Lola Cosworth | Leader Card | a 8 Voltas | 29 | 18 |
| 19 Dean Hall |
Lola Cosworth | Coyne | a 8 Voltas | 19 | 21 |
| 20 Emerson Fittipaldi |
Penske Chevrolet | Penske | a 24 Voltas | 1 | 7 |
| 21 Michael Greenfield |
Lola Cosworth | Greenfield | a 41 Voltas | 42 | 25 |
| 22 Bobby Rahal |
Lola Chevrolet | Galles | a 51 Voltas | 18 | 4 |
| 23 Guido Daccò | Lola Cosworth | Nu-Tech | a 56 Voltas | 33 | 24 |
| 24 Jeff Wood |
Lola Cosworth | U.S. Engineering | a 71 Voltas | 44 | 17 |
| 25 Jon Beekhuis |
Lola Judd | P.I.G. | a 76 Voltas | 31 | 11 |
| 26 Tony Bettenhausen, Jr. |
Lola Buick | Bettenhausen | a 79 Voltas | 16 | 23 |
| 27 Willy T. Ribbs | Lola Judd | Raynor | a 88 Voltas | 25 | 16 |
Número de Voltas na Liderança:
Al Unser, Jr. 62
Michael Andretti 26
Mario Andretti 6