| 1 | Phoenix | 4/9/88 | Phoenix International Raceway | 5 | 17R |
| 3 | Portland | 6/19/88 | Portland International Raceway | 1 | 1 |
| 4 | Cleveland | 7/3/88 | Burke Lakefront Airport, Cleveland | 5 | 6 |
| 5 | Toronto | 7/10/88 | Exhibition Place, Toronto | 1 | 2 |
| 6 | Meadowlands | 7/24/88 | Meadowlands Sports Complex | 4 | 3 |
| 7 | Pocono | 8/20/88 | Pocono Raceway | 3 | 2 |
| 8 | Mid-Ohio | 9/4/88 | Mid-Ohio Sports Car Course | 3 | 2 |
| 9 | Road America | 9/11/88 | Road America | 5 | 10 |
| 10 | Nazareth | 9/25/88 | Nazareth Speedway | 6 | 7 |
| 11 | Laguna Seca | 10/16/88 | Laguna Seca Raceway | 4 | 1 |
| 12 | Tamiami Park | 11/6/88 | Tamiami Park | 2 | 1 |