| 1 | Texaco System 3 Challenge/Long Beach | 4/14/91 | Streets of Long Beach | 1 | 1 |
| 2 | Phoenix | 4/21/91 | Phoenix International Raceway | 2 | 3 |
| 3 | Milwaukee | 6/2/91 | The Milwaukee Mile | 8 | 2 |
| 4 | Conoco Challenge - Detroit | 6/16/91 | Streets of Detroit | 1 | 1 |
| 5 | Portland | 6/23/91 | Portland International Raceway | 3 | 1 |
| 6 | Banquet/Morton Challenge - Cleveland | 7/7/91 | Burke Lakefront Airport, Cleveland | 5 | 7 |
| 7 | Meadowlands | 7/14/91 | Meadowlands Sports Complex | 7 | 1 |
| 8 | Toronto | 7/21/91 | Exhibition Place, Toronto | 1 | 6 |
| 9 | Conoco Challenge - Denver | 8/25/91 | Streets of Denver | 5 | 2 |
| 10 | Mid-Ohio | 9/15/91 | Mid-Ohio Sports Car Course | 2 | 13R |
| 11 | Nazareth | 10/6/91 | Nazareth Speedway | 9 | 3 |
| 12 | Laguna Seca | 10/20/91 | Laguna Seca Raceway | 9 | 3 |