| 2 | Miller | 5/17/08 | Miller Motorsports Park | 1 | 1 |
| 3 | Watkins Glen | 6/7/08 | Watkins Glen International | 5 | 6 |
| 4 | Portland-1 | 7/26/08 | Portland International Raceway | 2 | 26R |
| 5 | Portland-2 | 7/27/08 | Portland International Raceway | 2 | 1 |
| 6 | Road America | 8/9/08 | Road America | 1 | 2 |
| 7 | Grand Prix du Trois-Rivieres | 8/17/08 | Circuit Trois-Rivieres | 2 | 2 |
| 8 | Mosport | 8/23/08 | Canadian Tire Motorsport Park | 1 | 4 |
| 9 | New Jersey-1 | 9/13/08 | Thunderbolt Raceway | 2 | 1 |
| 10 | New Jersey-2 | 9/14/08 | Thunderbolt Raceway | 1 | 3 |
| 11 | Road Atlanta | 10/3/08 | Road Atlanta | 3 | 1 |
| 12 | Mazda Raceway Laguna Seca | 10/18/08 | Laguna Seca Raceway | 3 | 2 |