| 1 | Drift Atlanta R1 | 5/13/06 | Road Atlanta | 13 | 21 |
| 2 | Drift Atlanta R2 | 5/13/06 | Road Atlanta | 13 | 27 |
| 3 | Mid Ohio R3 | 5/20/06 | Mid-Ohio Sports Car Course | 13 | 9 |
| 4 | Mid Ohio R4 | 5/21/06 | Mid-Ohio Sports Car Course | | 10 |
| 5 | Portland R5 | 6/17/06 | Portland International Raceway | 11 | 12 |
| 6 | Portland R6 | 6/18/06 | Portland International Raceway | 13 | 26 |
| 7 | Cleveland R7 | 6/24/06 | Grand Prix of Cleveland | 22 | 21 |
| 8 | Cleveland R8 | 6/25/06 | Grand Prix of Cleveland | | 25 |