The Races
2005
Round 1, Laguna Seca Regional, April 2-3
Round 4, Thunderhill, June 11-12
Round 7: Laguna Seca, August 5-7
Round 8: Infineon, September 3-4
Round 9-10: Laguna Seca, October 1-2
2006
Round 4; Thunderhill, June 10-11
Round 5; Infineon, June 30-July 2