Date Location February 13-15 Phoenix International Raceway Phoenix, AZ March 4-8 Daytona International Speedway Daytona, FL April 17-19 Laguna Seca Raceway Monterey, CA April 24-26 Willow Springs Raceway Rosamond, CA May 1-3 Sears Point Raceway Sonoma, CA June 12-14 Road America Elkhart Lake, WI June 19-21 New Hampshire International Speeway Loudon, NH June 26-28 Brainerd International Raceway Brainerd, MN July 17-19 Mid-Ohio Sports Car Course Lexington, OH September 4-6 Pike's Peak International Raceway Colorado Springs, CO October 2-4 Las Vegas Motor Speedway Las Vegas, NV