Daytona International Speedway
January 28-29

Watkins Glen International
July 1

Barber Motorsports Park
March 31

Indianapolis Motor Speedway
July 27

Homestead-Miami Speedway
April 29

Watkins Glen International
August 11

New Jersey Motorsports Park
May 13

Circuit Gilles Villeneuve (Montreal)
August 18

Detroit/Belle Isle
June 2

Mazda Raceway Laguna Seca
September 9

Mid-Ohio Sportscar Course
June 9

Lime Rock Park
September 29

Road America
June 23