Sebring 12H, Florida

5

11

19-20/04

Long Beach, California

4

5

09-11/05

Laguna Seca, California

5

05-06/07

Lime Rock Park, Connecticut

19-21/07

Mosport, Ontario

09-11/08

Road America, Wisconsin

30-31/08

Baltimore, Maryland

19-21/09

Circuit of The Americas, Austin

03-05/10

Virginia International Raceway, Virginia

16-19/10

Petit Le mans, Georgia

28-30/06

Sahlen´s Six Hours of the Glen, Watkins Glen

26/07

Indianapolis Motor Speedway