The World Challenge calendar for 2010 confirms the seven event schedule, supporting the Indycar Series on five occasions.
The series will also headline two events at Mosport & Virginia International Raceway.
The full details of the 2010 schedule are
March 28: St. Petersburg, Florida (IZOD Indycar Series Support)
April 18: Streets of Long Beach, California (IZOD Indycar Series Support)
May 23: Mosport International Raceway, Ontario - Canada (Headliner)
July 4: Watkins Glen International, New York (IZOD Indycar Series Support)
July 18: Streets of Toronto, Ontario - Canada (IZOD Indycar Series Support)
August 8: Mid-Ohio Sports Car Course, Ohio - (IZOD Indycar Series Support)
September 12: Virginia International Raceway, Virginia (Headliner)
