2018 Pirelli World Challenge silly season
2018 Pirelli World Challenge calendar:
March 9-11: St. Petersburg
March 23-25: Austin
April 13-15: Long Beach
April 27-29: Virginia
May 18-20: Mosport Park
May 25-26: Lime Rock Park
June 22-24: Road America
July: to be announced
Aug 10-12: Utah
Sept: to be announced
Oct 19-21: Laguna Seca (8 Hours)
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