IMSA PROTOTYPE CHALLENGE DRIVERS USA Jarett Andretti USA Ari Balogh USA Natasha Balogh United Kingdom Matt Bell USA Jon Brownson USA Alan Brynjolfsson USA Dario Cangialosi USA Jim Cox USA Courtney Crone USA Dakota Dickerson USA James French USA Dan Goldburg USA Keith Grant USA David Grant USA Bruce Hamilton USA Tristan Herbert USA Trent Hindman Germany Laurents Hoerr USA Scott Huffaker USA Bob Iversen USA Mel Johnson Estonia Tonis Kasemets Canada Danny Kok Germany Moritz Kranz Sweden Rasmus Lindh USA Peter Ludwig Scotland Stevan McAleer USA Thomas Merrill USA Indy Al Miller USA Blake Mount USA Terry Olson USA Eric Palmer USA Greg Palmer USA Jason Rabe USA Naveen Rao USA Joe Robillard USA Josh Sarchet USA Steve Scullen Canada George Staikos USA Steven Thomas