Corvette Racing's return to the American Le Mans series is now official. PlanetLeMans.com is reporting that the two Corvette C6.Rs have officially been entered to run in the GT2 class at the Acura Sports Car Challenge in Mid-Ohio. The #3 and #4 Corvettes will now go head to head with Ferrari, Porsche, Panoz, BMW, Ford and Dodge in what looks to be one of the most diverse and competitive classes in auto racing.