WKA 06.09.2008 The Dunlop Tire Road Racing Series driven by Mazda will make stop no. 4 of 8 with the running of the Elite Karting Grand Nationals the weekend of June 13-15 at the famed Mid Ohio Sports Car Course in Lexington, OH. This year’s event, hosted annually by the Dart Kart Club, will provide the perfect canvas for a weekend full of exciting competition, as road racers from all over will be on hand.