LEXINGTON, Ohio – Mike Skeen, of Charlotte, N.C., scored a World Challenge GT Championship debut victory Saturday, winning the first half of the Optima Batteries Mid-Ohio Grand Prix Presented by GameStreamer at Mid-Ohio Sports Car Course. Ryan Eversley, of Atlanta, Ga., accomplished a similar feat in Touring Car, while Peter Cunningham, of Milwaukee, Wis., took his record-extending 37th series win, in GTS.