Northern Conference, Formula Mazda
Jason Vinkemulder, of Spring Lake, Mich., wrapped up his 2013 Northern Conference Formula Mazda Championship run in five races. Driving the No. 10 Vinkemulder Financial Star Mazda Formula Mazda, he tallied back-to-back wins at Michigan International Speedway and Gingerman Raceway. In his only other race at Road America, Vinkemulder finished eighth. He also was a two-time polesitter during the season.