The Road America 240 got off to a rough start but featured a frenetic finish, with Eric Foss and Kenton Koch muscling their way to the overall and Grand Sport (GS) class win in the IMSA Michelin Pilot Challenge race. Driving the No. 56 Murillo Racing Mercedes-AMG GT GT4, Koch forced his way past Alec Udell in the No. 66 Kelly Moss Porsche 718 GT4 RS Clubsport at Turn 8 of Road America’s 14 corners with five minutes remaining in the four-hour contest. Koch pulled away to claim the victory by 0.896s over Gregory Liefooghe in the No. 43 Stephen…