RELATED: Play NASCAR Fantasy Live The relationship between Iowa Speedway and its hometown reached another level Thursday. The 0.875-mile track announced Thursday that the City of Newton will be the title sponsor of its season-opening May 18 race for the NASCAR Nationwide Series. The Get to Know Newton 250 presented by Sherwin-Williams will be the first of two Nationwide races at Iowa Speedway, which also hosts one race for the NASCAR Camping World Truck Series. More...