Big weekend of racing in the area especially at the Iowa Speedway at Newton. Friday night the K and N Pro Series Casey`s General Stores 150 will be contested at the Iowa Speedway. The U-S Cellular 250 will be raced tomorrow night, and the race will be broadcast on KIX 101.1 with an airtime of 6:30 p.m. In Marshalltown there will be the usual Friday night racing at the Marshalltown Speedway with the green flag dropping at 7:30 p.m. On Sunday KIX 101.1 presents the Pennsylvania 400 with an airtime of 11:30 a.m.