Big race weekend underway at the Iowa Speedway at Newton. Tonight the M and M`s 200 will be raced on the Camping World Truck Series with a green flag at 7:30. Tomorrow the American Ethanol E-15 250 will be contested on the Xfinity series circuit, again with a green flag of 7:30. Fans going north/south to the track are urged to take Iowa Highway 14 to Interstate 80 and take exit 168 and follow traffic directions that are given. The race tomorrow will be broadcast on KIX 101.1 at seven o’clock p-m.