The 2018 Iowa 250 presented by Enogen was the 14th stock car race of the 2018 NASCAR Xfinity Series season and the 8th iteration of the event. The race was held on Sunday, June 17, 2018, in Newton, Iowa at Iowa Speedway, a 7⁄8 mile (1.4 km) permanent D-shaped oval racetrack. The race took the scheduled 250 laps to complete. At race's end, JR Motorsports driver Justin Allgaier would dominate the race to win his seventh career NASCAR Xfinity Series win and his second of the season. To fill out the podium, Christopher Bell of Joe Gibbs Racing and Daniel Hemric of Richard Childress Racing would finish second and third, respectively.