Iowa: #21: Harrison Burton, Wood Brothers Racing, Menards / MasterForce Tools Ford Mustang #11: Denny Hamlin, Joe Gibbs Racing, Interstate Batteries Toyota Camry #6: Brad Keselowski, RFK Racing, King's Hawaiian - Casey's Ford Mustang
#21: Harrison Burton, Wood Brothers Racing, Menards / MasterForce Tools Ford Mustang #11: Denny Hamlin, Joe Gibbs Racing, Interstate Batteries Toyota Camry #6: Brad Keselowski, RFK Racing, King's Hawaiian - Casey's Ford Mustang