Iowa: #5: Kyle Larson, Hendrick Motorsports, HendrickCars.com Chevrolet Camaro #14: Chase Briscoe, Stewart Haas Racing, Mahindra USA 30 Years Ford Mustang #12: Ryan Blaney, Team Penske, Advance Auto Parts Ford Mustang
#5: Kyle Larson, Hendrick Motorsports, HendrickCars.com Chevrolet Camaro #14: Chase Briscoe, Stewart Haas Racing, Mahindra USA 30 Years Ford Mustang #12: Ryan Blaney, Team Penske, Advance Auto Parts Ford Mustang