Iowa: Simon Pagenaud, Team Penske Chevrolet, Will Power, Team Penske Chevrolet, Ryan Hunter-Reay, Andretti Autosport Honda, Scott Dixon, Chip Ganassi Racing Honda
Simon Pagenaud, Team Penske Chevrolet, Will Power, Team Penske Chevrolet, Ryan Hunter-Reay, Andretti Autosport Honda, Scott Dixon, Chip Ganassi Racing Honda