Iowa II: #6: Felix Rosenqvist, Arrow McLaren Chevrolet #5: Pato O'Ward, Arrow McLaren Chevrolet #7: Alexander Rossi, Arrow McLaren Chevrolet
#6: Felix Rosenqvist, Arrow McLaren Chevrolet #5: Pato O'Ward, Arrow McLaren Chevrolet #7: Alexander Rossi, Arrow McLaren Chevrolet