Gateway: #7: Alexander Rossi, Arrow McLaren Chevrolet #6: Felix Rosenqvist, Arrow McLaren Chevrolet #15: Graham Rahal, Rahal Letterman Lanigan Racing Honda
#7: Alexander Rossi, Arrow McLaren Chevrolet
#6: Felix Rosenqvist, Arrow McLaren Chevrolet
#15: Graham Rahal, Rahal Letterman Lanigan Racing Honda