Laguna Seca: #9: Scott Dixon, Chip Ganassi Racing Honda, #7: Felix Rosenqvist, Arrow McLaren SP Chevrolet, #45: Oliver Askew, Rahal Letterman Lanigan Racing Honda, #8: Marcus Ericsson, Chip Ganassi Racing Honda, #22: Simon Pagenaud, Team Penske Chevrolet, #51: Romain Grosjean, Dale Coyne Racing with RWR Honda, #3: Scott McLaughlin, Team Penske Chevrolet, #18: Ed Jones, Dale Coyne Racing with Vasser Sullivan Honda
#9: Scott Dixon, Chip Ganassi Racing Honda, #7: Felix Rosenqvist, Arrow McLaren SP Chevrolet, #45: Oliver Askew, Rahal Letterman Lanigan Racing Honda, #8: Marcus Ericsson, Chip Ganassi Racing Honda, #22: Simon Pagenaud, Team Penske Chevrolet, #51: Romain Grosjean, Dale Coyne Racing with RWR Honda, #3: Scott McLaughlin, Team Penske Chevrolet, #18: Ed Jones, Dale Coyne Racing with Vasser Sullivan Honda