Toronto: #30: Christian Lundgaard, Rahal Letterman Lanigan Racing Honda, #29: Devlin DeFrancesco, Andretti Steinbrenner Autosport Honda, #26: Colton Herta, Andretti Autosport w/ Curb-Agajanian Honda and #12: Will Power, Team Penske Chevrolet
#30: Christian Lundgaard, Rahal Letterman Lanigan Racing Honda, #29: Devlin DeFrancesco, Andretti Steinbrenner Autosport Honda, #26: Colton Herta, Andretti Autosport w/ Curb-Agajanian Honda and #12: Will Power, Team Penske Chevrolet