Detroit: #45: Christian Lundgaard, Rahal Letterman Lanigan Racing Honda, #78: Agustín Canapino, Juncos Hollinger Racing Chevrolet, #26: Colton Herta, Andretti Autosport w/ Curb-Agajanian Honda
#45: Christian Lundgaard, Rahal Letterman Lanigan Racing Honda, #78: Agustín Canapino, Juncos Hollinger Racing Chevrolet, #26: Colton Herta, Andretti Autosport w/ Curb-Agajanian Honda