Laguna Seca: #55 Mazda Team Joest Mazda DPi, DPi: Jonathan Bomarito, Harry Tincknell, #5 Mustang Sampling Racing Cadillac DPi, DPi: Joao Barbosa, Filipe Albuquerque, #31 Whelen Engineering Racing Cadillac DPi, DPi: Felipe Nasr, Pipo Derani
#55 Mazda Team Joest Mazda DPi, DPi: Jonathan Bomarito, Harry Tincknell, #5 Mustang Sampling Racing Cadillac DPi, DPi: Joao Barbosa, Filipe Albuquerque, #31 Whelen Engineering Racing Cadillac DPi, DPi: Felipe Nasr, Pipo Derani