Laguna Seca: #63 Scuderia Corsa Ferrari 488 GT3, GTD: Cooper MacNeil, Gunnar Jeannette, #912 Porsche Team North America Porsche 911 RSR, GTLM: Laurens Vanthoor, Earl Bamber, #58 Wright Motorsports Porsche 911 GT3 R, GTD: Patrick Long, Christina Nielsen
#63 Scuderia Corsa Ferrari 488 GT3, GTD: Cooper MacNeil, Gunnar Jeannette, #912 Porsche Team North America Porsche 911 RSR, GTLM: Laurens Vanthoor, Earl Bamber, #58 Wright Motorsports Porsche 911 GT3 R, GTD: Patrick Long, Christina Nielsen