Laguna Seca: #77 Mazda Team Joest Mazda DPi, DPi: Oliver Jarvis, Tristan Nunez, #4 Corvette Racing Corvette C7.R, GTLM: Oliver Gavin, Tommy Milner, #3 Corvette Racing Corvette C7.R, GTLM: Jan Magnussen, Antonio Garcia, #912 Porsche GT Team Porsche 911 RSR, GTLM: Earl Bamber, Laurens Vanthoor
#77 Mazda Team Joest Mazda DPi, DPi: Oliver Jarvis, Tristan Nunez, #4 Corvette Racing Corvette C7.R, GTLM: Oliver Gavin, Tommy Milner, #3 Corvette Racing Corvette C7.R, GTLM: Jan Magnussen, Antonio Garcia, #912 Porsche GT Team Porsche 911 RSR, GTLM: Earl Bamber, Laurens Vanthoor