Three hours to go:

Prototype—now #55 Mazda (Jonathan Bomarito), #31 Cadillac, #22 Nissan (seven cars remain on the lead lap)

GTLM—now #911 Porsche (12th overall), #62 Ferrari, #4 Corvette (the #3 Corvette is still 9th in class)

GTD—now #93 Acura (18th overall), #48 Lamborghini, #86 Acura

39 of the original 43 cars are still running.