In GTLM, Oliver Gavin and Tommy Milner won for Corvette Racing, their second consecutive victory at the event.
[4] With 63 points, the GTLM Drivers' Championship was led by Ryan Briscoe, Scott Dixon, and Richard Westbrook with a five-point advantage over Patrick Pilet, Nick Tandy, and Frédéric Makowiecki.
[6] The GT Daytona (GTD) class did not take part in the event, owing to a lack of garage space at the circuit.
Spirit of Daytona Racing withdrew from the event following a late accident in the previous month's 12 Hours of Sebring.
[8] The first practice session took place at 7:40 AM PT on Friday and ended with Felipe Nasr topping the charts for Whelen Engineering Racing, with a lap time of 1:13.582.
[9] The second and final practice session took place at 4:45 PM PT on Friday and ended with Juan Pablo Montoya topping the charts for Acura Team Penske, with a lap time of 1:13.160.
The competitors' fastest lap times determined the starting order with the grid arranged to put the Prototype cars ahead of all the GTLM entries.