There were four practice sessions preceding the start of the race on Saturday, three on Thursday and one on Friday. The first two one-hour sessions were on Thursday morning and afternoon. The third held later that evening ran for 90 minutes; the fourth on Friday morning lasted an hour. In the first practice session,
Olivier Pla set the fastest lap in the No. 60 MSR Ligier-Honda at 1 minute,14.157 seconds, 0.539 seconds faster than Bomarito's No. 55 Mazda. Dane Cameron was third fastest in the No. 31 AER vehicle. The fastest PC car was
Renger van der Zande's No. 8 Starworks Motorsports entry with a 1-minute, 16.235 seconds, followed by
Stephen Simpson's No. 85 JDC car. With a 1:18.840 lap, García led the GTLM class in the No. 3 Corvette, ahead of Fisichella's No. 62
Risi Competizione Ferrari 488 GTE. The seven-vehicle PC class was led by BAR1's No. 20 car, driven by Mowlem with a time of 1 minute, 16.707 seconds. Ferrari paced GTLM with Scuderia Corsa's 488 of Serra lapping 1:18.354 from Hand's second-placed No. 66 CGR Ford GT. A 1:18.240 lap saw Coletti's No. 7 Starworks Motorsport car lead PC. Müller's No. 66 Ford lead GTLM over
Alessandro Pier Guidi's No. 68 Scuderia Corsa Ferrari and Westbrook's No. 67 Ford by more than one-tenth of a second. French's No. 38 PTM Oreca led PC with a 1:15.925 lap, faster than Kimber-Smith's No. 52 PR/1 vehicle. Ferrari occupied first and second in GTLM with Serra's No. 68 Scuderia Corsa car faster than Vilander's Risi 488 by two-tenths of a second. Lally's No. 44 Magnus Racing Audi R8 led GTD, and
Jeroen Bleekemolen, in the No. 33 Riley Motorsport Dodge, was second in class. ==Qualifying==