Following a late flurry of fast times, Taylor’s Wayne Taylor Racing Acura – which led the way for much of the session – set the pace with a lap of 1m14.193s, 0.117s clear of Sebastien Bourdais in the first of the Chip Ganassi Racing Cadillacs.
Oliver Jarvis was third in Meyer Shank Racing’s Acura ARX-05, 0.157s off the pace, ahead of Alex Lynn in the second CGR Caddy. Pipo Derani’s Action Express-run Cadillac slumped to fifth at the end of the session, ahead of the final car in the class, Tristan Vautier’s JDC-Miller Cadillac.
The session was red flagged for a circuit inspection after off track moments at Turn 6 featuring Jarvis, Ryan Hardwick’s GTD Porsche and John Farano’s LMP2 Oreca.
Jan Heylen led the way in GTD, fourth overall in the GT class, in his Wright Motorsports-run Porsche.