Juan Pablo Montoya leads the TireRack.com Grand Prix at Michelin Raceway Road Atlanta at the halfway mark of the six-hour race, in the first points-paying phase of the Michelin Endurance Cup race.
The Colombian in the No. 6 Acura ARX-05 holds a 4.573-second advantage over the No. 77 Mazda RT24-P of Olivier Pla, with Filipe Albuquerque third in the No. 31 Action Express Racing Cadillac DPi-V.R.
Ryan Briscoe led for the majority of the third hour but was forced to pit a few minutes prior to halfway after his Wayne Taylor Racing Cadillac has been been off-sequence due to a puncture in the second hour.
The No. 10 Cadillac, back in the hands of Renger van der Zande, now runs in seventh, although the remaining leaders are all due a stop.
Nick Tandy is out front in GT Le Mans despite the hood on the No. 911 Porsche 911 RSR-19 coming loose and forcing a pit stop.
Tandy is nearly four seconds ahead of the No. 25 Team RLL BMW M8 GTE of Connor De Phillippi, with the sister BMW of Jesse Krohn running third.
A left-rear puncture for the No. 4 Chevrolet Corvette C8.R of Tommy Milner has dropped the car to last in class.
Paul Miller Racing has continued to lead GT Daytona, with the team’s No. 48 Lamborghini Huracan GT3 Evo of Corey Lewis out front ahead of the No. 86 Meyer Shank Racing Acura NSX GT3 Evo of Matt McMurry.
The No. 52 PR1/Mathiasen Motorsports Oreca 07 Gibson remains in command of LMP2, with Scott Huffaker now at the wheel of the car.
The race has run green since the second hour due to debris from Milner’s puncture.