Harry Tincknell leads the Mobil 1 Twelve Hours of Sebring with just over three hours remaining.
The No. 55 Mazda RT24-P held a narrow advantage over the No. 01 Chip Ganassi Racing Cadillac DPi-V.R of Kevin Magnussen just prior to the nine-hour mark following a frantic few hours that has seen contenders in both DPi and GT Le Mans face setbacks.
While Juan Pablo Montoya runs in third in the No. 60 Meyer Shank Racing Acura ARX-05, the No. 10 Acura DPi of Filipe Albuquerque has dropped to fifth after serving a drive-through penalty for incident responsibility after contact with the No. 14 Vasser Sullivan Lexus RC F GT3 of Jack Hawksworth.
Hawksworth later stopped on track to bring out the race’s fifth full course caution, coming in the ninth hour.
A series of pit stops and driver change for the No. 48 Action Express Racing Cadillac put the No. 55 Mazda of Jonathan Bomarito into the lead in the seventh hour, which Bomarito held over a hard-charging Renger van der Zande.
The No. 01 CGR Cadillac dropped back slightly on the driver change to Magnussen, who remains in contention.
WeatherTech Racing has emerged into the class lead of GT Le Mans following a series of miscues and a spin for the No. 3 Chevrolet Corvette C8.R of Nicky Catsburg.
Matt Campbell holds a half-second lead over the No. 25 Team RLL BMW M8 GTE of Philipp Eng, with teammate Augusto Farfus in third.
Catsburg has dropped to fourth, one lap behind, after two separate pit lane communication issues and a spin by the Dutchman on the restart with three hours and 28 minutes to go.
GT Daytona is being led by the No. 9 Pfaff Motorsports Porsche 911 GT3 R of Zach Robichon, who is in a close battle with Madison Snow and Jan Heylen.
The No. 52 PR1/Mathiasen Motorsports Oreca 07 Gibson and No. 74 Riley Motorsports Ligier JS P320 Nissan hold control of LMP2 and LMP3, respectively.