The No. 4 Black Falcon Mercedes-AMG GT3 leads the Hankook 24H COTA at the 11-hour mark, with the race stopped for the overnight intervention.
The WeatherTech-sponsored car of Jeroen Bleekemolen, Felipe Fraga, Ben Keating and Cooper MacNeil holds a crucial one-lap lead over the 90 Toksport WRT Mercedes of Axcil Jefferies in second.
The margin came thanks to a segment-ending Code 60 for an incident that padded the Brazilian’s lead, despite making an unscheduled stop with 22 minutes remaining for a suspected puncture.
Robert Renauer in the No. 91 Herberth Motorsport Porsche 911 GT3 R was also unable to remain on the lead lap and will take the 8 a.m. CT restart, for the final 13 hours of racing, one lap behind in third.
The No. 85 CP Racing Mercedes runs fourth, with the No. 34 Car Collection Motorsport Audi R8 LMS GT3 Evo completing the top-five overall.
VOLT Racing’s Porsche runs seven laps down in sixth after early race issues that included a left-rear puncture for Trent Hindman.
Kelly-Moss Road and Race holds command of the 991 class with its Porsche 911 GT3 Cup car, while Leipert Motorsport leads SPX with its Lamborghini Hurcan Super Trofeo.
The GT4 class lead changed hands in the seventh hour when the No. 433 Winward Racing Mercedes-AMG GT4 came into the pits with terminal engine failure.
It has handed the top spot to the No. 388 ST Racing BMW M4 GT4, which was taken to the intervention by Jason Wolfe.
Other early retirements included the A6-Am class Toksport WRT Mercedes and the Atlanta Speedworks Honda Civic Type-R TCR, which brought out the race’s first Code 60 after sustaining an engine failure.
The No. 101 Red Camel-Jordans.nl Cupra TCR DSG, meanwhile, leads the TCR class.