Joao Barbosa holds a three-lap lead over his Action Express Racing teammate Felipe Nasr with three hours remaining in the Rolex 24 at Daytona.
Barbosa and his co-drivers Joao Barbosa and Christian Fittipaldi No. 5 Cadillac DPi-V.R have led overall for the better part of the last five hours.
The No. 31 Cadillac of Nasr, Mike Conway, Stuart Middleton, and Eric Curran lost significant time with just under ten hours to go when they made a brief trip behind the wall to resolve a cooling issue.
Loic Duval has the No. 54 CORE autosport Oreca 07 Gibson running third overall, four laps behind the leaders.
Ford Chip Ganassi Racing continues to run a dominant 1-2 in GT Le Mans, with the No. 66 Ford GT of Sebastien Bourdais leading Scott Dixon in the No. 67 entry by four seconds. The pair has led all but ten laps of the race between them so far.
Mike Rockenfeller has the No. 3 Chevrolet Corvette C7.R hanging on the tail end of the lead lap with the No. 4 Corvette of Tommy Milner two laps further down the road.
GT Daytona remains the most competitive class with the top-four cars still on the same lap, led by Franck Perera in the No. 11 Grasser Racing Team Lamborghini Huracan GT3.
Lucas Stolz, AJ Allmendinger, ad Bryan Sellers run second, third, and fourth for Riley Motorsports, Michael Shank Racing, and Paul Miller Racing, respectively.