On a day that began with the revelation of doubts surrounding the future of Acura’s involvement in IMSA, Nick Yelloly put Acura Meyer Shank Racing’s No. 93 Acura ARX-06 on the pole for Saturday's IMSA Acura Grand Prix of Long Beach.

Thomas Preining, Ricardo Feller, and Klaus Bachler grabbed the GTD Pro win in the No. 911 Manthey Porsche in only the team’s second IMSA enduro effort. The No. 77 AO Racing Porsche finished a close second in the “Roxy” colors.

It's still a Porsche 1-2 in GTP, while the No. 27 Heart of Racing Team Aston Martin Vantage GT3 has retaken the lead in GTD.

The No. 31 Cadillac Whelen V-Series.R has led from the drop of the green flag to the end of the first hour of the race.

Now-or-never time is here as the class leaders battle into the last hour of the 64th Rolex 24 At Daytona.

The two Porsche Penske Motorsport 963s still lead the 64th Rolex 24 At Daytona after two hours of racing, while the Corvette Racing by Pratt Miller Motorsports Z06 GT3.Rs have traded places at the head of the GTD Pro field.

Porsche Penske Motorsport’s quest for a Rolex 24 At Daytona three-peat began with the best time in the opening test session of the Roar Before The 24.

Mercedes-AMG teams led the way on the final day of the November IMSA Sanctioned Test at Daytona.Sunday morning’s four-hour session saw both Winward Racing Mercedes-AMG GT3 EVOs lead their respective classes. In the GTD PRO No. 48 Mercedes, Maxime Martin turned in the fastest time of the test with a...

Van der Steur Racing has announced that Eduardo “Dudu” Barrichello will make his IMSA WeatherTech SportsCar Championship debut with the team, competing in Sunday’s TireRack.com Battle on the Bricks at Indianapolis Motor Speedway.Barrichello, 23, is standing in for VDSR regular Rory van der Steur, who is recovering from a recent...

Rene Rast (Schubert Motorsport) claimed the 30th victory of his DTM career in decisive fashion on Sunday at the Nürburgring.