GM brands will start on both class pole positions in tomorrow’s Chevrolet Sports Car Classic in Detroit, led by the GTP pole-winning No. 31 Cadillac Whelen V-Series.R of Jack Aitken and Earl Bamber.

The No. 40 Cadillac Wayne Taylor Racing V-Series.R led a Cadillac top three lockout in opening practice for the StubHub Monterey SportsCar Championship at Laguna Seca.

There are two hours remaining in the 64th Rolex 24 At Daytona, where the running order has shuffled again after a full course yellow that came out with a little more than two and a half hours to go.

The No. 7 Porsche Penske is back in front after briefly conceding the lead to the No. 31 Cadillac Whelen V-Series.R, which now has 19-year-old Connor Zilisch behind the wheel.

As the sun begins to set over Daytona International Speedway, the No. 31 Cadillac Whelen V-Series.R now leads the 64th annual Rolex 24 At Daytona.

Whelen Cadillac's No. 31 roared to a commanding Petit Le Mans victory at Road Atlanta, with Porsche Penske Motorsport's No. 6 963 holding on to seal the 2025 GTP titles once again.

BMW M Team RLL took a 1-2 finish in Sunday's Motul SportsCar Grand Prix at Road America, led by the winning No. 24 BMW M Hybrid V8 of Philipp Eng and Dries Vanthoor.

Ahead of a pivotal qualifying session for the Chevrolet Sports Car Classic in Detroit, the No. 25 Team RLL BMW M Hybrid V8 went fastest in second practice.

IMSA has published a 27-car entry list for the Acura Grand Prix of Long Beach on April 12, the first sprint race of the WeatherTech SportsCar Championship season. The 100-minute sprint on Saturday afternoon forms part of the Long Beach GP's 50th anniversary celebrations. The entry list features 11 cars...