North America’s top sports-car teams started turning laps that count Thursday at Daytona International Speedway. The IMSA WeatherTech SportsCar Championship series ran through qualifying for ...

Sports-car racers arrived prepared for wet weather, which we saw Thursday afternoon as Rolex 24 qualifying headlined the Daytona schedule.

The No. 6 Penske Porsche led. Hour 23 updates ... Porsche followed just a second behind. Each year, Daytona International Speedway lights up the sky with a fireworks show during the Rolex 24.

David Fumanelli led the field‘s most populous class, the 22-car Grand Touring Daytona ... the night stint. Soft compound tires are now available for GTP teams to run until 10 a.m. IMSA also ...

One of the fascinating storylines going into the 63rd Rolex 24 At Daytona examined just how different the 61-car grid looked ...

Nick Tandy and Kamui Kobayashi set identical lap times to lead the night ... by light rain throughout. Although few GTP runners hit the track early on, an increase of top-class activity led ...