Roger Penske's prototype Porsche has swept historic races at Daytona and Sebring to begin the year. A Porsche, and Mercedes, also got GTD wins.

Scott Dixon will ‘keep knocking on the door’ as he chases an elusive victory in the Mobil 1 Twelve Hours of Sebring, as a race win in the Florida endurance classic has thus far escaped him during his ...

For now, anyway. Daytona International Speedway made it official Thursday with the release of dates for next year ...