The GTP prototypes are the fastest on track, turning laps about 10 seconds quicker than the GTD cars. See their times and miles per hour.

The history transcends sports cars: When NASCAR founder Bill France created the Daytona Continental in 1962, the concept of the Rolex 24 forerunner was to showcase world-class drivers from various ...

He’s a regular at each year’s Indy 500, has attended other IndyCar races as well as a sports-car race at Lime Rock, but has ...

You can do some digging and learn the differences in the different classes of cars that make up the 61-car Rolex 24 at Daytona. But what do those differences mean when the stopwatch comes out?