The fastest lap times from these 12 cars were just 1½ to 2 seconds slower than the GTPs, with top average speeds of 130 mph. LIVE ROLEX UPDATES: 24 Hours of Daytona: Live updates, highlights ...

Before the Daytona 500 takes center stage next month, Daytona International Speedway hosts one of the world's premier sports car races on its road course. The 61st Rolex 24 at Daytona is a 24 ...

The twice-around-the-clock event marks the start of the IMSA SportsCar Championship each year at Daytona ... the Cadillac GTP cars finished third, fourth, and fifth after 24 hours, behind the ...

DAYTONA BEACH ... like the famed Rolex 24 in January, runs twice around the clock (plus the bonus hour), but unlike the Rolex 24, six classes of cars alternate track time in one-hour stints ...

However, unlike NASCAR, IndyCar, or even F1 where all the cars are of the same class, or in a simpler way - have about the same pace, the 24 Hours of Daytona, the most awaited race of the IMSA ...

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?

Thursday night, the fastest GTP cars were navigating the 3.56-mile, 12-turn Daytona road course in about ... are a big part of what makes the Rolex 24 so challenging for the drivers.