SEBRING, Fla.—The 64th running of the IMSA WeatherTech Mobil 1 Twelve Hours of Sebring Fueled by Fresh From Florida—that’s the official name of the Sebring 12 Hours—starts at 10:40 a.m. this Saturday, March 19. Practice for the race started Thursday morning, with 49 cars entered in the four classes: 12 Prototypes, 7 Prototype Challenge, 10 GT Le Mans, and 20 in GT Daytona.
The event is supported by a series of support events: the Continental Tire Sportscar Challenge Sebring 150 starts at just after noon Friday, with Mazda Lites, Porsche GT3 Cup, and Historic Sportscar Racing each running a pair of races.






