The Mobil 1 Twelve Hours of Sebring entry list has spiked with a car count increase of more than 40 percent for the second round of the 2022 IMSA WeatherTech SportsCar Championship Series. There are ...
The Hendricks Army Airfield in Sebring, Fla., hosted its first race on New Year's Eve in 1950 and its 12-hour race in 1952.