Sebring International Raceway in Sebring, Florida is among the earliest continuously-operating vehicle race course in the Usa, organizing its very first race in 1950. Sebring is one of the most renowned classic race course in Northern American cars racing, and the 12 Hours of Sebring is fabulous in the sports car circuit. The raceway occupies a section of Sebring Regional Flight terminal, an energetic airport for personal and industrial website traffic that was originally constructed as a WWII Army Air Force training base. The first 12 Hours of Sebring was composed 1952, and turned into a significant international nationality. In 1959, the racetrack hosted the initial Solution One United States Grand Prix. The 3.7-mile asphalt/concrete road program with 17 turns was renowned for its fast Turn 17, a long, rough, fast, appropriate turn that could make or break an auto's speed down the long straightaway.