Classic Endurance Racing and S cars with either +2.0L or -2.0L size engine. There are also two grand tourer classes, GT1 and GT2. Classic Endurance Racing Classic Endurance Racing (commonly abbreviated as CER) is a sports car racing series founded in 2004 by Patrick Peter's Peter Auto Ltd. It features classic sports cars and its aim is to support the endurance racing revival. The series consists of events in various European countries. Each race is one hour long. Previously it was a support event for the Le Mans Series. The 2015 season features six standalone rounds: All cars are to be manufactured between
Endurance racing (motorsport) km. The 1908 New York to Paris Race covered a distance of over 16,000 km, taking 169 days from February 12 to July 30. In the beginning of formalised endurance racing, the races tended to be for sports cars while the Grand Prix cars of the era began to evolve into the open wheel racing cars of today and ran over shorter distances. Over time sports cars began to evolve away from their roots as a production based alternative to pure-bred racing machines of Grand Prix cars, which led to the creation of GT and touring car racing classes, and