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) side, but the two were soon separated. The most notable motorcycle endurance race was the Bol d'Or, first run on the circuit of Vaujours, near Paris in 1922. Only one rider was permitted per bike and there was no stopping other than for refuelling. Motorcycle endurance racing began to expand after the second World War as new races began to emerge, among them the 24 Hour Race in Warsage, Belgium in 1951, the 24 Hours of Montjuïc in Barcelona in 1957, 24 hours in Monza, Italy in 1959, and the Thruxton 500 mile endurance race at Thruxton, Hampshire, England in