Classic Endurance Racing
# 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.

## Format

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:

* Spa Classic – Circuit de Spa-Francorchamps (Belgium)
* Grand Prix de l'Age d'Or – Dijon-Prenois (France)
* Dix Mille Tours – Circuit Paul Ricard (France)
* Monza Historic – Autodromo Nazionale Monza (Italy)
* Vallelunga Classic – ACI Vallelunga Circuit (Italy)
* Algarve Classic Festival – Autodromo Internacional do Algarve (Portugal)

## Regulations

All cars are to be manufactured between the years 1966 and 1979. It consists of four classes, Proto 1 and Proto 2, which consist of Group P and S cars with either +2.0L or -2.0L size engine. There are also two grand tourer classes, GT1 and GT2.

