The 2018 European Le Mans Series was the fifteenth season of the Automobile Club de l'Ouest's (ACO) European Le Mans Series. The six-event season began at Circuit Paul Ricard on 15 April and finished at Algarve International Circuit on 28 October.[1] The series is open to Le Mans Prototypes, divided into the LMP2 and LMP3 classes, and grand tourer-style racing cars in the LMGTE class.[2]