OAK Racing is an endurance racing team specialising in sports prototypes based in Le Mans, France. In 2013 it won the 24 Hours of Le Mans in LMP2 class and the 2013 FIA WEC World Champion drivers and teams on LMP2 class.

The 81st 24 Hours of Le Mans was a 24-hour automobile endurance racing event for teams of three drivers entering Le Mans Prototype and Le Mans Grand Touring Endurance cars held from 19 to 23 June 2013 at the Circuit de la Sarthe close to Le Mans, France. It was the 81st running of the event, as organised by the Automobile Club de l'Ouest (ACO) since 1923. The race was the third and the premier round of the 2013 FIA World Endurance Championship, with 32 of the race's 56 entries contesting the championship. A test day was held two weeks prior to the race on 9 June. Approximately 245,000 spectators attended the event.