Mark Alan Webber is a retired Australian racing driver who competed in Formula One from 2002 to 2013 and the FIA World Endurance Championship (WEC) between 2014 and 2016. He also won the 2015 FIA WEC championship title for Porsche with German Timo Bernhard and New Zealander Brendon Hartley.

The 2015 FIA World Endurance Championship season was the fourth season of the FIA World Endurance Championship auto racing series, co-organized by the Fédération Internationale de l'Automobile (FIA) and the Automobile Club de l'Ouest (ACO). The series was open to Le Mans Prototypes and grand tourer-style racing cars meeting four ACO categories. World championship titles were awarded for Le Mans Prototypes drivers and for manufacturers in the LMP1 category, and several World Endurance Cups and Endurance Trophies were also awarded in all four categories. The season began at the Silverstone Circuit in April and ended at the Bahrain International Circuit in November after eight rounds, and included the 83rd running of the 24 Hours of Le Mans.