In September 2020 Phil followed this with victory in the LMP2 class in the delayed Le Mans 24 Hours, thereby securing the LMP2 title with a race in hand. By doing so, he became the first driver to win the FIA World Endurance Championship (LMP2), European Le Mans Series and the Le Mans 24 Hours (LMP2) all in the same year. He is also the youngest driver ever to win a WEC title and the youngest British driver to win LMP2 at Le Mans.