Racing Club de Lens is a French football club based in the northern city of Lens in the Pas-de-Calais department. Its nickname, sang et or (blood and gold), comes from its traditional colors of red and gold. Their primary rivals are their northern neighbors Lille, with whom they contest the Derby du Nord.
They play their home games at the Stade Bollaert-Delelis which has a capacity of 38,223.
They gained promotion back to Ligue 1 the 1st tier of French football in June 2020.