High Quality Content by WIKIPEDIA articles! Racing Club de Lens is a French football club which plays in the northern city of Lens, in the Pas-de-Calais département. Its nickname, sang et or (English: blood and gold), comes from its traditional colours of red and gold. Their primary rivals are their northern neighbors Lille OSC, whom they contest the Derby du Nord. 1905, Lens. On the place Verte (the actual place de la République), students are playing football. They do not yet know that they are writing the first lines of the history of the Racing Club de Lens. Why this name? Football was invented in England, so it was good to have a club with an Anglo-Saxon name. Moreover, the youth of that time were following the Racing Club de Roubaix and the Racing Club de France.