The Marseille-Cassis Classique Internationale is an annual half marathon which follows a course from Marseille to Cassis in France during the last weekend in October. It has the silver label of the IAAF Road Race Label Events and is thus among the ten more prestigious half marathon races in the world. First organised by the SCO Sainte-Marguerite sports club in 1979, the event has grown into a large international competition, with around 20,000 runners competing every year. The course distance of 20,308 metres falls slightly short of the true half marathon distance (21,097.5 m). Since 2012, the course has been shortened by 308 metres so the total distance of the course became exactly 20 kilometres. Still, the race is made more difficult by a long 327 m rise up a hill—the —at the midpoint of