It was at 9am this Saturday morning that the first participants set off for this 37th marathon in the Ardèche gorges with the Ard’river paddle. Three hundred volunteers are mobilized for the good organization of the event. The start of the Pont-d’Arc challenge was given at 10 a.m. and the main event of the international marathon begins at 11 a.m. from the place called Petite Mer in Vallon-Pont-d’Arc. The awards ceremony will take place around 3 p.m. in Saint-Martin-d’Ardèche.