In the 1955 Tour de France, Dumas attended the French rider Jean Mallejac when he collapsed in the Tour de France on Mont Ventoux. Ten kilometres from the summit, said the historian of the Tour de France, Jacques Augendre, Mallejac was: Streaming with sweat, haggard and comatose, he was zigzagging and the road wasn't wide enough for him... He was already no longer in the real world, still less in the world of cyclists and the Tour de France. Mallejac collapsed, one foot still in a pedal, the other pedalling in the air. He was completely unconscious, his face the colour of a corpse, a freezing sweat ran on his forehead. He was hauled to the side of the road and Dumas summoned. Georges Pahnoud of the Télégramme de Brest reported: