Marathon des Oussaillès

Race facts

• The course covers 42.2 km.
• It takes place on a Sunday, August 23, 2026 — summer in this part of the world.
• The closest comparable trail running event is Benasque Trail 2 Heaven in Benasque, 65 km away, on September 1, 2026.
• 7 of the 12 most similar events take place in the same month.