Les foulées O2 l'air

Race facts

• The course covers 20 km.
• It takes place on a Sunday, August 23, 2026 — summer in this part of the world.
• The closest comparable running event is Hartsop Hop in Hartsop, 642 km away, on August 22, 2026.
• 12 of the 12 most similar events take place in the same month.