Hoka UTMB Mont-Blanc — UTMB 171K

Race facts

• The course covers 171 km with 10,000 m of elevation gain.
• It takes place on a Monday, August 24, 2026 — summer in this part of the world.
• The closest comparable trail running event is Ultra Trail du Mont Blanc UTMB 171K 2026 in Chamonix, 0 km away, on August 28, 2026.
• 12 of the 12 most similar events take place in the same month.