Chihuahua By UTMB 100K

Race facts

• The course covers 100 km with 4,400 m of elevation gain.
• It takes place on a Saturday, October 3, 2026 — autumn in this part of the world.
• The closest comparable trail running event is Zion 100-Mile Challenge in Twin Knolls Rd, 1,190 km away, on August 19, 2026.