UMY 100M is a 161 km ultra trail of Ultra-Trail Mount Yun by UTMB 2025 in Zhangjiajie, China. The race starts on October 16, 2025. The course climbs 6354 m+ and descends 6682 m−, between a low point of 657 m and a high point of 1649 m. By gradient, 38% of the distance is uphill, 36% downhill and 26% flat. The longest climb runs 4.6 km at an average 9.4% grade (431 m of vertical). The longest descent runs 5.8 km at 7.2% (421 m of vertical). Surface: 40% trail and 9% road. Flat-equivalent effort: 215.5 FlatKM.
636 finishers completed the 2025 edition. Men's winner: Jiaju Zhao (China) in 17:51:36. Women's winner: Ronghua Deng (China) in 21:58:48.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for UMY 100M.
Other distances of Ultra-Trail Mount Yun by UTMB 2025DMY 100K (100 km)·MMY 50K (48.0 km)
Other editions of UMY 100M2026
Official websitemountyun.utmb.world