MMY 50K is a 48.0 km trail race of Ultra-Trail Mount Yun by UTMB 2025 in Zhangjiajie, China. The race starts on October 16, 2025. The course climbs 2470 m+ and descends 2470 m−, between a low point of 657 m and a high point of 1613 m. By gradient, 44% of the distance is uphill, 35% downhill and 22% flat. The longest climb runs 5.3 km at an average 6.1% grade (319 m of vertical). The longest descent runs 5.7 km at 11.1% (638 m of vertical). Surface: 69% trail and 7% road. Flat-equivalent effort: 66.6 FlatKM.
1,926 finishers completed the 2025 edition. Men's winner: Tao Luo (China) in 4:08:31. Women's winner: Ting Zhang (China) in 5:16:39.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for MMY 50K.
Other distances of Ultra-Trail Mount Yun by UTMB 2025UMY 100M (161 km)·DMY 100K (100 km)
Other editions of MMY 50K2026
Official websitemountyun.utmb.world
