Yunding 30 is a 28.0 km trail race of Nike ACG 2025 Ultra-Trail Chongli 2025 in Chongli, China. The race starts on July 11, 2025. The course climbs 1283 m+ and descends 1528 m−, between a low point of 1255 m and a high point of 1999 m. By gradient, 32% of the distance is uphill, 51% downhill and 17% flat. The longest climb runs 2.8 km at an average 8.9% grade (249 m of vertical). The longest descent runs 4.2 km at 11.9% (504 m of vertical). Surface: 52% trail and 25% road. Flat-equivalent effort: 38.9 FlatKM.
2,090 finishers completed the 2025 edition. Men's winner: Aiai Shi (China) in 2:06:39. Women's winner: Kaili Wang (China) in 2:34:59.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Yunding 30.
Other distances of Nike ACG 2025 Ultra-Trail Chongli 2025Chongli 168 (172 km)·Chongli 100 (104 km)·Xueruyi 70 (72.0 km)·Thaiwoo 50 (51.0 km)
Other editions of Yunding 302026
Official websitechongli168ultratrail.com/en