Races
Nike ACG Ultra-Trail Chongli
China, July. 168 km on 75% trail. +44,836 ft of climbing. 38 hours cutoff.
- Start6,703 ft
- High6,906 ft
- Low6,597 ft
- Finish6,624 ft
- China at mile 0.0
- Nike ACG Ultra-Trail Chongli mile 21 at mile 21, cutoff 7.6000000000000005 hours
- Nike ACG Ultra-Trail Chongli mile 42 at mile 42, cutoff 15.200000000000001 hours
- Nike ACG Ultra-Trail Chongli mile 62 at mile 62, cutoff 22.8 hours
- Nike ACG Ultra-Trail Chongli mile 83 at mile 83, cutoff 30.400000000000002 hours
- Finish China at mile 104, cutoff 38 hours
Geometrycourse math
The cruxHumid climbs, ridge exposure, and aid gaps in remote terrain (near mile 68)
Course DNA
The Course
Nike ACG Ultra-Trail Chongli runs 168 km through China. Surfaces skew 75% trail / 20% dirt road / 5% paved. Humid climbs, ridge exposure, and aid gaps in remote terrain. High point near 6,906 ft. Low near 6,594 ft. July temps run 50°F to 85°F. The course rewards patience early and punishes rushed descents after mile 52.
The Work
Train for the climbing across 168 km. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 38 hours total means limited margin: rehearse fueling every 45 to 60 minutes and downhill eccentric work weekly. Technicality 5/10. Build a block that simulates the crux near mile 68.
Kit
July in China: plan for 50°F to 85°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 38 hours pushes past dark. Poles help on sustained climbs above mile 26. Vest capacity for 2 liters minimum. Shoes matched to 75% trail: lugs for mud, rock plate if the course turns technical after mile 52.
Race Day
Hold effort through mile 26. The field often splits on the first big climb after mile 52. Humid climbs, ridge exposure, and aid gaps in remote terrain near mile 68 is where time is won or lost. Walk the steep pinches. Run the flats and gentle downhills. Crew at major aids: socks, calories, ice if hot. Transitions under 5 minutes when possible. Final third is 34 miles of fatigue management. Finish with reserve for the last descent.
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