Ultra Running Hub Songpan County, China · Sunday, June 28, 2026
Fixed Distance 50K
Huanglong Ultra Trail - XBD 50
Race completed
50 km Distance
2,300 m Climbing
5.9 Grit · Challenging
What the course asks
Climbing rate 46 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 15 hours
18:00 min/km average. Generous. Walkable throughout for most of the field. Among the most forgiving 50K cut-offs we track. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~384 Large. Rarely out of sight of another runner.
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, June
Daytime high 29°C
Night low 15°C
Rainfall Mostly dry
Daylight 14 h 39 m of light
Regional 2001-2020 average for June — NASA POWER, grid elevation 1204 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a mountain course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 2,300 m of ascent.
- Trail Running Shoes46 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles2,300 m of ascent to walk up.
- HeadlampsA 15 h limit puts you out there after dark.
Similar races
Other 50K trail ultras, closest in distance first.