Bijie City, China · Saturday, May 2, 2026

Fixed Distance 50K

Ultra Trail Challenge Bailidujuan 50

Race completed

50 km Distance

1,840 m Climbing

5.3 Grit · Challenging

27.2840° N, 105.2916° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 37 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 14 hours 16:48 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 85% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~512 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, May

Daytime high 24°C

Night low 12°C

Rainfall Showers likely

Daylight 13 h 12 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 1614 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	512	Yi Zheng · 05:07:18	Ya-Lan Wu · 05:39:21
2024	50km	531	Yi Yang · 04:34:38	Ai-Li Wang · 05:33:51
2023	50km	208	Zong-Yong Xia · 04:46:49	Li-Na Fan · 05:58:54
2019	60km	325	Jian-Jian Yang · 05:59:22	Li-Ting Zhou · 07:32:43
2018	50km	88	Gui-Fei Ma · 05:48:40	Na Yang · 07:00:22
2017	60km	113	Qiu-Bin Lin · 07:58:11	Lian Zhang · 09:48:41

The field has held steady: 531 in 2024, 512 in 2025. 36% of the 2025 field were women.

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.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail with 1,840 m of ascent.

Trail Running Shoes 37 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 1,840 m of ascent to walk up.
Headlamps A 14 h limit puts you out there after dark.

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Komperdell

Carbon Ultralight Vario 4

4-section folding carbon poles with compact pack size for mandatory gear.

$160 ★★★★★ 4.5

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7

All gear guides →

Overview

The Ultra Trail Challenge Bailidujuan 50, a 50k trail race in Bijie City, China, presents a significant climbing challenge with 1840 meters of elevation gain over its 50-kilometer course, equating to 36.8 meters of climb per kilometer. This amount of climbing is substantial for the distance.

With 512 finishers in its latest edition, this race draws a larger field than 98% of its 50k peers. The 14-hour time limit translates to a cutoff pace of 16.8 minutes per kilometer, which is more generous than 12% of comparable 50k races, allowing a comfortable margin for completing the course. The race has been held 6 times since its first edition in 2017, with the latest edition in 2025 and the next in 2026.

Similar races

Other 50K trail ultras, closest in distance first.