DL50 Ultra Endurance Race

Race completed

50 km Distance

2,700 m Climbing

6.6 Grit · Hardcore

38.9140° N, 121.6147° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 54 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 17 hours 20:24 min/km average. Generous. Walkable throughout for most of the field. Among the most forgiving 50K cut-offs we track. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~715 Very large. Congested start, busy aid stations.

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 17°C

Night low 12°C

Rainfall Mostly dry

Daylight 14 h 30 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 13 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	715	Hao-Bo Sun · 05:56:31	Shu-Qing Xiong · 07:17:30
2024	50km	614	Hao-Bo Sun · 05:09:49	Hong Wang · 06:41:57
2023	51.2km	232	Kai-Li Wang · 05:50:54	Jing Wang · 07:24:14
2020	51.2km	176	Grigory Maksimov · 06:48:29	Lin Chen · 07:54:09
2019	56km	242	Guang-Qiang Zhou · 05:30:21	Xian-Fang Wang · 06:52:30
2018	50km	166	Qi-Yun Guo · 06:02:30	Hong-Ying Li · 06:47:22
2017	50km	231	Kuo Li · 06:02:45	Na Zhang · 06:52:31
2016	50km	106	Zi-Chen Wang · 05:42:05	Ya-Nan Liu · 07:13:28
2015	50km	206	Long-Fei Yan · 05:05:48	Li Dong · 06:09:46
2014	50km	163	Yan Shi · 06:01:24	Sabrina Dumont · 07:19:01

The field grew 16% between 2024 (614) and 2025 (715). 33% 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 mountain course. Poles are highly recommended for the sustained climbs.

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 2,700 m of ascent.

Trail Running Shoes 54 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 2,700 m of ascent to walk up.
Headlamps A 17 h limit puts you out there after dark.

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

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