Ultra Running Hub Sapa Town, Vietnam · Saturday, September 19, 2026
Fixed Distance 50K
Vietnam Mountain Marathon 50km
3 days to go
47 km Distance
2,800 m Climbing
6.5 Grit · Hardcore
What the course asks
Climbing rate 60 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 18 hours
22:59 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 ~752 Very large. Congested start, busy aid stations.
DUV results for the 2025 edition (47km) — 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
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 47 km of trail with 2,800 m of ascent.
- Trail Running Shoes60 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition47 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles2,800 m of ascent to walk up.
- HeadlampsA 18 h limit puts you out there after dark.
Course Notes
Small dirt roads and narrow trails will take you through the beautiful mountain ranges of Hoang Lien National Park.
Similar races
Other 50K trail ultras, closest in distance first.