Ultra Running Hub Khumbu Valley, Nepal · Friday, May 29, 2026
Fixed Distance 50 mi
Mount Everest 70 km Extreme Ultra Marathon
Race completed
70 km Distance
2,260 m Climbing
6.9 Grit · Hardcore
What the course asks
Climbing rate 32 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 17 hours
14:34 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 85% of 50 mi races. Measured against 486 races of the same distance. Cut-off calculator →
Field size ~14 Tiny. You will run alone for most of it.
DUV results for the 2025 edition (70km) — 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 6°C
Night low -5°C
Rainfall Mostly dry
Daylight 13 h 45 m of light
Regional 2001-2020 average for May — NASA POWER, grid elevation 4855 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 70 km of trail with 2,260 m of ascent.
- Trail Running Shoes32 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition70 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles2,260 m of ascent to walk up.
- HeadlampsA 17 h limit puts you out there after dark.
Course Notes
Extreme ultra marathon from Mount Everest Basecamp at the altitude of 5364m on the Khumbu Icefall to the scenic "sherpa capital" Namche Basar.
Similar races
Other 50 mi trail ultras, closest in distance first.