Ultra Running Hub Phetchabun, Thailand · Sunday, June 27, 2027
Fixed Distance 50K
Ultra-Trail Khao Kho
284 days away
50 km Distance
1,930 m Climbing
5.4 Grit · Challenging
What the course asks
Climbing rate 39 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
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 ~34 Small. Long stretches with nobody in sight.
DUV results for the 2026 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 22°C
Rainfall Showers likely
Daylight 13 h 06 m of light
Regional 2001-2020 average for June — NASA POWER, grid elevation 509 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 50 km of trail with 1,930 m of ascent.
- Trail Running Shoes39 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 Poles1,930 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.