Ban Phaeng, Thailand · Sunday, November 1, 2026
Fixed Distance 50K
Ultra Nakee Naka Trail
46 days away
50 km Distance
1,503 m Climbing
4.8 Grit · Challenging
What the course asks
Climbing rate 30 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 12 hours
14:24 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 70% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~98 Mid-sized. Company early, well spread out by halfway.
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, November
Daytime high 26°C
Night low 17°C
Rainfall Dry — rain unlikely
Daylight 11 h 30 m of light
Regional 2001-2020 average for November — NASA POWER, grid elevation 331 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 1,503 m of ascent.
- Trail Running Shoes30 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 Poles1,503 m of ascent to walk up.
- HeadlampsA 12 h limit puts you out there after dark.
Similar races
Other 50K trail ultras, closest in distance first.