Phetchabun, Thailand · Sunday, June 27, 2027

Fixed Distance 50K

Ultra-Trail Khao Kho

269 days away
50 km Distance
1,930 m Climbing
5.4 Grit · Challenging
16.4190° N, 101.1606° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

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. More forgiving than 90% of 50K races. Measured against 1034 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.

Results history

Year Race Finishers Men's winner Women's winner
2026 50km 34 Nuttapong Sreedach · 06:20:47 Tantima Assawatheeranan · 08:46:37
2024 48km 20 Phatthara Nakkarapibran · 06:02:08 Chutchadakorn Santhuenkeaw · 09:58:48
2023 48km 143 Seksan Popatsa · 04:48:40 Darika Suwanmongkol · 05:36:37
2022 48km 173 Paul Dunn · 04:32:38 Phattharaphon Noimor · 04:38:48
2019 60km 62 Sanya Khanchai · 06:06:24 Nalin Likhitthamnit · 08:50:10

The field grew 70% between 2024 (20) and 2026 (34). 21% of the 2026 field were women.

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.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

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 1,930 m of ascent.

All gear guides →

Similar races

Other 50K trail ultras, closest in distance first.