About
Khaolangbann Trail - 40K is a 40.0 km full marathon category race with 2,490m elevation gain in Thailand. Terrain: mountain. Near Khao Kho National Park. Rated challenging difficulty. Located near Phetchabun, Phetchabun.
Organized byKhaolungban Trail
Difficulty
Challenging65 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density62 m/km · Very Hard
Elevation Density =elevation gain (m)distance (km)
Time limit:14h
Run Conditions
Mountain
Weather in Jul
Temperature
21 – 27°C
Warm
Humidity
Extreme
Rainfall
233 mm
Wet season
Sunshine
8.7h/day
~28 rainy days expected
Registration
Website
Deadline
Registration may already be closed — check with organizers
Entry fee
1,990 THB(~$61)
Travel & Logistics
VenueThung Samo Subdistrict Administrative Organization, Phetchabun province
Google MapsView on Maps
Nearest airports
PHS - Phitsanulok Airport147 km | ~2h56 driving time
LOE - Loei Airport196 km | ~3h55 driving time
Race Day Info
GPX File
Not available — check the website for more details
BiB Collection
Not available — check the website for more details
Mandatory Gear
Not available — check the website for more details
Other Distances
Community
Reviews
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Race data is actively being refined. If something looks off, .
Sources: runlah, website · Enriched 2026-05-07