About
Nam Nao Geopark Trail - 37K is a 37.0 km trail race with 1,720m elevation gain in Thailand. Terrain: mountain, forest. Near Nam Nao National Park. Rated challenging difficulty. Located near Phetchabun, Phetchabun.
Organized byKhaolungban Trail
Difficulty
Challenging54 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density46 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:11h
Run Conditions
MountainForest
Weather in Oct
Temperature
19 – 26°C
Warm
Humidity
Extreme
Rainfall
162 mm
Wet season
Sunshine
9h/day
~20 rainy days expected
Registration
Website
Deadline
Not specified
Entry fee
1,890 THB(~$58)
Travel & Logistics
VenueWat Pa Dong Mafai, Khok Mon Subdistrict, Nam Nao District, Phetchabun Province
Google MapsView on Maps
Nearest airports
LOE - Loei Airport148 km | ~2h17 driving time
KKC - Khon Kaen International Airport202 km | ~4h02 driving time
Race Day Info
GPX File
Not yet released, check again closer to race date
BiB Collection
Sat 24 Oct 2026, 11:00–18:00 at Wat Pa Dong Mafai, Khok Mon Subdistrict, Nam Nao District, Phetchabun
Mandatory Gear
- Water bottle or cup
- Mobile phone
- Whistle
- First aid kit
- Headlamp
- Hydration vest with water bag
Other Distances
Community
Reviews
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Race data is actively being refined. If something looks off, .
Sources: runlah · Enriched 2026-05-22