About
Promlok Trail - 50K is a 50.0 km ultra race with 1,700m elevation gain in Thailand. Terrain: forest. Near Khao Luang National Park. Rated challenging difficulty. Located near Phrom Khiri, Nakhon Si Thammarat.
Organized byNot specified
Difficulty
Not part of any indexed race series.
Challenging67 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density34 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:16h
Run Conditions
Forest
Weather in Jun
Temperature
24 – 32°C
Hot
Humidity
Extreme
Rainfall
171 mm
Wet season
Sunshine
9.9h/day
~20 rainy days expected
Registration
Deadline
May 25, 2026
Entry fee
2,300 THB(~$70)(tiered pricing)
Travel & Logistics
VenuePromlok Campsite Cafe, Phrom Khiri, Nakhon Si Thammarat
Google MapsView on Maps
Nearest airports
NST - Nakhon Si Thammarat Airport28 km | ~34min driving time
URT - Surat Thani Airport179 km | ~3h35 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
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Sources: eventrunning · Enriched 2026-04-26