About
Changklang Trail - 3.5K is a 3.6 km fun run race with 183m elevation gain in Thailand. Rated easy / beginner friendly difficulty. Located near Chang Klang, Nakhon Si Thammarat.
Organized byNot specified
Difficulty
Not part of any indexed race series.
Easy / Beginner Friendly5 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density51 m/km · Hard
Elevation Density =elevation gain (m)distance (km)
Time limit:3h
Run Conditions
Weather in Sep
Temperature
23 – 29°C
Warm
Humidity
Extreme
Rainfall
391 mm
Monsoon
Sunshine
7.9h/day
~27 rainy days expected
Registration
Deadline
Aug 6, 2026
Entry fee
Early Bird – 350 THB(~$11)until Jun 30, 2026
Regular – 500 THB(~$15)until Aug 6, 2026
Travel & Logistics
VenueGreenspace Living, หมู่ 14 น้ำตกท่าแพ ตำบลช้างกลาง อำเภอช้างกลาง นครศรีธรรมราช 80250
Google MapsView on Maps
Nearest airports
NST - Nakhon Si Thammarat Airport61 km | ~1h05 driving time
KBV - Krabi International Airport104 km | ~1h44 driving time
Race Day Info
GPX File
Not yet released, check again closer to race date
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: eventrunning · Enriched 2026-07-17