About
Trail Masters Series - 11K is a 11.1 km trail race with 353m elevation gain in Thailand. Terrain: forest. Rated easy / beginner friendly difficulty. Located near Ban Khai, Rayong.
Organized byTrail Masters Series
Difficulty
Not part of any indexed race series.
Easy / Beginner Friendly15 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density32 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:3.5h
Run Conditions
Forest
Weather in Sep
Temperature
24 – 29°C
Warm
Humidity
Extreme
Rainfall
428 mm
Monsoon
Sunshine
7h/day
~28 rainy days expected
Registration
Website
Deadline
Aug 14, 2026
Entry fee
Early Bird – 1,600 THB(~$49)until Jul 31, 2026
Regular – 2,100 THB(~$64)until Aug 14, 2026
Travel & Logistics
VenueKasetsiri Farm, Rayong
Google MapsView on Maps
Nearest airports
UTP - U-Tapao-Rayong-Pattaya International Airport88 km | ~1h46 driving time
BKK - Suvarnabhumi Airport232 km | ~4h38 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
- hydration vest/belt/bottle
- water (min 0.5L)
- race bib
- water cup
Other Distances
Community
Reviews
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More Trail Races in Thailand
Race data is actively being refined. If something looks off, .
Sources: website · Enriched 2026-06-03