About
AIA One Billion Trail by TMS - 15K is a 15.2 km trail race with 681m elevation gain in Thailand. Terrain: forest, mountain. Rated easy / beginner friendly difficulty. Located near Hua Hin, Prachuap Khiri Khan.
Organized byNot specified
Difficulty
Not part of any indexed race series.
Easy / Beginner Friendly22 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density45 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:5.8h
Run Conditions
ForestMountain
Weather in Nov
Temperature
24 – 30°C
Warm
Humidity
Very high
Rainfall
108 mm
Moderate rain
Sunshine
10h/day
~13 rainy days expected
Registration
Register
Coming soon
Deadline
Oct 31, 2026
Entry fee
Early Bird – 2,100 THB(~$64)until Jul 31, 2026
Regular – 2,800 THB(~$85)
Travel & Logistics
VenueNot found — check the website for more details
Google MapsNot found — check the website for more details
No airport within 200 km
Race Day Info
GPX File
Not yet released, check again closer to race date
BiB Collection
Not available yet, check again closer to race date
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: website · Enriched 2026-05-23