About
BTC100 Bitcoin Ultra Trail - 25K is a 28.0 km trail race with 550m elevation gain in Thailand. Terrain: mountain, forest. Near Doi Suthep-Pui National Park. Rated moderate difficulty. Located near Chiang Mai, Chiang Mai.
Organized byRun for Freedom / BLC Chiang Mai
Difficulty
Moderate34 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density20 m/km · Easy
Elevation Density =elevation gain (m)distance (km)
Time limit:8h
Run Conditions
MountainForest
Weather in Sep
Temperature
23 – 29°C
Warm
Humidity
Extreme
Rainfall
393 mm
Monsoon
Sunshine
8.8h/day
~26 rainy days expected
Registration
Deadline
Aug 31, 2026
Entry fee
Super Early Bird – 2,040 THB(~$62)until Mar 11, 2026
Early Bird – 2,160 THB(~$66)until Mar 13, 2026
Almost Early Bird – 2,280 THB(~$69)until Mar 15, 2026
Normal Entry – 2,400 THB(~$73)until Jun 30, 2026
Late Entry – 2,640 THB(~$80)until Jul 31, 2026
Last Min Entry – 2,760 THB(~$84)until Aug 31, 2026
Travel & Logistics
VenueNot found — check the website for more details
Google MapsNot found — check the website for more details
Nearest airports
CNX - Chiang Mai International Airport6 km | ~15min driving time
Race Day Info
GPX File
Download GPX TrackBiB Collection
Not available — check the website for more details
Mandatory Gear
- Rucksack or backpack
- Water container ≥1.0L
- Mobile phone
- Personal cup
Other Distances
Community
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More Trail Races in Thailand
Race data is actively being refined. If something looks off, .
Sources: website · Enriched 2026-06-18