About
BTC100 Bitcoin Ultra Trail - 50K is a 52.0 km ultra race with 1,800m elevation gain in Thailand. Terrain: mountain, forest. Near Doi Suthep-Pui National Park. Rated challenging difficulty. Located near Chiang Mai, Chiang Mai.
Organized byRun for Freedom / BLC Chiang Mai
Difficulty
Challenging70 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density35 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:15h
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 – 3,145 THB(~$96)until Mar 11, 2026
Early Bird – 3,330 THB(~$101)until Mar 13, 2026
Almost Early Bird – 3,515 THB(~$107)until Mar 15, 2026
Normal Entry – 3,700 THB(~$113)until Jun 30, 2026
Late Entry – 4,070 THB(~$124)until Jul 31, 2026
Last Min Entry – 4,255 THB(~$130)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 yet, check again closer to race date
Mandatory Gear
- Rucksack or backpack
- Water container ≥1.5L
- Head torch/headlamp
- Mobile phone
- Rain jacket
- Emergency blanket
- First aid kit
- Whistle
- Spare food/snack
- Personal cup
Other Distances
Community
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Race data is actively being refined. If something looks off, .
Sources: website · Enriched 2026-06-18