About
Formosa Trail - 104K is a 104 km ultra race with 5,700m elevation gain in Taiwan. Terrain: mountain, forest, technical. Rated extremely hard difficulty. Located near Puli Township, Nantou, Nantou County.
Organized byBeast Runners
Difficulty
|100
Extremely Hard161 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density55 m/km · Hard
Elevation Density =elevation gain (m)distance (km)
Time limit:28h
Run Conditions
MountainForestTechnical
Weather in Nov
Temperature
16 – 26°C
Warm
Humidity
Very high
Rainfall
57 mm
Light rain
Sunshine
9.7h/day
~6 rainy days expected
Registration
Website
Register
Deadline
Jul 31, 2026
Entry fee
Early Bird – 6,400 NTD(~$201)until May 5, 2026
Standard – 6,800 NTD(~$214)until Jul 31, 2026
Late Bird – 7,200 NTD(~$226)
Travel & Logistics
VenueNo. 545, Qianxi Landscape Bridge, Puli Township, Nantou County 545
Google MapsView on Maps
Nearest airports
TPE - Taiwan Taoyuan International Airport226 km | ~4h31 driving time
Race Day Info
GPX File
Download GPX TrackBiB Collection
2026-11-20 14:00-21:00 at YCC Forest Campsite
Mandatory Gear
- Hydration Pack (min 2L)
- Mobile Phone (charged, ON)
- Headlamp (main)
- Second Headlamp
- Gloves
- BIB with Chip
- Whistle
- Light Jacket
- Waterproof Jacket
- Emergency Blanket or Bivy
- First-Aid Kit (bandage, povidone-iodine swabs, adhesive tape, medical patches)
- Health Insurance Card (Taiwan Resident)
- Course Map
- GPS Device with course loaded
- Energy Reserve (min 600 kCal)
- Cash
- Bowl/Cup/Utensils
Other Distances
Community
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Race data is actively being refined. If something looks off, .
Sources: manual, website · Enriched 2026-06-20