About
Phayao Mountain Run 2026 - 55K is a 54.5 km ultra race with 3,550m elevation gain in Thailand. Terrain: mountain. Rated hard difficulty. Located near Phayao, Phayao.
Difficulty
Not part of any indexed race series.
Hard90 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density65 m/km · Very Hard
Elevation Density =elevation gain (m)distance (km)
Time limit:14h
Run Conditions
Mountain