About
Phrae Ultra 100 - 160K is a 160 km ultra race with 5,300m elevation gain in Thailand. Rated herculean difficulty. Located near Phrae.
Difficulty
Not part of any indexed race series.
Herculean213 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density33 m/km · Moderate
Elevation Density =elevation gain (m)distance (km)
Time limit:42h