About
CORE X250 Ultra Trail - 100K is a 106 km ultra race with 5,905m elevation gain in Thailand. Terrain: mountain, forest. Near Doi Luang Chiang Dao National Park. Rated extremely hard difficulty. Located near Chiang Dao, Chiang Mai.
Organized byCORE THAILAND
Difficulty
Extremely Hard165 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density56 m/km · Hard
Elevation Density =elevation gain (m)distance (km)
Time limit:28h