About
CM6 i4 is a 76.0 km ultra race with 4,000m elevation gain in Thailand. Terrain: mountain, forest. Near Doi Suthep-Pui National Park. Rated very hard difficulty. Located near Chiang Mai, Chiang Mai.
Organized byGoodie Box Co., Ltd.
Difficulty
Very Hard116 KE
KM-Effort = distance (km) +elevation gain (m)100
Based on the ITRA standard.
Elevation Density53 m/km · Hard
Elevation Density =elevation gain (m)distance (km)
Time limit:22h