Elephant 100 is a 96.0 km ultra trail of HOKA Chiang Mai Thailand by UTMB 2025 in Chiang Mai, Thailand. The race starts on November 29, 2025.
By gradient, 41% of the distance is uphill, 41% downhill and 18% flat. The longest climb runs 4.5 km at an average 11.3% grade (503 m of vertical). The longest descent runs 4.6 km at 14.8% (676 m of vertical). The steepest climb averages 37.2% over 0.3 km. The steepest descent drops at 27.7% over 0.7 km. Surface: 40% trail, 37% smooth, and 22% road. Flat-equivalent effort: 132.3 FlatKM.
Poles bring little benefit here — only about 13.7 km of pole-friendly terrain.
Quad damage risk is high (index 57 of 100), with 40% of the load in the first half: 3 critical descents, the last of them run on already damaged legs. Downhill-specific preparation and a controlled early pace pay off here.
Historically on race day, start temperatures range from 19°C to 25°C, around 14°C at the highest point; the chance of precipitation is about 13%.
993 finishers completed the 2025 edition. Men's winner: Miguel Arsenio (Portugal) in 9:14:20. Women's winner: Hau Ha Thi (Vietnam) in 10:43:28.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Elephant 100.
Other distances of HOKA Chiang Mai Thailand by UTMB 2025Chiang Dao 160 (168 km)·Hmong 50 (56.0 km)·Hmong 50 Night (56.0 km)·Inthanon 50 (39.0 km)·Suthep 20 Night (21.0 km)·Suthep 20 Day (21.0 km)·Inthanon 20 (20.0 km)·Chedi 20 (17.0 km)
Other editions of Elephant 1002026
Official websitechiangmai.utmb.world
