About
A UTMB Major event spanning Chiang Mai's iconic peaks — Doi Inthanon, Doi Suthep, and Chiang Dao. Runners traverse cloud forests, hill-tribe villages, and temple trails across multiple race weekends. Chiang Mai's renowned night markets and temples make it a top post-race destination.
Difficulty
Based on the ITRA standard.
Run Conditions
Temperature
20 – 29°C
Warm
Humidity
Very high
Rainfall
53 mm
Light rain
Sunshine
10.4h/day
~9 rainy days expected
Registration
Travel & Logistics
Race Day Info
GPX File
Not yet released, check again closer to race date
BiB Collection
Not available yet, check again closer to race date
Mandatory Gear
Not available — check the website for more details
Other Distances
Chiang Mai Thailand by UTMB - 3K
Chiang Mai Thailand by UTMB - 17K
Chiang Mai Thailand by UTMB - 26K
Chiang Mai Thailand by UTMB - 63K
Chiang Mai Thailand by UTMB - 100K
Chiang Mai Thailand by UTMB - 173K
Community
Reviews
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Sources: utmb, website · Enriched 2026-07-10