Ultramarathon Guide

Chiang Dao 160

Chiang Dao 160 covers 173 kilometers from Doi Luang Chiang Dao to Chiang Mai, with 9,800 meters of gain, mountain villages, and a 48-hour limit.

Next raceFriday, December 4, 2026
Distance categoryUltramarathon
LocationChiang Dao, Thailand

Marathon Scout prioritizes official race websites, registration pages, timing providers, results pages, and race-linked live tracking. Last updated July 17, 2026.

Chiang Dao 160 quick facts

  • The 173K course lists 9,800 meters of ascent and a 48-hour cutoff.
  • Sixteen aid stations connect the Chiang Dao start with the Chiang Mai finish.
  • The race awards eight Running Stones and 100M-category finals access.

About the Chiang Dao 160

The 100-mile race is the longest distance at Chiang Mai Thailand by UTMB, an Asia-Pacific Major with direct finals access for top finishers.

Chiang Dao 160 course description

The point-to-point route climbs San Pa Kia and Doi Pha Sam Liam, passes Hmong communities and waterfalls, then finishes at Chiang Mai PAO Park.

Weather for the Chiang Dao 160

December is cooler and drier than northern Thailand's wet season, but exposed days can still be warm and high mountain sections turn cold overnight.

Past Chiang Dao 160 dates and results

YearDateStatusResults
2026Friday, December 4, 2026

Chiang Dao 160 FAQ

When is the Chiang Dao 160?

The 2026 Chiang Dao 160 is on Friday, December 4, 2026.

How do I register for the Chiang Dao 160?

You can register for the Chiang Dao 160 at chiangmai.utmb.world.

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