About This Race

Step into Mount Yun that Laozi, the founder of Taoism, once visited. Experience an unforgettable trail running adventure in an enchanting emerald paradise with breathtaking natural scenery.

Key Dates

Race Day

Oct 16, 2026

40d

Registration Opens

Invalid Date

NaNd

Get alerts for Ultra-Trail Mount Yun by UTMB®

Registration opens, price changes, race updates: straight to your inbox.

Race Planning

Plan Ultra-Trail Mount Yun by UTMB® with Crewable

Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.

Make Race Plan

Are you the race director for Ultra-Trail Mount Yun by UTMB®?

Claim this race to manage registration, volunteers, and race-day ops on Endurance HQ.

Claim Your Race