Races›France›Haute-Savoie›Ultra-Trail du Mont-Blanc (UTMB)
Chamonix-Mont-Blanc, Haute-Savoie, seen from above
August 2027 · date to be announced

Ultra-Trail du Mont-Blanc (UTMB)

Chamonix-Mont-Blanc, Haute-Savoie · France
UltraMountain

Circles Mont Blanc through France, Italy and Switzerland

Save to my season
Opens in RunCalendar.
Free on iPhone · No account needed.

Course

A loop of roughly 170 km around the Mont Blanc massif through France, Italy and Switzerland, with around 10,000 m of climbing, starting and finishing in the centre of Chamonix. High alpine passes, long descents and at least one full night on the trail — the mountain sets the pace.

PTL300 km
UTMB171 km
TDS145 km
ETC123 km
CCC100 km
MCC90 km

Key dates

Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.

About

The UTMB Mont-Blanc is a legendary ultra-trail running event that takes place in the stunning Alpine mountain region. Runners traverse challenging mountain terrain across multiple countries, covering incredible distances with significant elevation gains. The event features multiple race categories and attracts elite and amateur trail runners from around the world.

Your next race, seen from above.
Save Ultra-Trail du Mont-Blanc (UTMB) to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
Get RunCalendar
In these collections
Worth the flightRace Guides
More races in Haute-Savoie All ›
Run this event? Claim it on runcalendar.com
Visit event website ›

A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.