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UTMB - Ultra - Trail du Mont Blanc

Very Difficult

Trail

104.4 mile 168.0 kilometer loop
75% Runnable
Very Difficult

Elevation

Ascent: 30,052' 9,160 m
Descent: -30,053' -9,160 m
High: 8,283' 2,525 m
Low: 2,434' 742 m

Grade

Avg Grade: 11% (6°)
Max Grade: 58% (30°)

Dogs

Unknown
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Map Key

Trail shared by Jason Smith

One of the world's most difficult & popular trail races.

Jason Smith

Features Lake · River/Creek · Views · Wildflowers · Wildlife

Overview

UTMB is a mega outing through the mighty Alps circumnavigating the iconic Mt Blanc. Commitment to the UTMB will test the fabric of the human body & spirit to the utmost extent. Refer to the official race website for all details: ultratrailmb.com/

Runner Notes

Rocks, roots, snow, glaciers, sun, rain, hallucinations. You name it, this course can throw it at you.

Description

The Ultra-Trail du Mont-Blanc (aka. UTMB) is a 104 mile / 166 km ultramarathon with a staggering 30,000' / 9,600M of ascent. The race started in 2003 and with more than 2,000 competitors on the starting line, it's simultaneously one of the most difficult & largest trail races in Europe.

The course starts and ends in Chamonix, touching France, Italy & Switzerland as it loops around Mt Blanc.

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We need help with the following missing trail information:

Need to Know, Dogs Allowed, Flora & Fauna, History & Background

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Check-Ins

Jan 19, 2020
Bastien Siegel
Aug 29, 2019
Atsuko Ohtake
Sep 12, 2018
David Von Stroh
25.5mi

Trail Ratings

  5.0 from 2 votes

#1

in Chamonix

#912

Overall
  5.0 from 2 votes
5 Star
100%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%
Run Rankings

#1

in Chamonix

#2

in France

#912

Overall
23 Views Last Month
5,076 Since Jul 28, 2015
Very Difficult

0%
0%
50%
50%

Photos

Ibex in the Flegere ski area.
Jul 12, 2016 near Chamoni…, FR
The resident ibex know they have a good home.
Jul 12, 2016 near Chamoni…, FR
Looking up at the French mountains.
Jul 14, 2015 near Chamoni…, FR
Refuge Bertone aid station at 15 km
Feb 20, 2018 near Martign…, CH
View of Chamonix and Mont Blanc from the end of the Promenade du Froi
Jul 14, 2015 near Chamoni…, FR
Start of the CCC in Courmayeur, Italy
Feb 20, 2018 near Martign…, CH

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