Trail Run Project Logo

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


Your Rating: Rating Rating Rating Rating Rating      Clear Rating
Your Difficulty:
Your Favorites: Add To-Do · Your List
Zoom in to see details
Map Key

104.4

Miles

168.0

KM

75%

Runnable

8,283' 2,525 m

High

2,434' 742 m

Low

30,052' 9,160 m

Up

30,053' 9,160 m

Down

11%

Avg Grade (6°)

58%

Max Grade (30°)

Dogs Unknown

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.

Shared By:

Jason Smith

Trail Ratings

  5.0 from 3 votes

#1

in Chamonix

#1111

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

#1

in Chamonix

#1

in France

#1,111

Overall
59 Views Last Month
6,989 Since Jul 28, 2015
Very Difficult Very Difficult

0%
0%
0%
0%
33%
67%

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
Mt Blanc with profusion of rhododendrons along the trail.
Jun 23, 2022 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

0 Comments

Current Trail Conditions

Unknown
Add Your Check-In

Check-Ins

Join the Community

Create your FREE account today!
Already have an account? Login to close this notice.

Get Started.