runfarwhere
Trail · 100 Mile

Ultra Trail Du Mont-Blanc (UTMB)

· starts 6:00 PM (Fri)
Chamonix, France

Badwater Preferred QualifierBadwater Titanium TicketHardrock QualifierWSER Qualifier
The race's site ↗Register ↗Course map ↗

Ultra Trail Du Mont-Blanc (UTMB) is a trail race of 100 miles (161 km) in Chamonix, France. The next edition is in August 2027; its day hasn't been announced. The race gives its climbing as 32,940 ft (10,040 m). It starts at 3,396 ft (1,035 m) above sea level. Its high point is 8,429 ft (2,569 m). The course finishes where it starts. It's a Preferred Qualifying Race for the Badwater 135, a Titanium Ticket race, whose men's and women's champions are guaranteed entry to the Badwater 135, a Hardrock 100 qualifier and a Western States 100 qualifier. Entry is by lottery; registration opened on January 8, 2026. The field is about 2,500 runners.

There are 18 other upcoming 100-mile races in France. Ultra Trail Du Mont-Blanc (UTMB) climbs about 329 ft a mile (62 m per km), steeper than 90% of the 142 100-mile races listed with their climbing.

108miDistance
32,940ftClimbing
2,500runnersField
72°Flow 54°FTypical race day

The course

108miMeasured distance
—Aid stations
33,615ftMeasured climb
33,612ftDescent
8,429ftHigh point
2,646ftLow point

Questions about Ultra Trail Du Mont-Blanc (UTMB)

When is Ultra Trail Du Mont-Blanc (UTMB) 2027?

Ultra Trail Du Mont-Blanc (UTMB) 2027 is in August 2027; its day hasn't been announced yet.

Where is Ultra Trail Du Mont-Blanc (UTMB)?

Ultra Trail Du Mont-Blanc (UTMB) is held in Chamonix, France.

How long is Ultra Trail Du Mont-Blanc (UTMB)?

Ultra Trail Du Mont-Blanc (UTMB) is 100 miles (161 km); its course file measures 108 miles.

How much elevation gain does Ultra Trail Du Mont-Blanc (UTMB) have?

Ultra Trail Du Mont-Blanc (UTMB) has 32,940 ft (10,040 m) of elevation gain, as the race states it.

Is Ultra Trail Du Mont-Blanc (UTMB) a Western States qualifier?

Yes. Ultra Trail Du Mont-Blanc (UTMB) is on the Western States 100's list of qualifying races. Check wser.org for the qualifying standard and years.

How do you get into Ultra Trail Du Mont-Blanc (UTMB)?

Entry to Ultra Trail Du Mont-Blanc (UTMB) is by lottery. Registration opened on January 8, 2026.

What is the weather usually like at Ultra Trail Du Mont-Blanc (UTMB)?

Around Ultra Trail Du Mont-Blanc (UTMB)'s date, the day's high is typically about 72°F (22°C) and the low about 54°F (12°C), averaged over recent years.

Where can I see the Ultra Trail Du Mont-Blanc (UTMB) elevation profile and aid station cutoffs?

runfarwhere has Ultra Trail Du Mont-Blanc (UTMB)'s course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.

How hilly is Ultra Trail Du Mont-Blanc (UTMB)?

Ultra Trail Du Mont-Blanc (UTMB) climbs about 329 ft a mile (62 m per km), steeper than 90% of the 142 100-mile races listed with their climbing.

What other 100-mile races are there in France?

Other upcoming 100-mile races in France include La H.O.T. du Père Noël (December 19, 2026), Trail des Vallées (March 20, 2027) and Grand Raid Ventoux by UTMB (April 23, 2027).

Other races in France

Every race in France

More like it

Updated