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57 kmTrail🇨🇭 Orsieres, Switzerland

OCC (Orsieres-Champex-Chamonix)

Thursday, 26 August 2027In 10 months · Start 08:15

Official site

The shortest of the main UTMB week races, from Orsieres in Switzerland past Champex-Lac and Trient to Chamonix.

Something out of date? Suggest a correction · Organizer of this race?

Facts checked 10 Oct 2026 against montblanc.utmb.world, montblanc.utmb.world, api.utmb.world.

Elevation gain
3,500 m
Mountain · ↓ 3,380 m
Start altitude
913 m
above sea level, from terrain data
Temp at start
15°C
Peaks around 23°C
Entry fee
≈ $225
Lottery + qualifying
Finishers
—
typical year
Course
Point to point
14.5h cut-off
Getting thereFly into GVA (Geneva), about 83 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Mountain: about 3,500 m of climbing and 3,380 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start
15°C
Peak during race
23°C
Humidity
67%
Chance of rain
19%
Wind
3 km/h

Race day in past years

Historical averages for 26 August ±3 days, 2016–2025, from 08:15 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

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Show your runners the course facts and race-day weather. Paste this code into your site; it displays the badge below and links to this page. It updates automatically when the race details change.

Plan your trip

Searches are set for Orsieres and the race weekend.

Hotels near the start lineClosest first · 2027-08-25 → 2027-08-27Booking.com Flights to OrsieresArrive 2027-08-24, fly home 2027-08-28Google Flights Things to do in OrsieresTours and attractions in Switzerland for the days around the raceGetYourGuide

Gear for this race

Trail running shoesGrip for the unpaved sectionsHydration vestCarry water and food between aid stationsElectrolyte tabletsIt often reaches 23°C during the raceRunning headlampFor early starts and running into the night

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