Distance
Climb
Terrain
The UTMB® is a trail running event full of superlatives! An essential event for trail-runners from all over the world. Each year, the elite of the trail-running world find themselves in Chamonix, France, alongside thousands of runners keen to participate in one of the event's races. Growing from only one racing event to a huge week long ever-growing schedule of races, committing to participating in any of these events around Mont-Blanc is a unique and humbling experience.
Three countries: France, Italy, Switzerland
High altitude passages
Stunning alpine scenery
Electric atmosphere in Chamonix
Qualification
Start / Finish
Chamonix (for UTMB, TDS, PTL, OCC, MCC, YCC); Courmayeur (for CCC, TDS); Orsières (for OCC); Martigny (for MCC)
Chamonix
What to bring
Mobile phone
Torches
Water supply
Food reserve
Clothing for cold, wind, and snow (heat wave, winter, bad weather kits)
On the day
Before you enter
Other questions
The Trail du Mont-Blanc is a trail running event held in the French Alps, featuring multiple distances around the Mont-Blanc massif. It is known for its challenging terrain and stunning scenery.
The event is held once a year on either the last weekend in August or the first weekend of September. For 2026, the dates are August 24-29.
Elevation gain varies by race: UTMB 9900m+, CCC 6050m+, TDS 9500m+, PTL 25000m+, OCC 3500m+, MCC 2350m+, YCC 1200m+.
Volunteer information is not available on this page. Check the official website for volunteer opportunities.
Entry fee
Registration isn't open yet. We'll show pricing when the organiser confirms.Chamonix, France
Expected August 2027
Provisional date, around Aug 23More races like this one
Not open yet
