A UTMB World Series Event

Embark on an extraordinary journey with the UTMB World Series, shaped by the specificities and values of trail running.

The ultimate global trail running world series

UTMB World Series is the world’s ultimate trail running circuit that unites the sport’s biggest stars and amateur runners through the best, leading international events in the most stunning locations.

Experience the UTMB adventure across the world

Uniting trail running communities around the world through the best, leading international events in the most stunning locations, the UTMB World Series gives all trail runners the chance to experience the UTMB adventure.

With more than 50 events taking place across Asia, Oceania, Europe, Africa and the Americas, runners can find an event closer to them. It is also the only place where runners can begin their quest to HOKA UTMB Mont-Blanc, where the prestigious UTMB World Series Finals are held.

FIND AN EVENT

Experience the UTMB adventure across the world

An inclusive sports system

The UTMB World Series integrates three, different levels of events.

Held in the three key distances of the HOKA UTMB Mont-Blanc: the OCC (50K), CCC (100K) and UTMB (100M).

To enter the HOKA UTMB Mont-Blanc lottery and qualify for a place at the Finals, you must have at least 1 Running Stone and a valid UTMB Index. Running Stones can be collected by finishing a UTMB World Series Event or UTMB World Series Major. You can validate your UTMB Index at of over 5,550 races around the world.

Elite athletes will be rewarded for their performance with direct access.

HOKA UTMB Mont-Blanc

4 UTMB World Series Majors are held each year and are considered the pinnacle events across the Americas, Europe, Asia-Pacific and the Oceania regions.

Collect double the amount of Running Stones compared to other UTMB World Series Events for the UTMB World Series Finals lottery.

In total 210 runners are also granted automatic qualification for the UTMB World Series Finals through each Major. This includes age-group category winners and the top 10 male and female runners in the 100M, 100K and 50K categories. The UTMB World Series Majors in 2025 are :

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UTMB World Series Calendar

View the list of Events

OUTSIDE THE UTMB WORLD SERIES CIRCUIT

Finishing a UTMB Index race will contribute towards your UTMB Index. However, it will not provide Running Stones which are mandatory to enter the HOKA UTMB Mont-Blanc lottery for the World Series Finals.

Your UTMB Index also allows you priority access for registration at UTMB World Series Majors and Events and is sometimes required as a security measure by Race Organizers, in order to ensure that you have the experience necessary to complete an ultra-distance.

VIEW THE LIST OF UTMB INDEX RACES