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A UTMB® World Series Event

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

Built on a passion for the mountains with sustainability at its heart, UTMB® World Series gives all trail runners the chance to experience the UTMB® adventure across the world.

It is the only place where runners can begin their quest to UTMB® Mont-Blanc and the UTMB® World Series Finals.

Experience the UTMB® adventure across the world

A new, inclusive sports system

As of 2022, the UTMB® World Series will integrate different levels of events.

UTMB® World Series Finals


The UTMB® World Series Finals will be held in the three key distances of the UTMB® Mont-Blanc - known as the OCC (50k), CCC® (100k) and UTMB® (100M). To qualify for a place at the Finals, trail runners must compete in at least one of the UTMB® World Series Events or UTMB® World Series Majors, where they can collect Running Stones for use in the lottery, or be rewarded for their performance with direct access.


The UTMB® World Series men's and women's titles will be awarded at these three races.


UTMB® World Series Majors & UTMB® World Series Events


UTMB® World Series Events are the best trail running events on the planet and are organized to the highest quality standards, giving runners the chance to immerse themselves in the UTMB® experience on all continents.


Each year, three of these events will be given the status of UTMB® World Series Majors, becoming continental Series finals in the Americas, Europe and in Asia/Oceania.


UTMB® Index Races

The gateway to UTMB World Series with thousands of races which are open to all.

Runners who participated in a UTMB® Index race will benefit from a priority access to UTMB World Series Events and UTMB World Series Majors.

Find out more about the UTMB Index.

UTMB® World Series 2022 confirmed Events

Unique events from around the world have been confirmed as part of the inaugural UTMB® World Series debuting in 2022, with more to be announced in the coming weeks.

View the list of confirmed Events