The UTMB^® is a great trail-running festival. During the week and on the route of the 7 races, all the event's players are mobilised to ensure that runners and their supporters have an extraordinary experience.Supporters and families have numerous tools and plans at their disposal allowing them to follow the races in the best conditions.

Follow the evolution of each runner live through UTMB^®Live, information which can also be posted on the runners' Facebook pages or be sent to you via text message (SMS). On each runner's page find the video sequences of their passages in front of the webcams installed along the route and at the finish.
Experience the race live via the webcams installed at the main points of passage and the finish.
From Wednesday to Sunday, you can follow all the key moments of the races on UTMB^® TV with numerous live broadcasts, and on social media (Twitter, Facebook and Instagram).

In Chamonix itself and along the route, everything is done to facilitate the access for families and supporters : exceptional means put in to place for TRANSPORT so as to limit the use of personal vehicles and so reduce our impact upon the environment.

So that you may support your runner while respecting the equity of the races, assistance to runners is subject to strict rules which are explained, below, in the regulations.

Supporters may also consult numerous pieces of information on their dedicated on-line page. Registration is simple and quick and it allows you to receive all the official information sent by the organisation via text message (SMS).

Everything is done to simplify following the races whether on the ground or from home.