Utmb 2025 Dates. Utmb® world series events are the first step for runners to begin their quest to the utmb® world series finals in chamonix, france and are the only races where athletes can collect. Create a 'my utmb' account to access detailed statistics about your past races, consult your utmb index, compare your performance against fellow trail runners, check your amount of.
Select the event you’re interested in. Retrouve ici toutes les informations pratiques de la course :
