calendar and listing of all ultra -endurance Racing trails.
Calendar of all mountain ultrafond races and listed by autonomous communities.
Scoring racing list for the ultra trail of Mont Blanc (UTMB) ordered by months.
All races have a link to the web and the kilometers and positive slope are indicated.
Tool for the calculation of difficulty coefficients, average slope and degree of difficulty, according to distance and unevenness.
Access to the Web, Facebook and Twitter of Ultratrails .com
There is also a section with the agenda of the next mountain races, in case you want to compete in any or do it as training for an ultra.
Chat so that fans can contact and exchange information.
Free application.