Ehunmilak ultratrail, often called Ehm, is a 168 km mountain ultra held in Beasain, Gipuzkoa, Basque Country. It takes place in July and is designed for trail runners seeking a challenge that spans a full day and night, distinct from a typical road race.
The course features approximately 11,000 meters of elevation gain and descent, making the terrain as demanding as the distance. Adult men and women are eligible to enter. Registration is available online via the official race website. The organization provides basic runner insurance, with options for participants to secure additional private coverage.