The Ultra Trail Serra de Grândola 2026 is a competitive trail running event held on November 1, 2026, in Grândola, Portugal. It features four distances: a 46 km Ultra Trail, a 26 km Sprint Trail, a 13.5 km Mini Trail, and an 11 km walk. The trail races are for participants aged 18 and over. The Mini Trail is for participants aged 16 and over with parental consent. The 11 km walk is open to all ages, with minors requiring accompaniment. Participants should be physically prepared for steep ascents and descents on natural trails. The event is organized by the Municipality of Grândola and Clube Amiciclo. The start, finish, and awards ceremony will take place at the Complexo Desportivo Municipal José Afonso. The event includes electronic timing, mandatory checkpoints, and strict rules regarding external assistance. Prizes will be awarded in individual and team categories. The walk is open to all ages, with mandatory accompaniment for minors.