Trail Siero

The IV Trail Siero will take place on 8 November 2026 in Pola de Siero, Asturias. The mountain race, organised by Actitude Eventos and the Patronato Deportivo Municipal de Siero, will have its start and finish in the Plaza del Mercado. The routes run mainly through the municipality of Siero, combining streets, local paths, tracks and mountain trails up to Cerro Gavio or Cimero, at an altitude of 707 metres. The programme includes the Trail Siero of 25 km, which can be run individually or as a relay of 13 and 12 km, the Trail Corto of 11.5 km and a non-competitive walk of 8.5 km. The official website lists 1,050 m of elevation gain for the long course and 300 m for the short one. Entries remain open until 2 November 2026, unless places are sold out.