Trail Siero — 12 km

Siero, Principado de Asturias8 November 202612 km

Trail race in Pola de Siero, 16 km east of Oviedo, 4th edition on 8 November 2026 with 25 km (also as a 13+12 relay), a 12 km short trail and a 9 km walk. Replaces the recalled Avilés half marathon, which could not be found. Elevation estimated.

See how this race fits your training, the course profile and who else is going.

Open in Kovana

Registration on the organiser's site: web.rockthesport.com/es/event/iv-trail-siero