Prueba Cicloturista Oscos Granfondo

Oscos Granfondo is one of the four stages of the Asturias Challenge cycling circuit, held in the Oscos-Eo region of western Asturias, Spain. The 2026 weekend combines a short uphill time trial on Saturday with a Gran Fondo road route on Sunday departing from Santa Eulalia de Oscos, riding through the surrounding mountains and forests. The event is open to licensed and non-licensed cyclists and is part of an annual circuit that crowns an overall Asturias Challenge winner.