Marcha BTT Antonio Blanco

The Marcha BTT Antonio Blanco is a non-competitive mountain-bike ride starting from Plaza Mayor in Rionegro del Puente, in the Zamora province of Castilla y León. Organised by Club Deportivo Los Sherpas, the 2026 edition runs on 5 July through trails of the Sierra de la Culebra and the surrounding Sanabria-Carballeda highlands. It is part of the Trofeo Diputación de Zamora BTT 2026 circuit, with a long route of around 67 km.