BTT Los 100 de la Nava

Los 100 de la Nava is a non-competitive mountain bike and gravel marathon staged in Nava de la Asuncion (Segovia, Castilla y Leon) on 10 May 2026. Organised by Club Deportivo Navabike, the event offers four open routes — Popular 40 km, Bronze 60 km, Silver 82 km and Gold 100 km (about 1,650 m of climbing) — across the pine forests and rolling terrain of the Tierra de Pinares. It is one of the most established free-route MTB gatherings in central Spain.