Race on Kovana

Luis García (Zaqarbal) / CC BY-SA 3.0 / Wikimedia Commons
100 km Madrid-Segovia — 100k Xtreme
Madrid, Comunidad de Madrid19 September 2026102.8 km2140 m
Point-to-point ultra from Plaza de Castilla over the Sierra de Guadarrama to the Roman aqueduct of Segovia on 19-20 September 2026 (17th edition), 102.8 km with 2,140 m of climbing and an 18-hour limit (21 h for the 'Peregrino' walk). Shorter options: 65 km to Cercedilla, the 42 km Maratón del Castillo to Manzanares el Real and a 21 km Manzanares-Cercedilla.
See how this race fits your training, the course profile and who else is going.
Registration on the organiser's site: www.100kmadridsegovia.com