21k Medio Maratón de la Sierra

Experience a unique trail running event in the stunning surroundings of Manzanares El Real, located at the gateway to the Sierra de Guadarrama National Park. This mountain half marathon, organized by the Madrid Segovia 101 team, features a technical and scenic course perfect for nature enthusiasts. It is a must-attend race for runners seeking a physical challenge in one of the most iconic landscapes of the Madrid region.