3.8km CHALLENGEMADRID Swim Course The Challenge Madrid swim course is conducted 75 kilometres from the capital, surrounded by holm-oak woods, oak- woods and pine woods at the Canal de Isabel II. Located in the Lozoya Valley, in the middle of the North Mountain Range (“Sierra Norte”), this is one of the most enchanting and attractive touristic areas of the region of Madrid: Buitrago de Lozoya. 180km CHALLENGEMADRID Bike Course The bike course will traverse through stunning locations in the Madrilenian Sierra, and goes through the famous tour of the mountain passes with the ascents to Canencia, Morcuera and Cotos. Starting at the Canal de Isabel II in Buitrago de Lozoya, passing through Villavieja de Lozoya (km6), San Mamés (km 9,9), Gargantilla (km 13,7), Canencia village (km 22,8), Canencia Mountain Pass (km 32,3), Miraflores de la Sierra (km 38,4), Morcuera Mountain Pass (km 49,1), Rascafría (km 63,4), Cotos Mountain Pass (Km 79,9), Navacerrada Mountain Pass (km 86,4), Fuente del Ventorrillo, El Escorial, Valdemorillo, Villanueva de la Cañada, entering Madrid through M-508 road, crossing Casa de Campo and arriving at Explanada del Rey in Madrid Río. 42.2km CHALLENGEMADRID Run Course The Challenge Madrid run course is a 5 lap course that covers almost all of the Madrid River area (“Madrid Río”). The run leg finishes will finish with the ascent to the Cuesta de la Vega, before incorporating itself to Mayor Street, and entering the Puerta del Sol where the truly unforgettable finish line awaits.