The Genaro Trail is a 46-kilometer mountain race with 1219 meters of positive elevation gain, held in El Berrueco, Madrid. The race takes place entirely on the Senda de Genaro, a course that requires long-distance experience and traverses a natural environment characteristic of the Sierra de Madrid. The organization provides aid stations and chip timing to ensure the competition runs smoothly. The course, with a considerable accumulated elevation gain, presents a technical and physical challenge for experienced runners seeking to test their endurance in a mountain setting.