The Fondo Popular Cornalvo mountain race is a 15-kilometer event held in Mirandilla, Badajoz, in the heart of Extremadura. The course runs through the Cornalvo Natural Park and the Sierra Bermeja, featuring a demanding and spectacular route for trail running enthusiasts. The race is known for its pristine natural setting, technical trails, and elevation changes that test runners' endurance. Despite its distance, the rugged terrain and scenic landscape make it a standout challenge for those seeking a test in the outdoors. The organizers ensure a complete experience for participants, including strategic aid stations along the route and a chip-based timing system for accurate results. Access to the area and parking are typically well-organized to facilitate logistics for attendees. The event atmosphere blends the competitiveness of experienced runners with the camaraderie of those who enjoy mountain sports and outdoor activities, creating a festive and athletic environment.