Desafio Calar Del Rio Mundo

The XII Desafío Calar del Río Mundo is a thrilling mountain running event taking place in Riópar from April 25 to April 27, 2025. Participants can choose from various race formats, including distances of 105 km, 85 km, 65 km, 45 km, 25 km, 15 km, and a vertical race of 7 km. Each race features challenging terrain with significant elevation gains, catering to both individual runners and relay teams.

Registration is open until April 21, 2025, with different entry fees based on the chosen distance. This event promises an exciting experience for trail running enthusiasts in a stunning natural setting. Visit the organization's website for the most recent information.