La TrotaBúhos is a 4.5 km mountain race and walk held in Espinama, Cantabria. Designed as a popular gathering with a fun and social focus, the event offers a course that includes ascents, descents, and technical sections, suitable for mountain lovers. Despite its short distance, the route features characteristic trail running elements, inviting participants to enjoy nature and company without the pressure of competition. The event's philosophy is that of a joint training session, promoting camaraderie among runners and hikers.