Discover the ultimate endurance challenge at the 24 Hours Running event in Mem Martins, a charming town nestled near Sintra. Runners can choose from a selection of long-duration races, including 12-hour, 6-hour, and 3-hour options, as well as an enchanting night marathon. Hosted by the prestigious Real Academia Sports Association, this event welcomes participants from around the world to push their limits in a captivating and lively locale.