Tentsmuir Forest 8-hour Challenge

The Tentsmuir Forest 8-hour Challenge, organized by NU Limits Running, is an endurance running event held in Tentsmuir Forest, Scotland. Participants aim to complete as many 4.366-mile trail loops as possible within an 8-hour time limit, with each lap featuring 85 feet of ascent. Completing 3 laps equals a half marathon, 6 laps a full marathon, and 7 or more laps an ultra marathon.

The course offers a scenic trail running experience through forest paths. Runners track their progress with a clip card punched at each lap's end. The event fosters a supportive community atmosphere focused on pushing physical and mental limits. Visit the organization's website for the most recent information.