Tentsmuir Forest 8-hour Challenge

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

Runners use a clip card to track laps, with a final lap start cutoff at 7:59:59 hours and finish by 9 hours. The event fosters a supportive atmosphere focused on pushing limits and personal achievement. Visit the organization's website for the most recent information.