Yr Wyddfa Ultra 100

The Yr Wyddfa Ultra 100 is an exhilarating 100-mile ultramarathon set in the stunning Snowdonia National Park, featuring a challenging elevation gain of 5788 meters. Scheduled for September 6, 2025, the event accommodates 250 participants and has a cut-off time of 40 hours. Runners will navigate through breathtaking landscapes, with multiple checkpoints providing essential support and refreshments.

The race emphasizes navigation skills, requiring participants to be competent map readers. Finishers can earn various buckles based on their performance, and the event is part of the GB Ultras Grand Slam series, encouraging runners to take on multiple challenges. Visit the organization's website for the most recent information.