Yr Wyddfa Ultra
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Yr Wyddfa Ultra 50
The Yr Wyddfa Ultra 50 is a mountain ultramarathon in Snowdonia Eryri, centred on Betws-y-Coed and scheduled for Saturday 4 September 2027. The course covers approximately 45 miles with a listed elevation gain of 2800 m, following mountain trails that pass Tryfan, the Yr Wyddfa summit, Glyder Fach and Glyder Fawr, Devil's Kitchen and Llyn Idwal, and includes sections beside Llyn Crafnant and Llyn Geirionydd.
The event has a field limit of 300 places and an entry fee of £139. The start and finish venue is Cae Llan Village Green, Betws-y-Coed. There are five checkpoints on the route; each checkpoint provides refreshments, vegetarian and vegan options, and on-site medical or first responder cover. Strict cut off times are enforced at checkpoints and at the finish to support safety and race management.
Qualifying criteria require entrants to be at least 20 years old, in good health, and to have previous ultramarathon and mountain experience; applications are reviewed individually. Navigation competence is required and participants must not be solely reliant on GPS devices.
Mandatory kit must be carried at all times and includes a hardcopy OS map for Snowdon, compass, waterproof coat and trousers, two long sleeved base layers, a minimum 1 litre water container, charged phone in a waterproof bag, survival bag, headtorch (minimum 75 lumens) with a backup light, emergency rations and a whistle. Pacers and support runners are not permitted. Transfers of places are allowed up to three weeks before the race subject to approval. Visit the organization's website for the most recent information.
