Yr Wyddfa Ultra 50
Betws-y-Coed, United Kingdom • 5 Sep 2026
Event overview
The Yr Wyddfa Snowdon Ultra 50 is an 8th edition 50-mile ultra held in Snowdonia Eryri with a race distance of 45 miles and 2800 m elevation. The event takes place in and around the village of Betws-y-Coed, with the race start and finish at Cae Llan / Village Green, Station Road, Betws-y-Coed. The organiser limits the field to 500 places. The published entry fee is £119 and the overall race cut-off time is 20 hours. Finishers are awarded medals by placing: top 200 receive Gold, places 201-400 Silver, and 401+ Bronze.
Course, checkpoints and support
The route follows mountain and slate-trail terrain through the Eryri mountains and passes features such as Tryfan, Yr Wyddfa summit, Glyder Fach and Glyder Fawr, Devil’s Kitchen, Llyn Idwal, Llyn Crafnant and Llyn Geirionydd. The course includes five checkpoints en route; checkpoint distances are approximate and may vary. Checkpoints provide refreshments, vegetarian and vegan options, and basic medical cover. Support crews are permitted at some checkpoints but are not allowed at others; parking at checkpoints may be chargeable and limited. Pacers or unentered support runners are not permitted.
Mandatory kit and qualification
Runners must be at least 20 years old and have previous ultramarathon and mountain experience. Competent map reading is required; participants must not rely solely on GPS. Mandatory kit must be carried at all times and includes a hardcopy map, compass, waterproof coat and trousers, two long-sleeve base layers, 1 litre minimum water, charged phone in waterproof bag, survival/thermal bag, headtorch (min 75 lumens), backup light (min 25 lumens), emergency rations (min 500 calories) and warm hat and gloves. Visit the organization's website for the most recent information.