Snowdon24
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Event overview
Black Diamond Yr Wyddfa | Snowdon24 is a 24-hour ultra trail event at Yr Wyddfa (Snowdon) in Eryri (Snowdonia) National Park. The mountain peaks at 1,085 m (3,560 feet). The challenge is to ascend and descend the mountain as many times as possible within 24 hours. The event is UTMB-indexed and lists a current solo record of eight full ascents. The date is 11 July 2026 and the location is Y Ganolfan, Llanberis.
Categories and format
The event offers solo and team entries. Team entries are relay format with up to five members. Solo categories include set-distance UTMB-indexed challenges:
- 50k
- 100k
- 100-mile
Entry types and published ticket prices include solo, pair, and team options. Tickets were listed as sold out on the event page and the participant count shown was 379.
Support and services
Event provisions described include an event village with toilets, food, shopping and music during daylight hours; rest areas and tent pitches; on-course marshals, signage and Mountain Leader support; and chip timing with tracking and online results. The event operates bilingually in English and Welsh.
The official charity partner is Cancer Research Wales; fundraisers for other charities are also welcome. The organiser is Always Aim High Events. Visit the organization's website for the most recent information.
