Ogwen | Yr Helgi Du

APR
12
2026
Run wild ridgelines in Snowdonia at Ogwen | Yr Helgi Du on 12 April 2026, with 15K, 25K and an epic 40K across the Carneddau and Glyderau. Expect a lively event village, bilingual support and a Welsh slate memento.
Sun 12 Apr 2026
40 kilometers 25 kilometers 15 kilometers

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Ogwen | Yr Helgi Du 2026

Ogwen | Yr Helgi Du is a mountain trail race taking place on 12 April 2026 at Plas y Brenin, Capel Curig, in the Ogwen Valley, Eryri (Snowdonia). The event is organised by Always Aim High Events and offers timed race results with chip timing and online results. The course uses marked mountain trails and includes technical terrain across the Carneddau range; the longest course also traverses the Glyderau range. The event is bilingual, with signs, registration and commentary available in English and Welsh.

Course options, support and practical facts

  • 40K - route includes the Glyderau ridge and additional ascent.
  • 25K
  • 15K

On-course support includes marshals, signage, energy stations, support vehicles and Mountain Leader support on the course. The event village at Plas y Brenin provides music, commentary, shopping, food, drink and toilets. Finishers receive a themed memento described as a Welsh slate coaster. The event is Skyrunning certified and UTMB indexed and lists partners including ITRA and Plas y Brenin. At the time of the source text, ticket sales are marked as sold out and 77 participants are listed. Ticket sales previously noted a closing date of 2 August 2024. Visit the organization's website for the most recent information.

40 km
40k
25 km
25k
15 km
15k

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