Ogwen | Yr Helgi Du
Capel Curig, United Kingdom • 12 Apr 2026
Event Overview
The Ogwen | Yr Helgi Du is a mountain running event in Eryri (Snowdonia), taking place in the Ogwen Valley. The event offers three distances: 15K, 25K, and 40K. All races are held on the same day.
Location & Course
The event is based at Plas y Brenin in Capel Curig. The courses are described as mountain races, covering epic trails and technical terrain. The routes take in parts of the Carneddau range, which includes some of the highest mountains in England and Wales, and the 40K route also includes the Glyderau range. The terrain is described as an imposing skyline.
Event Features
The event features a lively event village with music, commentary, shopping, food, drink, and toilets. On-course support includes friendly marshals, signage, energy stations, and support vehicles. Mountain Leader support is provided on the course. Participants receive unique finisher mementos. Professional chip timing and online results are provided.
Additional Information
The event is bilingual, with signs, registration, and commentary available in both English and Welsh. The courses are Skyrunning certified and UTMB indexed. Visit the organization's website for the most recent information.