Ogwen | Yr Helgi Du

Capel Curig, United Kingdom • 31 Jul 2027

Ogwen | Yr Helgi Du 2027

Ogwen | Yr Helgi Du is a skyrunning mountain event held on 31 July 2027 with base location at Plas y Brenin, Capel Curig in the Ogwen Valley of Eryri. The event offers three race distances and runs on marked mountain trails with technical terrain and significant ascent.

The courses use the Carneddau range; the 40K route also includes the Glyderau ridge. The Carneddau are described as the Front Range of Eryri and form the second highest mountains in England and Wales, with Carnedd Llywelyn noted as 21 m lower than Yr Wyddfa. Routes include exposed ridge lines and sections that increase total ascent on longer options.

On course provision includes Mountain Leader support, friendly marshals, signage, energy stations and support vehicles. The event village at Plas y Brenin provides music, commentary, shopping, food, drink and toilet facilities. Timing is by chip with online results. Finishers receive a designed memento that reflects the event location and local history. The event is delivered bilingually with signs, registration and commentary available in English and Welsh.

Distances Visit the organization's website for the most recent information.

  • 40K route includes the Carneddau and the Glyderau ranges
  • 25K route across marked mountain trails in the Ogwen Valley
  • 15K shorter mountain running route based from Plas y Brenin

Race information

40 km
40k
25 km
25k
15 km
15k
Visit the organization's website for the most recent information.
Trail runs nearby

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A 5.1 km fell race at Fairy Glen near Penmaenmawr with 273 m of climb, part of the North Wales Mid Week Series. A juniors programme has multiple age classes and race day entry is £2.

Run 24 hours along Offa's Dyke National Trail from Prestatyn on May 9 2026. Solo and team entries offer a continuous coastal to countryside challenge with staffed checkpoints and a finishers medal to mark your achievement.

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