Snowdonia Trail Marathon Eryri
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Event overview
The Snowdonia Trail Marathon Eryri 2026 is a trail running event held in Eryri (Snowdonia) National Park in North Wales. The race starts and finishes in Llanberis at Y Ganolfan (LL55 4UR). The event date is Sunday 12th July 2026. The organiser is Always Aim High Events, based in Llanberis.
Race details
Distances offered:
- Ultra Marathon
- Marathon
- Half Marathon
- 10k
Courses run on mountain trails, forest paths, and sections with rugged climbs. Named locations on the routes include Rhyd Ddu, Beddgelert, Nant Gwynant, Pen y Pass, and Yr Wyddfa (Mount Snowdon). The event listed a prize described as a Locally Sourced Slate Coaster. Ticketing information shown in the event listing indicates tickets are currently sold out. The listing also showed 197 participants. Early bird ticket prices were displayed for each distance. Visit the organization's website for the most recent information.