RunThrough Snowdonia Sea2Sky
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RunThrough Snowdonia Sea2Sky - 5 September 2026
RunThrough Snowdonia Sea2Sky is a set of trail races held in Eryri, based at Bath House, The Quay, Barmouth LL42 1HB, United Kingdom. The route runs from Barmouth beach to the summit of Cadair Idris and returns, covering coastal viewpoints, forest tracks, rocky paths and open mountain trails.
The event offers three distance options:
- 12 km
- 25 km
- Long distance around 53–54 km
All routes are waymarked using trail flags, tags, A5 arrows and signage, and marshals will staff major junctions. Organisers provide GPX files for the course to support navigation. Race entries include a themed medal, free race photos, chip-timed results and post-race goodies. An event village will offer food and drink options and partner giveaways at the finish.
The organiser reports active work on sustainability measures for the event. The race is licensed under the TRA and will follow UKA rules. Event materials note a discounted event t-shirt is available at checkout and that use of an EA or TRA number at checkout will provide a small entry discount. Visit the organization's website for the most recent information.
