RunThrough Snowdonia Sea2Sky

SEP

5

2026

A one-day trail event on 5 September 2026 around Barmouth and Cadair Idris offering three race distances. Routes pass coastal viewpoints, forest tracks and mountain trails with marked courses, marshals, chip timing and post race provisions.

Sat 5 Sep 2026

Barmouth, Wales

Website

53 kilometers 25 kilometers 12 kilometers

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RunThrough Snowdonia Sea2Sky : 5 September 2026

RunThrough Snowdonia Sea2Sky is a one-day trail running event in and around Barmouth and the Cadair Idris area of Eryri. The route links coastal viewpoints, forest tracks, rocky paths and open mountain trails, including a route that reaches the summit of Cadair Idris and returns toward the coast.

Race entries include marked courses with trail flags, tags, A5 arrows and signage, plus marshals at major junctions. The organiser supplies GPX files for competitors to follow and correct course position if needed. Timing and event services listed for entries include chip-timed results, free race photography, a themed finish medal and post-race provisions available in the event village near the finish. Food and drink options are mentioned as part of the event village services.

A discounted event t-shirt is available to purchase as part of entry. The organiser also reports work on sustainability as a priority for its events. The advertised assembly point and event address are at Bath House, The Quay, Barmouth LL42 1HB, United Kingdom.

Race distances: Visit the organization's website for the most recent information.