Sea 2 Sky
Take on one of Wales’ most breathtaking trail challenges from sandy shores in Barmouth to iconic Snowdon and back again.
05 September 2026
The Snowdonia Sea2Sky is a spectacular all‑terrain trail run starting on Barmouth beach and climbing through forests and rocky mountain paths to the summit of Cadair Idris, before returning to the coast. With distances including 12K, 25K and 54K, it offers epic coastal views, big climbs, and rugged Welsh scenery throughout.
Race options and requirements
Distance: Choose from a 12K, 25K or 54K race
Minimum age: All participants must be a minimum age of 18 years old.
Entry: £19 for 12K, £29 for 25K or £49 for 54K
Minimum sponsorship: £149 for 12K or £199 for 25K and 54K
