Rat Race Sea to Summit – Yr Wyddfa (Snowdon)
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The Rat Race Sea to Summit – Yr Wyddfa on 26 September 2026 is part of a trilogy of trail ultramarathons to the high points of England, Scotland and Wales. The Yr Wyddfa edition is on a 33 mile route starting from the coast at Caernarfon Castle then through stunning Snowdonia scenery towards Beddgelert on…