Snowdonia Sea2Sky

Snowdonia Sea2Sky

Saturday, 6 September 2025

Barmouth, Gwynedd, UK

Follow event Follow series Run/Walk Off Road/Trail

The Snowdonia Sea2Sky 53K Ultra Marathon on 6 September 2025 is based from Barmouth on the coast of Eryri National Park.

Starting and finishing on Traeth Abermaw Beach, the route heads out over the Barmouth footbridge and joins the Mawddach Trail, ascending Cader Idris before looping back to Barmouth.

This is a cup-free event - bring your own cup/water bottle for refilling at aid stations during the race.

Organiser

RunThrough

Series

RunThrough Trail Events
- Next in series (2 November 2025)

Distances/Events

53K Ultra

Location map

The Event HQ is at Bath House Beach, Barmouth.

Please note: the map location may be approximate. Refer to the event website for start lines and course maps.

Disclaimer

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This listing was last manually checked on 19 November 2024.

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