Cybi Coastal Marathon

Cybi Coastal Marathon

Saturday, 1 August 2026

Holyhead, North Wales, UK

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The award-winning Cybi Coastal Marathon is on 1 August 2026 in Holyhead, North Wales.

The Marathon route follows the paths, tracks, beaches and coastline of the Welsh national/Anglesey Coastal Path. It passes through magnificent coastline scenery with fine views of wide bays, sandy beaches, dramatic cliffs, the famous South Stack lighthouse and the summit of Holyhead Mountain.

There is also the 25km 'Half Cybi' which follows an almost identical route however from Penrhos runners take the route through to Trearddur Bay before tackling the range and Mynydd Twr.

This event is run as a not for profit event with all finances raised after costs going to the RNLI Holyhead and Trearddur Bay lifeboat stations.

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

Distances/Events

25K
Marathon

Location map

The event starts and finishes in Holyhead. Event HQ is at the Holyhead Lifeboat station.

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 5 January 2026.

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