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Jones o Gymru Anglesey Half Marathon and 10k

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Holyhead, Wales, United Kingdom

calendar_today 01 Mar, 2026

About the Event

Experience a new era of running on the Island of Anglesey at the Jones o Gymru Anglesey Half Marathon and 10k, taking place on Sunday, 1st March 2026. Moving to a spectacular new venue at the Anglesey Showground, this beloved event now features fully closed-road routes for both distances, offering unobstructed, breathtaking views of the Eryri (Snowdonia) mountains and coastline. Whether you're seeking a personal best on the fast, undulating half marathon course or a scenic challenge in the 10k, you'll be part of a vibrant, inclusive celebration perfect for first-timers and seasoned athletes alike. Enjoy the lively event village, unique slate finisher mementos, and the unbeatable atmosphere of a major Welsh running festival. From the family-friendly Dragons Dash to the inspiring mountain vistas, this is a spring race that captures the wild beauty and warm spirit of North Wales. Secure your place for an unforgettable running adventure where every mile feels majestic.

Races Offered

10 km

Mar 01, 2026

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Distance — 10K

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Type — —

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-31 days remaining

Anglesey Half Marathon

Mar 01, 2026

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Distance — 21.1K

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Type — —

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-31 days remaining

Weather Overview

These values represent the 3-year monthly averages for March in Holyhead.

Temp (°C)

Feels Like (°C)

thermostat 4.7° / 10.2°

wb_sunny -0.3° / 5.6°

Wind (km/h)

Humidity (%)

air 18.7 /

water_drop 81.8%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 4.7° / 10.2°

wb_sunny -0.3° / 5.6°

air 18.7 km/h

water_drop 81.8%

About Holyhead

Learn more about the host city, Holyhead.

Holyhead is a small port town on Holy Island, which is narrowly separated from the larger island of Anglesey, in northwest Wales. The town includes a small medieval church on the site of a Roman fortress, and there is some seaside scenery nearby, but otherwise it has few sites of interest; it's mainly a transfer point for high-speed ferries that cross the Irish Sea to Dublin.