Snowdonia Marathon Eryri

25 Oct 2025 (Sat)

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42.20km

Snowdonia Marathon Eryri

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The Brooks Snowdonia Marathon has been voted best British marathon twice. The demanding and spectacular route, encircling Snowdon, Wales’ and England’s highest peak, gives the event a unique place in the annual marathon calendar.

The inaugural Snowdonia Marathon was held in 1982, and was conceived as a dramatic alternative to the numerous city and town races becoming so popular. The demanding and spectacular route, encircling Snowdon, Wales’ ad England’s highest peak, has given the event a unique place in the annual marathon calendar ever since.

In a 2011 poll by Runners World Magazine, the Snowdonia Marathon was voted the best Marathon in the UK for the second time. This is somewhat ironic since it is also regarded as one of the most difficult! Our success has been credited to three things; the beautiful scenery, the runners that organize the race and the hospitality of the local people.

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Route map

directions_runStart address: Nant Peris,gb

flagFinish address: Nant Peris,gb

Snowdonia Marathon Eryri Route Map

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Snowdonia Marathon Eryri

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local_activity Deals & discounts

verified_user Refundable Booking option

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The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website the latest race information. Please let us know if any data is wrong or missing, by emailing us.