Marathon Eryri (Snowdonia Marathon) 2025

Marathon Eryri, formerly Snowdonia Marathon, circles the highest peak in England and Wales, offering a demanding yet spectacular race voted Best British Marathon twice.

Marking its 40th anniversary, Marathon Eryri offers a challenging alternative to urban races, encircling Yr Wyddfa, the highest peak in England and Wales at 1,085m. The event has received the Best British Marathon accolade twice and promises a breath-taking, demanding course. Entry fee is £20, with a fundraising target of £250.

Race details can be found BOOK NOW.