Snowdonia Trail Marathon Eryri

JUL

11

2026

A trail running event in the scenic landscapes of Snowdonia National Park, starting from Llanberis. Choose from four distances, with routes passing iconic Welsh locations including Mount Snowdon. Organized by Always Aim High Events.

Sat 11 Jul 2026

Llanberis, Wales

Website Registration

62 kilometers Marathon Half Marathon 10 kilometers

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Event Overview

The Snowdonia Trail Marathon Eryri is a trail running event held within Eryri (Snowdonia) National Park in North Wales. The event is organized by Always Aim High Events. All courses start and finish in the town of Llanberis.

Distances

The event offers four distances:

10k
Half Marathon
Marathon
Ultra Marathon

Course Details

The routes take runners through landscapes including mountain trails and forest paths. Key locations on the course include Rhyd Ddu, Beddgelert, Nant Gwynant, Pen y Pass, and Yr Wyddfa (Mount Snowdon), which is the highest peak in Wales. Visit the organization's website for the most recent information.

62 km

Ultra Marathon

Marathon

Half Marathon

10 km

10k