Snowdonia Trail Marathon Eryri

JUL

10-11

2027

Trail races in Eryri (Snowdonia) from 10K to 56.6 km, starting and finishing in Llanberis with an event village, chip timing and a kids 500 m fun run.

10-11 Jul 2027

Llanberis, Wales

Website

57 kilometers 27 miles 13 miles 10 kilometers

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Snowdonia Trail Marathon Eryri : Trail running in Eryri National Park

Snowdonia Trail Marathon Eryri is a multi-distance trail running event set in Eryri (Snowdonia) National Park with routes that begin and finish in Llanberis. The event runs across rugged trails, forest tracks and mountain paths, and routes pass through Rhyd Ddu, Beddgelert, Nant Gwynant and Pen y Pass; selected distances include sections on the slopes of Yr Wyddfa.

Dates: 10 Jul - 11 Jul 2027. Event services are bilingual in English and Welsh.

Distances

10K - 9.8 km
Half Marathon - 13.2 miles
Marathon - 27.2 miles
Ultra Marathon - 56.6 km

The Marathon and Ultra Marathon are ITRA and UTMB indexed. The event village provides music, commentary, shopping, food, kit demos and toilets. On-course support includes marshals, signage, energy stations and support vehicles. Timing is by chip with live online results, and finishers receive event mementos.

A family-oriented kids event, the Jones o Gymru Dolbadarn Dash, is a 500 m fun run on the event field. Entry for the kids run is a suggested £3 donation on the day, with proceeds to the Llanberis Mountain Rescue Team. Visit the organization's website for the most recent information.