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Snowdonia Trail Marathon Eryri

Name: Snowdonia Trail Marathon Eryri
Start: 2027-07-10
End: 2027-07-10
Location: Llanberis

Llanberis, United Kingdom • 10 Jul 2027

The Snowdonia Trail Marathon Eryri will take place in Llanberis on Saturday 10 July 2027. You can run between 10 and 57 kilometers. Visit the organization's website for the most recent information.

United Kingdom Wales Llanberis

Race information

Registration

57 km

Ultra Marathon

27 mi

Marathon

13 mi

Half Marathon

10 km

10k

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Aug 15

Skyrun Eryri / Snowdon Skyrace

A mountain running weekend in Rhyd-Ddu, Eryri / Snowdonia on 15 August 2026 with four skyraces from 16 km to 55 km over high, technical terrain.

Friday Aug 21

Tryfan Downhill Dash

Pen-y-Pass

1 km

A very short but steep mountain race on Tryfan near Bethesda, with exposed rocky terrain and expert navigation required. Minimum age over 18 and a £1 entry fee supports Ogwen Mountain Rescue.

Sunday Aug 30

Ras Cnicht

Porthmadog

7 km

5 mi

A hill race near Porthmadog covering 7.2 km with 564 m of ascent, partially marked and requiring navigational skills and experience. Entry is day only for £5 and teams may enter free.