Snowdonia Trail Marathon Eryri
External Event
Distance
6.2–35.4 mi
Pace
Varied
Terrain
Trail
Difficulty
Challenging
About this run
Experience the Snowdonia Trail Marathon Eryri in Llanberis, Wales on July 11-12, 2026. This challenging event features distances ranging from 10 km up to 57 km. Further details are available via the registration link.
What to expect
- Trail marathon event
- Distances from 10 to 57 km
- Challenging terrain
Typical conditions
For events around July 2026 in Llanberis, Wales: Typical summer / warmer season in this region — plan hydration and sun protection; verify any heat policies with the organizer.
How to prepare
Trail events reward time on uneven surfaces and hills. Practice footing and bring the shoes and hydration the organizer recommends — details vary by race.
Find races near youGetting there
This event is listed in Llanberis, Wales. Confirm the exact start venue, parking, and transit options on the official registration page.
Registration is handled by the official event organizer
Know a local group? Host a community run in Llanberis
