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Scott Snowdonia Trail Marathon

Name: Scott Snowdonia Trail Marathon
Start: 2026-07-12
End: 2026-07-12
Location: Llanberis

location_city Llanberis

flag United Kingdom

calendar_today 12 Jul, 2026

directions_run Running

language Official Website

About the Event

Conquer the legendary trails of Wales's most iconic national park in a true mountain running festival. The Snowdonia Trail Marathon Eryri returns on 11-12 July 2026, offering four epic distances—a grueling 57km Ultra, a classic Marathon, a scenic Half Marathon, and a 10K—all starting from the outdoor capital of Llanberis. This premier event carves a breathtaking route through the very heart of Eryri (Snowdonia), passing historic villages like Beddgelert, traversing Nant Gwynant, and offering staggering views of Yr Wyddfa (Snowdon) itself. As an ITRA and UTMB-indexed race, it's a serious challenge for seasoned trail runners, yet its vibrant event village and family-friendly atmosphere welcome everyone. Lace up for an unforgettable journey across the UK's most spectacular mountain landscape.

Races Offered

10 km

Jul 12, 2026

straighten

Distance — 10K

terrain

Type — Trail running

timer

193 days remaining

Full Marathon

Jul 12, 2026

straighten

Distance — 43.4K

terrain

Type — Trail running

timer

193 days remaining

Half Marathon

Jul 12, 2026

straighten

Distance — 21.1K

terrain

Type — Trail running

timer

193 days remaining

Ultra Marathon

Jul 12, 2026

straighten

Distance — 57K

terrain

Type — Trail running

timer

193 days remaining

Weather Overview

These values represent the 3-year monthly averages for July in Llanberis.

Temp (°C)

Feels Like (°C)

thermostat 12.5° / 17.5°

wb_sunny 10.1° / 15.2°

Wind (km/h)

Humidity (%)

air 15.4 /

water_drop 82.9%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 12.5° / 17.5°

wb_sunny 10.1° / 15.2°

air 15.4 km/h

water_drop 82.9%

About Llanberis

Llanberis is in North Wales, 7 miles away from Caernarfon.

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Scott Snowdonia Trail Marathon

About the Event

Races Offered

10 km

Full Marathon

Half Marathon

Ultra Marathon

Weather Overview

About Llanberis

Hotels & Places to Stay

Nearby Races

Cadair X Half Marathon

Jones o Gymru Anglesey Half Marathon and 10k

MTC CYMRUN

THE ROC Wales

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