Trail RunningHalf Marathon

Eryri 25K

9 May 2027
Llanberis, Wales, United Kingdom
Ultra Trail Snowdonia

Race details

Modality

Individual

Organizer

Ultra Trail Snowdonia

Distance

24 km

Elevation

+1,300 m

Terrain

Trail

Difficulty

Advanced

Course profile

Mountainous

Minimum age

18+

Certified

No

Circuit

UTMB World Series

Event description

The Eryri 25K is a challenging trail race starting from Llanberis, taking runners through the rugged and iconic landscapes of the Snowdonia National Park. Featuring 1,300m of elevation gain over a 24km course, it offers a technical and mountainous test for athletes looking to experience the best of Welsh trails.

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Sport

Trail Running

Distance

Half Marathon

Country

United Kingdom

Region

Wales