Trail Running calendar near Caernarfon 2024-2025

We have found 84 Trailruns within 80 miles of Caernarfon. See below where and when you can find the races.

The Brenig Way 50K Trail Race is a scenic running event that takes participants through 32 miles of beautiful upland scenery, starting in Corwen, Dee Valley. Runners will navigate a diverse terrain, including country lanes, technical climbs, and forest tracks, culminating at the picturesque Llyn Bre..

November 2025

The Delamere Forest Half Marathon and Marathon, organized by RunThrough UK, will take place in November 2025. Set in the picturesque Delamere Forest, this event features a scenic course that includes trails through the forest, around Blakemere Moss, and along the Sandstone Trail, offering stunning v..

The Anglesey Trail Half Marathon & 10K is a scenic running event set in the picturesque Newborough Forest and Traeth Llanddwyn in Anglesey, North Wales. Participants can choose between a half marathon (21.1 km) and a 10K race, both of which feature stunning views of the Llyn Peninsula and the Snowdo..

The PFW Running - World Diabetes Day Run is a charitable event held at Stanley Park, Blackpool, to raise awareness and funds for Type 1 diabetes research. Participants can complete a 3.1-mile loop course within a 6-hour time limit, with options for half marathon, marathon, and ultra distances. All p..