Trail Running calendar near Dyffryn Nantlle 2024-2025

We have found 92 Trailruns within 80 miles of Dyffryn Nantlle. See below where and when you can find the races.

The Snowdonia Mountain Skills Weekend, organized by Running Adventures, offers an immersive experience for advanced trail runners looking to enhance their mountain skills. Set in the stunning Nantlle Valley, participants will engage in challenging runs, including steep climbs and navigation exercise..

EcoTrail Wicklow is an exciting trail running event set in the stunning landscapes of Wicklow, Ireland. Scheduled for September 27, 2025, the event features multiple race distances, including 10K, 19K, 30K, 46K, and an 80K challenge, catering to runners of all levels. With a focus on eco-responsibil..

UTMB Index

The Town to Tower 10K is an uphill race that takes participants from the charming market town of Ruthin to the summit of Moel Famau, located in the stunning Clwydian Hills. This unique 10K route offers a challenging experience for runners of all abilities, culminating at over 550 meters above sea le..

The Bridgeathon, organized by PFW Running, is a multi-distance running event taking place along the scenic Lancaster canal towpath. Participants can choose from a 10K, half marathon, marathon, or ultra (32 miles) route, with all distances featuring a flat course and a time limit of 6 hours. Runners ..

October 2025

The Loop Ultra is an exciting 50km (32 miles) trail running event set in the stunning Cambrian Mountains of Mid Wales, organized by Limitless Trails. Scheduled for October 11, 2025, the event starts at Camp Plas, offering a marked route that showcases breathtaking landscapes, including Lake Vrynwy a..

Loggerheads Autumn Trails is an exciting running event featuring extended versions of popular 5k and 10k races, set in the scenic Loggerheads Country Park. Participants can enjoy varied terrain and challenging routes, with no time limits, making it accessible for runners of all abilities. The event ..

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 November Nightmare is an exciting running event taking place over eight days in Telford, Shropshire, celebrating its 10th year. Participants can choose from various distances each day, including 8 miles, a half marathon (approximately 16 miles), or a full marathon. Runners can enter for a single..

The Delamere Forest 21k and 42k event, organized by RunThrough UK, will take place in November 2025. Set in the picturesque Delamere Forest, this trail race offers participants a chance to experience stunning scenery while navigating through the forest, around Blakemere Moss, and along the Sandstone..

The Anglesey Trail Half Marathon and 10K is a scenic running event held in Newborough Forest, North Wales, showcasing the stunning landscapes of Anglesey. Participants can choose between a half marathon (21.1 km) and a 10K race, both featuring picturesque trails that include forest paths and views o..

The PFW Running - World Diabetes Day Run is a charitable event aimed at raising awareness and funds for Type 1 diabetes research. Scheduled for November 14, 2025, at Stanley Park in Blackpool, participants can complete a 3.1-mile loop course within a 6-hour time limit, with options for various dista..

The PFW Running Lancashire Loop Trail Run invites participants to experience the scenic beauty of Lancashire through a variety of race distances, including a 10K, half marathon, marathon, and ultra marathon. The course features a picturesque route in Blackpool, passing notable landmarks such as Mart..