Trail Running calendar near Llanfairpwllgwyngyll 2025-2026

We have found 111 Trailruns within 80 miles of Llanfairpwllgwyngyll. See below where and when you can find the races.

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 Preston, Fylde & Wyre Running, is a multi-distance running event featuring a 10K, half marathon, marathon, and ultra marathon. Set along the scenic Lancaster canal towpath, participants will encounter 43 bridges throughout the marathon route. The event starts at Guys Ca..

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 set in the beautiful upland scenery of North Wales. Starting in Corwen, participants will navigate a marked footpath that spans 32 miles, crossing the Dee Valley and climbing to Clocaenog Forest before reaching the picturesque shores of Llyn Br..

November 2025

The Delamere Forest 42k will take place in Delamere on Sunday 2 November 2025. You can run between 21 and 42 kilometers.

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 taking place 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 distance..

The Lancashire Loop Trail Run, organized by PFW Running, invites participants to explore the scenic beauty of Lancashire on Sunday, 23 November 2025. The event features a 10K loop course that runs through Blackpool, showcasing attractions like Marton Mere nature reserve, Herons Reach golf course, an..

April 2026

The MTC Gelert is a challenging 47-mile ultra marathon that takes place as part of the Mount to Coast End to End Challenge Series. The race starts in Barmouth and follows the scenic National Cycle Route 8 to Llanidloes. It is also the third day of the CYMRUN, a six-day event covering various unique ..