Trail Running calendar near Builth Wells 2026-2027

Experience a unique urban trail adventure starting in the heart of Bristol. Choose between 25km and 55km routes featuring riverside paths, woodland trails, and iconic views of the Clifton Suspension Bridge.

The Bath 50 Ultra Challenge offers a scenic looped route around the historic city on 28 March 2026. Choose from 50 km, 29 km, or 10 km distances, with full support including rest stops and meals. It's open to walkers, joggers, and runners,..

A surprise-distance trail run at Bwlch Penbarras with an earlier Canicross start; organisers reveal the last kilometre. The marked, marshalled course is 6 to 12 kilometres across hilly terrain and includes a chocolate treat and a finishers'..

Explore the Llanberis to Ogwen Valley leg of the Paddy Buckley Round with this guided 15 km mountain run featuring 1,830m of elevation gain across the Glyders in North Wales.

The Ultra in the Black Country returns for its ninth year in March 2026. This 32-mile scenic loop starts and finishes at Baggeridge Country Park. The traffic-free route explores disused railways, canal paths, and tunnels, and can be run sol..

Explore the Carneddau leg of the iconic Paddy Buckley Round on this 16 km guided mountain run. Gain 1,245 m of elevation while learning the route from qualified Mountain Leaders in the heart of Snowdonia.

A five mile off road trail at Upcote Farm on 29 March 2026, limited to about 300 places. The route features farm roads, bridleways and forest tracks, with chip timing, medals for all and prize categories for juniors and veterans.

Take on the finale of the Shropshire Winter Series at Ercall Wood, a tough 8.8 km fell race climbing 519 m on scenic Ercall Hill. Pre entry or on the day entries accepted and junior races run for ages 12 to 17.

Celebrate a birthday with a Cakeathon in South Wales. Run or walk a flexible number of laps on a 5.3km course through Parc Taf Bargoed. Choose your distance and enjoy a 7-hour event with a finisher's medal and cake.

Family friendly event at Telford Town Park with 2.5K and 5K routes, a finisher teddy for each participant, and a post-race teddy bears picnic. The event raises funds for Birmingham Children's Hospital and encourages fundraising.

Join the 45th Wrekin Fell Race in Telford for a classic Category A short fell race featuring 1700 feet of climbing. Finish the Shropshire Winter Series at Ercall Wood Academy with distances for both senior and junior runners.

Experience a trail run through the UNESCO Dyfi Biosphere and along the Wales Coast Path. This event features a half marathon and a two lap marathon with 850m of elevation gain in the stunning Snowdonia National Park.

The BOWUM is a 30-mile ultramarathon exploring the historic Welsh borderlands. The circular route from Monmouth passes three ancient castles and features a mix of trail and road. This inaugural event offers supported checkpoints and encoura..

Tackle this fully guided 68km linear trail from Pentrefoelas to Bodfari, gaining 1,840m of ascent. With checkpoint support and qualified guides, the focus is on steady progress through remote landscapes. Finishers receive a wooden medal and..

Experience the unique challenge of racing on the firm sands of Pendine Beach. Choose from five distances ranging from 5k to an ultra marathon on a course famous for land speed records.

Enjoy a festive multi terrain run around the picturesque Chasewater Reservoir with distances ranging from a Junior Run to 20 km. This undulating course features professional timing, bespoke medals, and a friendly atmosphere.

Enjoy a unique trail running event where you ride a heritage steam train to your start line before racing back to Minehead along the beautiful Somerset coastline and Quantock Hills.

Experience the rugged Glamorgan Heritage Coast with three trail races following the Wales Coast Path. Choose from ten, eighteen, or thirty two mile routes featuring dramatic cliffs and hidden bays ending at Ogmore by Sea.

Experience the rugged beauty of the Gower Peninsula with a self navigation half marathon or marked trail runs of 10km and 5km. Enjoy coastal paths and woodland trails starting from the scenic Oxwich Bay.

A 50km ultra run starting and finishing in Pwllheli. The event has a strict no-crew policy and requires mandatory kit. Registration includes a specific refund policy and the option for bib transfers with a fee.