Trail Running calendar near Builth Wells 2026-2027

We have found 278 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

This scenic trail half marathon winds through the heart of the Forest of Dean. It doubles as the British Trail Running Championships short distance event, offering a chance at a national title. The well marked course starts and finishes at..

Take on the Red Warrior multi terrain races at Margam Country Park on 22 March 2026, with 5K, 10K and 20K routes for solo runners and canicross teams. Expect varied trails, friendly vibes and a great day out for competitors and their dogs a..

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,..

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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 Glyders section of the legendary Paddy Buckley Round on this guided 15 km mountain run. Experience 1,830 meters of elevation gain with expert guidance through the heart of Snowdonia National Park.

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 range on this 16km guided run following the Paddy Buckley Round route. Run from Ogwen Valley to Capel Curig with experienced guides and gain valuable mountain training.

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.

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.

Experience the 45th edition of this classic Shropshire fell race featuring a 5.5 mile course with 1700 feet of elevation. Join the final event of the Shropshire Winter Series starting from Ercall Wood Academy in Telford.

April 2026

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.

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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..

Run entirely on the famous, firm sands of Pendine Beach. Choose from five distances, from a 5k to a 32.8-mile ultra, all on a simple out-and-back course. All finishers get a medal, with trophies for the category winners.

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 dramatic cliffs and hidden coves of the Glamorgan Heritage Coast with three distance options along the Wales Coast Path ending at Ogmore by sea.

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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.