Trail Running calendar near Builth Wells 2026-2027

Event Overview The Beacons Way Ultra 100km is a 100-kilometer (62-mile) ultramarathon. It takes place on Saturday, July 25, 2026, across Bannau Brycheiniog, the Brecon Beacons National Park in South Wales. The route follows the official tra..

A 100 mile mountain ultramarathon following the Beacons Way National Trail through the Brecon Beacons. This self navigation race features over 6000m of ascent and passes the highest peaks in South Wales.

Run along the scenic banks of the River Severn on a flat disused railway line. Choose from multiple distances ranging from 9 miles to a 37 mile ultra marathon with regular support stations.

Experience the wild beauty of the Brecon Beacons with a range of trail races from 12km to 110km. This UTMB Index event offers multi-stage and single-day options through the rugged hills of Wales.

Join this flexible 7 hour time challenge at Dare Valley Country Park where you can run or walk any distance from 3km to an ultra-marathon on scenic well-maintained paths.

Experience the Somerset coastline and Exmoor on this versatile challenge featuring distance options from 10km to a 50km loop. Enjoy full support with rest stops, camping at Dunster Castle, and a festival atmosphere.

Test your stamina at MacTuffX Birmingham through a series of timed interval repetitions. Choose between solo, doubles, or relay categories across ten sets of 400 or 800 meters in this high energy summer event.

Test yourself on the highest peak in South Wales with a 5 or 13 mile trail race up Pen Y Fan. This supported mountain event features chip timing, finisher medals, and routes through the scenic Brecon Beacons.

Experience a 50 mile ultra marathon around the historic Epynt Way in Wales. This trail event offers 8,559 feet of elevation and scenic views of the Brecon Beacons without any time limits.

Discover the Rose Run with Phoenix Running South Wales at Parc Taf Bargoed, a scenic multi terrain out and back with a repeatable 5.3 km lap to build distances from 5 km to ultra. Rock up and run with staggered starts and limited spots.

Explore Birmingham's historic canal network and industrial heritage on a flat, off road circular course. Choose from distances of 18.5, 26.5, or 30 miles starting from Moseley Rugby Club.

Experience a four day endurance race covering 184 miles along the River Thames. This multi stage event features four unique ultra marathons and requires participants to be self sufficient while navigating the historic river path.

Experience a 57 mile point to point ultra marathon following the scenic Thames Path from Kemble to Oxford. Enjoy a well supported route featuring multiple checkpoints, bespoke finisher medals, and trophies for top performers.

Two trail distances along the Mendip Way on 8 August 2026, finishing at Uphill Sands Beach. The routes feature woodlands, hilltop views and coastal terrain with aid stations and a cupless policy.

Experience the beauty of the Brecon Beacons with a 51k or 24k trail run starting from Talybont on Usk. Enjoy a well marked course with stunning hill views and supportive aid stations.

Explore the Clwydian Hills and Offas Dyke Path in this established North Wales challenge. Choose between 16, 24, or 32 mile routes featuring woodland trails and ridge views for both runners and walkers.

A multi-distance event in Brickfields Park, Bath, that routes runners through two former railway tunnels and along the Kennet and Avon Canal. Distances run from 500 metres to 50 kilometres with timed results and on course drink stations.

A 12 or 24 hour hill and trail event on Moel Famau where solo runners and teams complete as many 7.2 to 7.5 km laps with roughly 500 m ascent as they can. Camping, feed stations, timing and GPS tracking are provided.

SkyRun Eryri in Rhyd-Ddu, Eryri/Snowdonia stages four mountain races from 16 km to 55 km on 15 August 2026, with large elevation gains, aid stations and a mix of ridgelines, scrambling and technical trails.

Experience an evening trail run through the parklands and woods of the Fyne Court Estate. Choose between 5km and 10km distances on undulating tracks in the heart of the Quantock Hills.