Trail Running calendar near Builth Wells 2025-2026

Discover the Hallow 12 Parish Challenge on 11 July 2026, a scenic off road run and walk from Hallow through 12 charming parishes. Choose distances from 10 to 40 miles over circular, waymarked routes with checkpoints and a hot finish meal.

Explore the Shropshire Hills at The Piece of Cake Trail Run in Carding Mill Valley on 11 July 2026, with 10 km, half and full marathon options. Marked routes, finishers medals and a fun cake competition await.

Explore the Gower Peninsula on 18 and 19 July 2026 from Penrice Castle basecamp, following a figure of eight route across beaches, limestone cliffs, moors and woodland. Choose a continuous 100 km, a two day 100 km or shorter loops.

Take on coastal trails at Merthyr Mawr Warren National Nature Reserve on 18 July 2026 with 12K, 40K and family races like Bunny and Toddler Dash. Expect sand dune descents, river crossings and dramatic cliffside views for a true Welsh trail..

Take on the legendary Welsh 3000 Challenge across all 14 Snowdonia peaks in one epic outing or over 2 days. Guided groups, checkpoints and return transport help you tackle rugged ridges and 50 km with 4000 m of ascent.

Run 30, 50 or 100 miles along the stunning Wales Coast Path, finishing at the Norwegian Church in Cardiff Bay. Expect coastal trails, beaches and dunes with live GPS tracking and staffed checkpoints for a true seaside ultrarun.

Enjoy the Wye Valley Tunnel Run along the scenic Greenway, including the 1 km Tidenham Tunnel and riverside railway paths. Distances from kids Colourburst to marathon make this a family event with waymarked routes and on course feast statio..

Tackle trails and a climb to the Iron Age hillfort at Croft Ambrey on 19 July 2026, with 5 mile and 10 mile options. Fully marked courses, water stations and marshals make the scenic Herefordshire challenge welcoming to all abilities.

Take on the Selworthy Beacon Fell Race on Sun 19 Jul 2026, a punchy 6.2 km with 305 m of climb from Bossington National Trust car park. Pre entry or day entry available for a classic short fell test with stunning coastal views.

Tackle the legendary Paddy Buckley Round in a guided, fully supported three day traverse of northern Snowdonia, visiting 47 summits and wild ridge lines. Perfect for experienced mountain runners seeking a big, guided challenge.

The Beacons Way Ultra is a stunning but demanding 100 km trail across the Brecon Beacons high ground including Pen y Fan. 24 hour cutoff and 250 places by application make this race ideal for experienced navigators with strong hill fitness.

Tackle an epic 100 mile ultramarathon across the Brecon Beacons National Park, summiting iconic peaks and crossing wild mountain trails. Limited to 250 runners with live GPS tracking and full checkpoint support, this is a true test of endur..

Join the Railway Ultra on 25 July 2026 for a scenic riverside run along a disused railway between Ironbridge and Bridgnorth, passing industrial heritage sites. Pick distances from 9 to 37 miles and enjoy aid stations and nearby pubs.

Ultra X Wales in the Brecon Beacons on 25 and 26 July 2026 offers trail races from 12 km to 110 km with aid stations along the routes. Camp on site, benefit from UTMB index status and GPS tracking for the 110 km, and earn a finisher medal.

Run a scenic 50 km loop from Dunster along the South West Coast Path across Exmoor with about 1600 m climb, or choose shorter loops and a family 10K around Dunster Castle. Camping and robust on course support make this a top summer ultra.

Run your own race at Ooops I Ran It Again Wales, a 7 hour time challenge at Dare Valley Country Park on 25 July 2026. Pick any distance from a 3 km minimum to ultra and enjoy drinks stations, a cafe and a themed medal.

Take on the Pen Y Fan Challenge for a scenic trail run to the summit of the highest peak in South Wales, with 5 mile and 13 mile options for runners aged 16 or older. Expect chip timing, a finisher medal and a fully marshalled route.

Take on EDDUM 2026 on August 1, a 50 mile loop along the Epynt Way around the Sennybridge military training area, mostly trails with plenty of climbing. The supported route features five staffed checkpoints, no time limit and a relaxed fini..

On 2 August 2026, run or walk a scenic circular route along Birmingham canals and the River Cole with 18.5, 26.5 or 30 mile options. Well supported checkpoints, finish food, a finisher badge and a cake competition promise a fun day out.

Take on the Standish Woodland Chase on 2 August 2026, a hilly just over 8 miles route along the Cotswold Way featuring woodland trails and escarpment views. All finishers receive a metal souvenir medal.