Trail Running calendar near Builth Wells 2025-2026

We have found 253 Trailruns within 80 miles of Builth Wells. See below where and when you can find the races.

Run at Dare Valley Country Park in Wales in a relaxed 7 hour Time Challenge where you can choose any distance from 3 km up to ultra. Scenic park loops, medals for all finishers and an on site cafe with snacks.

May 2026

Tackle the Malvern Hills Ultra on 2 May 2026 across stunning Worcestershire ridges with distances from 23 to 47 miles. Choose self guided routes, earn a finisher medal and enjoy big climbs, beautiful views and wild terrain.

Rasus y Bannau is a tough mountain trail race starting and finishing in Brecon, sending runners across the wild Bannau Brycheiniog peaks. Choose a marathon or bold 75 km and 100 km ultra routes with full checkpoint support.

UTMB Index

Take on a guided, non competitive traverse of Snowdonia's 15 Welsh 3000s, covering roughly 30 miles with about 4,000 m of ascent across Snowdon, Carneddau and Glyderau. Expert mountain guides, support vehicle and food stations included.

Experience the HOWUM 2026, a scenic 30 mile ultra through the Heart of Wales starting and finishing at Dol Lys Camp Ground in Llanidloes with no time limits. Enjoy trail views, three staffed checkpoints and a Pegasus medal at the finish.

Run Exmoor's rugged coast and moorland at Maverick Exmoor X Trail in Lynton on 2 May 2026. Choose from five routes from 5 km to 56 km, enjoy fully marked, timed trails, a finishers medal and stunning Valley of Rocks views.

UTMB Index

Discover the Cotswolds with Tempo Trail Races on 3 May 2026, offering scenic trail distances from 10K up to a new 50K and a 100 km ultra. Choose your challenge and soak up friendly club vibes and beautiful countryside.

Join a guided recce of the Moelwyns leg of the legendary Paddy Buckley Round in Snowdonia, tackling a rugged 35 km route with big climbs. Small guided groups from experienced Paddy Buckley finishers offer route tips and technical support.

The Sheinton Steeplchase is a 5.3 km cross-country race held near Sheinton Church by Cressage in the West Midlands. Featuring a total ascent of 100 meters, it offers a challenging yet accessible course that is not a traditional fell race bu..

Experience a scenic 50 mile point to point ultra from Taunton to Minehead, starting on flat canal towpaths then rolling coastal trails past marshes, beaches and woodland. Enjoy aid stations, a medal and stunning Westcountry views.

Tackle a rugged 50 miles ultra across West Somerset coast, moorland and woodland with dramatic climbs and the tiny Culbone church. Six aid stations, GPX route and medical cover support a 16 hour cutoff for experienced runners.

Westcountry Ultra 100 is a scenic and tough 100 mile trail from Taunton to Minehead, following canals, rivers and coastal paths. Expect dramatic views, challenging climbs and a 32 hour cutoff with plentiful aid stations.

Tackle rugged Exmoor trails at Martinhoe on 9 May 2026 with coastal views, steep climbs and wooded combes. Multiple distances from 10K to Ultra suit all levels and finishers earn leaderboard points.

UTMB Index

Tackle the Epona 100, a 100 mile ultra with 17,000 ft of climbing across Offa’s Dyke and the Beacons Way. Starting and finishing in Abergavenny, the mostly trail route offers eight aid stations and a 50 hour cutoff.

Explore the wild Preseli hills in West Wales up to Foel Cwmcerwyn on trail, fell and boggy terrain. Choose the shorter Beast Bach or the full Preseli Beast for a scenic, tough off road challenge with post race food and evening social.

9 May 2026 in Church Stretton the Apocalypse Ultramarathon offers 10 to 50 mile options across four rugged loops totalling about 50 miles and 10,000 ft of ascent. Single HQ support and on site food keep runners moving but entries are full.

Challenge the Welsh Three Peaks: Snowdon, Cadair Idris and Pen y Fan across about 17 miles of rugged mountain scenery. Join guided events with transport and support or attempt a self organised challenge on public dates in 2026 and 2027.

Join the Paddy Buckley recce fun run in Snowdonia on 10 May 2026, tackling 15 km with 1,580 m of ascent. Run in small guided groups led by mountain leaders and enjoy epic scenery plus practical route tips.

Join the Scorpion Run on 10 May 2026 at Symonds Yat Rock for a scenic 10k trail through the Forest of Dean and Wye Valley with riverside views. Expect gravel tracks and a tough final 1 km climb to the cafe finish with coffee and hot food.

Take on the Caradoc Classic, a scenic 3.5 miles fell race from Church Stretton climbing about 268 m. Part of the local Summer Series, this friendly community event includes junior races and on the day entries.