Trail Running calendar near Merthyr Tydfil 2026-2027

We have found 258 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

Run the May the Fourth trail races on 2 May 2026 across scenic Long Mynd from Carding Mill Valley, with half marathon and full marathon options. Limited entries and a virtual option mean great views for hill and trail fans.

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

Tempo Trail Races take over the Cotswolds on Sunday 3 May 2026, with routes ranging from 10K to a 100KM ultra. Choose your challenge and enjoy rugged trails, a friendly atmosphere and UKA backed organisation.

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..

Run the Sid Valley Ring for coastal and woodland views along quiet lanes and cliffs, with challenging hills and muddy trails. Choose the 22 km Half Marathon or 13.5 km Third Marathon and finish near Sidmouth with a solid oak coaster.

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.

Race the wild Exmoor coast from Martinhoe with looped trail routes across moor, woods, cliffs and rivers, featuring steep climbs and stunning sea views. Choose from 10K, half, marathon or ultra for a true coastal challenge.

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.

Take on the iconic Ridgeway 40 mile walk across rolling chalk downlands and ancient tracks from Avebury to Streatley on 9 May 2026. Checkpoints and support keep you going and finishers earn a commemorative badge and certificate.

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.

Apocalypse Ultra in Church Stretton offers four rugged loops that total 50 miles and over 10,000 ft of ascent. Run or walk one to all four loops in any order and direction for a tough, flexible endurance challenge.

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 Dilton Dash at Dilton Marsh for a scenic multi terrain 10K, 3K and half kilometre fun run, with medals for all finishers and prizes for top runners. Friendly small field event with refreshments and water stations.

Tackle the scenic 10 km Scorpion Run at Symonds Yat Rock in the Forest of Dean with winding trails and a final climb to the finish. Enjoy undulating gravel tracks, riverside views and a cafe at the start and finish for post run treats.

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.

Take on the OTT Trail Marathon or 10 mile race through the Brecon Beacons on 16 May 2026, featuring climbs over Pen Y Fan and sweeping reservoir views. A rugged looped trail challenge with scenic rewards and event buffs and coasters for fin..

True Grit Trail Marathon is a rugged 26.2 mile trail through quarry, hills and forestry including the Hill of Doom and Mount Mayhem. Limited to 50 runners, the marked course has feed stations and a finisher medal for a gritty challenge.

Enjoy scenic running around Ironbridge Gorge from The Unicorn Inn, with 8, 16 or 26.2 mile options passing Ironbridge, Jackfield and the Silkin Way. The path based course has some climbs, clear markings and pub refreshments at the finish.