Trail Running calendar near Merthyr Tydfil 2025-2026

We have found 248 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

Ras yr Aran on 28 March 2026 starts from Llanuwchllyn village hall near Bala and offers a testing 10 mile senior race with about 945 m of ascent across classic North Wales terrain. Teams and juniors welcome with limited entries.

Run the 32 mile Ultra in the Black Country on 29 March 2026 from Baggeridge Country Park near Dudley. This traffic free loop along canal towpaths and disused railway lines includes mandatory head torch tunnel sections for a true adventure.

Take on hilly, muddy trails at the Minster Challenge in Axminster on 29 March 2026 with 12km, 5km and family friendly 3km options. All finishers get medals, winners earn prizes and homemade refreshments will be served by Axe Valley Academy..

Run the Feighan Fury, a 10 mile multi terrain trail through private estates in mid Devon with hills, woods and river sections for a proper off road challenge. Prefer a gentler pace? Try the 5 km Templeton Trail fun run and enjoy village HQ..

Join the Run Upcote Spring Trail on 29 March 2026 at Upcote Farm for a scenic 5 mile off road race across bridleways, farm tracks and forest paths with testing climbs and descents. Entries are limited so expect a friendly, well supported ev..

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.

April 2026

The Aberdyfi Half Marathon will take place in Aberdyfi on Saturday 4 April 2026.

UTMB Index

Inaugural BOWUM on 4 April 2026 from Monmouth: a 30 mile circular ultra across the Borderlands of Wales. Mostly trail, with scenic castle views on parts of the Three Castles Walk and Offa's Dyke Path, three manned checkpoints and a finisher..

Run the iconic Pendine Sands on 5 April 2026 with beach out and back routes from 5k to a 32.8 mile ultra. Expect a scenic tidal course with bespoke finisher medals and trophies for top runners.

Steam to the coast then run back to Minehead along scenic trails and the ridgelines of the Quantock Hills. Choose 11 km, 11 miles or the 26.2 mile marathon as heritage steam trains ferry runners to their starts.

Discover the Vale Coastal Races on 11 April 2026 with 32.5 mile ultra, 18.5 mile and 10 mile trail options. The Wales Coast Path hugs cliffs, beaches and coves, finishing at Ogmore by Sea with marked notes and checkpoints.

Enjoy stunning coastal, woodland and dune trails at Oxwich Bay with 5 km, 10 km or a self navigated half marathon. Part of the Run The Trails Series, the event is timed and all finishers receive a medal.

Run the stunning South West Coast Path from Exmouth to Seaton with about 4,000 feet of ascent and a beach finish in Seaton. Choose solo, relay or the Sidmouth to Seaton option for a classic spring trail challenge.

The Big Cheese is an off road fell race in Cheddar, Somerset, covering 15 miles across the Mendip Hills with over 2,000 ft of climb. Take on a fully marked course and enjoy a finisher's medal plus tea and cake at the end.

Take on the Wild Horse 200 series and run 200 miles across unforgettable Welsh trails and mountains. Pick the South Wales route finishing at Worms Head in April 2026 or the Mid Wales loop starting and ending in Machynlleth in June 2026.

Take on the inaugural MTC Gelert 47 mile ultra from Barmouth to Llanidloes on 16 April 2026, the third day of the MTC CYMRUN end to end. Limited field, bespoke medal for all finishers and real time tracking for supporters.

Inaugural MTC Afanc ultra on 18 April 2026 sends runners 39.7 miles along National Cycle Route 8 from Glasbury to Merthyr Tydfil. Expect rugged scenery, strict pacing and a hard earned Afanc medal at the finish.

Run or walk the Shropshire Way 80K Festival on 18 April 2026 from the Shropshire Hills Discovery Centre, enjoying hilly trails through peaks, Iron Age hillforts and woodlands. Distances 10 km to 80 km and proceeds support Grow Cook Learn.

Join a guided 18 mile trail run along the Malvern Hills ridge, summiting the peaks and tackling 1300 m of ascent with a qualified coach. Not a race; expect steady trail pace, stunning views and friendly company.

Beast of the Beacons on 18 April 2026 at Gilestone Farm near Tal y Bont offers 10 mile, 20 mile and 40 mile trail races across rugged forest, mountain and reservoir terrain. Marked routes, aid stations and camping support runners.