Trail Running calendar near Margam 2025-2026

Nant Yr Arian Silver Trail Races on 14 March 2026 in the Cambrian Mountains with half marathon, 10 km and junior races. Organised by Aberystwyth Athletic Club as a not for profit race supporting charities, routes are waymarked with GPX.

Tough paired trail run across Dartmoor from the East Dart Inn in Postbridge, covering about 21 km with rugged climbs and sweeping moorland views. The third race in the Winter Pairs series, it is limited to 35 pairs and is pre entry only.

Join the Dashing Dog Charity Run at Dare Valley Country Park for a 7 hour time challenge where you choose how many laps to run. Support local dog rehoming charities and enjoy scenic trails, medals and on course aid.

Finish the season with the final round of the West Glamorgan XC League at Gnoll Park, Neath on 15 March 2026, a testing 5 mile cross country hosted by Neath Harriers. Club only event with no on the day entries, registration opens 2 February..

Tackle the rolling lanes of Bratton in a scenic 11K road and multi terrain run that supports Bratton Jubilee Hall. Limited to 200 entries, this friendly event offers medals for all finishers and a lively village atmosphere.

Run the Forest of Dean Spring Half Marathon on Sunday 22 March 2026, a scenic half marathon starting and finishing at the Speech House Hotel along waymarked forest trails with gentle climbs. Organised for charity and supported by the Forest..

Join the Red Warrior Challenge at Margam Country Park on 22 March 2026 for mixed terrain races offering 5K, 10K and 20K options. Solo runners and canicross teams welcome at this sixth annual celebration of trail fun and challenge.

The Way of the Dead is a rugged 50k Dartmoor traverse on 28 March 2026, finishing at Tavistock Stannary Brewing Company. Enter solo or in pairs for a scenic but testing navigational challenge across tors and moorland.

Beyond Bristol offers scenic urban trail running on 28 March 2026, starting and finishing at Museum Square. Choose 25 km or 55 km routes that wind under Clifton Suspension Bridge and through parks, woodland and old railway lines with chip t..

Run scenic loops through Bath past the Royal Crescent and River Avon, with distances from 10 km to 50 km. Fully supported with rest stops, catering and medical teams; finishers get a medal, T shirt and a glass of fizz.

Enjoy scenic trail running at Escot Park near Exeter, with rolling climbs, mud and a two lap half marathon or single lap 10K, plus canicross options. Professional timing, medals and refreshments on site make it a fun off road day out.

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..

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

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.