Trail Running calendar near Merthyr Tydfil 2026-2027

We have found 270 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

Three off-road fell races around the Preseli hills centred on Maenclochog village green, including a roughly 24 mile Preseli Beast with substantial ascent, mixed terrain and feed stations about every five miles.

A multi-loop trail ultramarathon in Church Stretton on May 9 2026 offering choices from 10 to 50 miles across four distinct loops with over 10,000 ft of climbing if all are completed. Central HQ provides long buffet and timed support.

Join the Dilton Dash on 10 May 2026 at Dilton Marsh for scenic multi terrain 10K, 3K and 1/2K fun runs supporting village causes. Expect stiles and gates, medals for all finishers and prizes for winners.

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.

A series of marked trail races around Stroud and the Cotswolds using towpaths, commons and old railway lines, with checkpoints, water stations, marshals and map/GPX support.

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.

A mountain trail marathon and a 10 mile alternative in the Brecon Beacons, starting and finishing at Parkwood Dolygaer. The marathon has three checkpoints and a 6 hour cutoff at 20.5 miles; both races require mandatory safety kit.

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.

Join the Semington Slog on 16 May 2026 for a scenic 10K or family 2K around the village, canal towpath and leafy lanes. A friendly community fundraiser at St Georges School with marshalled routes, children’s activities and tasty food, plus..

Run the Shropshire Historic 50K from Telford Town Park to The Quarry Park in Shrewsbury on 16 May 2026, via Ironbridge, Buildwas Abbey and Wroxeter Roman City. Officially measured with chip timing, nutrition stations and free photos.

Marilyn's Meldon Madness on 16 May 2026 invites runners to a spirited fell challenge at Meldon Reservoir near Okehampton, with a testing 415 m climb and sweeping moorland views. Pre entry is required and places are limited.

Trail running from Sudeley Castle in the northern Cotswolds with routes from 7 km to 51 km, marked trails, outposts and mandatory kit for longer courses. The event uses reusable cup policy and provides parking, bag drop and timed results.

A multi-terrain 10 mile, 6 mile and 1 mile fun run in Beer, East Devon on 17 May 2026. The 10 mile includes over 1600 ft of ascent along coastal trails and the event raises funds for Beer Primary School PTFA.

Join the Portcullis Trail 10 km in Langport on Sunday 17 May 2026 for a scenic run across the Levels, droves and countryside around Cocklemoor. Expect mixed trail terrain and a friendly community vibe; no headphones or dogs.

Tackle the 10 mile Sirhowy Challenge on 17 May, a scenic multi terrain loop climbing 1500 ft to Machen Trig Point through the rolling Sirhowy valley. Undulating terrain suits adventurous runners and all finishers receive a drinks token.

Tackle the Batch Bash in All Stretton on Wed 27 May 2026, a steep 4.8 km fell run with 305 m of climb to test your hill legs. Friendly entry options and a capped field keep this a welcoming, lively race day.

Tackle the Telford T50, a 50 mile trail around scenic Shropshire with views of Ironbridge and the Wrekin on 23 May 2026. Organised by How Hard Can It Be Events, the pre marked course mixes trails and roads with aid stations and cake.

Enjoy a lively 6.5 km hill run on Mynydd Myfyr near Oswestry with mixed terrain and 150 m of climbing, supporting Trefonen Hill Walk Weekend. Entry on the day welcome; scenic views and prizes make it a rewarding spring challenge.

A riverside trail event in Taunton on 24 May 2026 offering a flat, fast 10K and a half marathon with prizes for top finishers and medals for all. Organised by Prosper Events with positive feedback on support and feed stations.