Trail Running calendar near Merthyr Tydfil 2026-2027

We have found 321 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

Experience scenic trail running at Wimbleball Lake with 5km and 10km routes across the dam. This event features chip timing, custom medals, and dedicated Canicross categories for runners and their dogs.

Experience a point to point mountain ultra from the Black Mountains to Cardiff featuring scenic ridges and historic castles. Choose between 33 or 44 mile distances with indoor aid stations and self navigation along the Cambrian Way.

A fell race in North Pembrokeshire on Sat 29 Aug 2026 covering 8 km with 330 m of climb. Entries are accepted in advance and on the day, and junior Mochyn du races have entry on the day only.

An England Athletics affiliated club in Pershore, Worcestershire, Pershore Plum Plodders runs weekly parkrun meetups and Plod Nights, operates a members-only kit shop, and organises the annual Plum 10k with published results for recent year..

A classic fell race near Machen featuring a 7km course with 365m of ascent. Entry is on the day only for runners over 18. The route demands proper footwear and may require mandatory weather gear.

September 2026

Test your endurance at a looped off road running event featuring 6, 12, and 24 hour challenges. Enjoy a community atmosphere with on site camping and options for solo runners or relay teams on a flat farm based course.

Experience a 30 mile ultra marathon along the scenic ridge tops of the Rhymney Valley Ridgeway Walk in South East Wales with no time limits and full course support.

Trail running in the Shropshire Hills centred on Carding Mill Valley, offering Marathon, Half Marathon and 10K routes. Single lap courses cross National Trust land and require participants to carry basic kit and water.

A series of runs at Westonbirt Arboretum in Sept 2026 and Feb 2027, offering distances from 1 mile to half marathon on solid forest paths, with marked courses, feed stations, event medals and age‑based entry rules.

Experience an all-terrain run from Barmouth beach to the summit of Cadair Idris. Choose from three distances featuring coastal views and mountain trails with full marshal support and chip-timed results.

A long-distance walking and running event crossing Wales over a 45 mile linear route to be completed within 18 hours, presented as a weekend package with accommodation, coach transport, refreshment stops and route maps.

Experience a flat multi terrain course along the banks of the River Wye. This festival of running offers chip timed 10k and 5k races plus a family fun run and Canicross options for everyone to enjoy.

Join the Carnival Chase on 6 Sep in Warminster Town Park for 10K, 3K and a 1.2K family, wheelchair and buggy fun run. Enjoy a scenic country lane course by the boating lake, medals for all and a lively event village.

Take on the Stretton Skyline, a scenic yet demanding 30.5 km fell race around Church Stretton with 1357 m of climb and panoramic Shropshire Hills views. Pre entry only, finishers enjoy a tasty goody bag.

Run as far as you like at Alice in Runderland, a timed multi lap event at Parc Taf Bargoed with flexible start times and on course support. Choose from one lap up to marathon and earn a bespoke finisher medal.

Sourton Tor Race uses a revised, slightly longer route with more uphill and a new start. The final race of the summer series includes marked junior races of 2 km and 3 km.

An eight mile community run from Barnstaple Pannier Market to Crow Point with a one mile children's race, an event village and a fundraising campaign marking 20 years of Families in Grief.

A backyard ultra near Crickhowell on a 4.167 mile loop of trail and tarmac. Runners complete hourly laps with a final raced lap to decide the winner, medals for yard completions and a special medal at 32 miles.

A single-stage trail race of about 47 miles along the Cotswold Way from Chipping Campden to Painswick, featuring steep climbs, varied surfaces, on-course support, live tracking and a finishers medal.

Test your endurance at Wyre Forest in a unique hourly loop challenge where you choose your distance. Complete the 6.7 km forest circuit every hour to stay in the race until only the Lone Wolf remains.

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