Trail Running calendar near Merthyr Tydfil 2025-2026

We have found 228 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

Explore the Malvern Hills Ultra from Abberley Village Hall with multiple distance options along the scenic Worcestershire Way. Enjoy sweeping views, timed support from 'Time Lords', and a bespoke finisher medal and tech shirt.

Rasus y Bannau is a tough trail in the Brecon Beacons with marathon and ultra options up to 100K across scenic ridges. Expect marked routes, checkpoints and mountain safety on May 2 and 3 2026.

Hit the Cotswolds trails with Tempo Trail Races on Sunday 3 May 2026, featuring distances from 10K up to a 100K ultra. Pick your challenge or try the new 50K option for a weekend of scenic, adventurous running.

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..

Take on the Westcountry Ultra Flat, a 50 mile point to point ultramarathon on 9 May 2026 from Taunton to Minehead. Enjoy a pancake flat first half followed by scenic coastal climbs, rocky beaches and unforgettable views to the finish.

Join the Westcountry Ultra Hilly 50, a scenic yet testing 50 mile trail ultramarathon near Minehead on 9 May 2026. Coastal views, woodland and moorland, six aid stations and a finisher medal make this a memorable challenge.

Take on the Westcountry Ultra 100 mile point to point across Somerset coastline and countryside, with coastal paths, limestone cliffs and a dark skies reserve. With a 32 hour cut off and 13 aid stations, this scenic but demanding ultramarat..

Epona 100 is a bold 100 mile trail race from Abergavenny that links Offa's Dyke, the Cambrian Way and the Beacons Way across roughly 17,000 ft of ascent. Expect rugged trails, aid station support and a generous 50 hour time limit.

Take on the Tenacious Ten Hour Endurance Challenge, a timed mountain loop at Mynydd Troed in Powys with steep climbs, technical downhills and scenic trails. Solo, pair or four person teams aim to log as many laps in 10 hours.

Preseli Beast is a circular off road fell race from Maenclochog around the Preseli hills, with steep climbs, boggy trails and coastal views. Choose 24 mile or 11 mile routes; entries open December 2025 for May 9 2026.

Run the Sid Valley Ring Half or Third Marathon on 9 May 2026 and soak up coastal, woodland and country lane scenery. Choose 22 km or 13.5 km, expect hills and mud, and help maintain the trail with your entry.

Take on Endurancelife Exmoor on 9 May for sweeping moorland, cliffs and wooded combes with routes from 10K to an Ultra, featuring stiff climbs and stunning coastal views. Fully marked courses, electronic timing and a finishers medal make it..

UTMB Index

Apocalypse Ultramarathon in Church Stretton on 9 May 2026 offers 10 to 50 mile options across four scenic but brutal loops. With a 16 hour limit, rolling food at HQ and limited places this is a bold endurance challenge.

Join the Ridgeway 40 on May 9 2026 for a scenic 40 mile walk along the Ridgeway across chalk downland. Limited entries and checkpoint support make this a rewarding challenge for prepared walkers.

Take on the True Grit Trail Half Marathon on 16 May 2026 for a gritty 13.1 mile test across quarry sections, forestry trails and the scenic Bedford Park. With 50 places available this muddy, wild route rewards finishers with a bespoke medal..

Join the Shindig in the Shire on 16 May 2026 for 8, 16 or 26.2 mile routes through the iconic Ironbridge Gorge. Tackle rewarding climbs then celebrate at the pub with ales, food and finisher bling.

Join the Semington Slog on 16 May 2026 at St Georges School for 10k and 2k routes through the village and along the Kennet and Avon Canal towpath. Family friendly fun with marshalls, refreshments and a Slog Dog for every finisher.

On 16 May 2026 choose the OTT Trail Marathon or 10 Mile in the Brecon Beacons, tackling Pen Y Fan and rugged upland trails. Expect epic views, testing climbs and a friendly finishers vibe with a coaster and buff for everyone.

Event overview Rocky at 50 Run - Wales is a 7 hour time challenge held at Dare Valley Country Park in Aberdare. Runners may choose their own distance during the event, with a minimum official finish distance of 3 km. Finishers who complete..

June 2026

Discover the Pembrokeshire Coastal Races, a multi distance trail and ultra running weekend along the dramatic Pembrokeshire Coast Path, finishing with a clifftop finale at Dale Hill Farm Campsite. Choose from multiple distances, enjoy onsit..