Trail Running calendar near Narberth 2025-2026

We have found 88 Trailruns within 80 miles of Narberth. See below where and when you can find the races.

Tackle coastal trails at Little Haven, Pembrokeshire on 25 April 2026 with distances from 10K to Ultra and panoramic sea views across Britain’s only coastal national park. Part of the Endurancelife season, the race features marked course, t..

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Take on Cadair X, a scenic mountain half marathon of 13.1 miles that climbs to the summit of Cadair Idris. Expect rugged trails, woodland and glacial lakes for a dramatic and rewarding mountain run.

Choose your distance in this 7 hour time challenge at scenic Dare Valley Country Park, with multi lap routes from 3 km up to 50 km. Enjoy on course snacks, vegan options and themed medals with distance pins.

May 2026

Experience a 30 mile ultra across wild central Wales, starting and finishing in Llanidloes and taking in Clywedog Reservoir and the source of the River Severn. Staffed checkpoints and no overall time limit make it a welcoming adventure.

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.

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.

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.

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..

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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..

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.

Take on the Rocky at 50 Run Wales, a relaxed 7 hour time challenge at scenic Dare Valley Country Park where you pick your distance from a 3 km minimum up to 50 km. Finishers earn themed medals and enjoy tasty aid station treats.

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..

Run the Brecon Beacons at Midnight Mountain Marathon on June 6, 2026, starting in daylight and finishing under the stars, so some may need a torch. Take part in Marathon, Half Marathon or Bergen pack races and earn a medal and a mug of tea.

Experience wild clifftop trails along the North Devon and Cornish coast at TSUNAMI Ocean Trails on Saturday 6 June 2026. Choose from a scenic 37 mile ultra, marathon or 16 mile route and finish on the lawns of Castle Bude with a bespoke fin..

Tackle 40 miles of the Wales Coast Path from Porthcawl to Penarth, passing golden beaches, cliffs and Ogmore Castle. No time limits and strong support let you relax and earn a Pegasus medal.

Tackle 15 miles of the historic Offa's Dyke path around Hay on Wye in a scenic and challenging trail race. Friendly atmosphere and relay option make it perfect for solo runners or teams seeking a memorable summer run.

Ultra Wales 50 is a rugged 51 mile trail through Southern Snowdonia, taking in Cadair Idris, Rhinog Fach and Coed y Brenin forest and estuary vistas. Expect long climbs, technical terrain and epic views on a day of mountain running.

Run 26 miles of the North Cornish Coast Path in the Boscastle Scramble, a supported self navigated marathon through coves, cliffs and rugged trail. Finish in Boscastle for medals, prizes and a well earned pub welcome.