Trail Running calendar near Haverfordwest 2025-2026

Tackle the Beast of the Beacons, a supported trail race in the Brecon Beacons offering 10, 20 or epic 40 mile options. Marked routes, well stocked checkpoints and camping make it a proper mountain running weekend.

Take on a scenic 34.8 mile one day ultra from Merthyr Tydfil to Barry Island along National Cycle Route 8 on 19 April 2026. Limited to 40 runners, this inaugural edition offers an intimate yet epic challenge with a coastal finish.

Run the wild coastal trails of Pembrokeshire National Park from 10K to Ultra, with cliffs, coves, sandy bays and sweeping sea views. Finishers earn points toward the Endurancelife season leaderboard.

Run at Dare Valley Country Park in Wales in a relaxed 7 hour Time Challenge where you can choose any distance from 3 km up to ultra. Scenic park loops, medals for all finishers and an on site cafe with snacks.

Rasus y Bannau on 2 and 3 May 2026 starts in Brecon and circles the Brecon Beacons. Pick marathon, 75 km or 100 km routes over high ridges and summit climbs with full support and a finishers medal.

Experience the HOWUM 2026, a scenic 30 mile ultra through the Heart of Wales starting and finishing at Dol Lys Camp Ground in Llanidloes with no time limits. Enjoy trail views, three staffed checkpoints and a Pegasus medal at the finish.

Run Exmoor's rugged coast and moorland at Maverick Exmoor X Trail in Lynton on 2 May 2026. Choose from five routes from 5 km to 56 km, enjoy fully marked, timed trails, a finishers medal and stunning Valley of Rocks views.

Tackle a rugged 50 miles ultra across West Somerset coast, moorland and woodland with dramatic climbs and the tiny Culbone church. Six aid stations, GPX route and medical cover support a 16 hour cutoff for experienced runners.

Tackle rugged Exmoor trails at Martinhoe on 9 May 2026 with coastal views, steep climbs and wooded combes. Multiple distances from 10K to Ultra suit all levels and finishers earn leaderboard points.

Explore the wild Preseli hills in West Wales up to Foel Cwmcerwyn on trail, fell and boggy terrain. Choose the shorter Beast Bach or the full Preseli Beast for a scenic, tough off road challenge with post race food and evening social.

Take on the OTT Trail Marathon or 10 mile race through the Brecon Beacons on 16 May 2026, featuring climbs over Pen Y Fan and sweeping reservoir views. A rugged looped trail challenge with scenic rewards and event buffs and coasters for fin..

Face the True Grit Trail Marathon on 16 May 2026 in Bridgend, a 26.2 mile adventure across mixed terrain, quarries and the notorious Mount Mayhem. Limited to 50 places, with a marked route, five aid stations and a bespoke finisher medal.

Celebrate Rocky at 50 with a scenic Time Challenge at Dare Valley Country Park, choosing laps to suit any distance from 3 km to an ultra. Finishers get a themed medal and goody bag, plus park views and on course refreshments.

Pembrokeshire Coastal Races is a trail and ultra festival on the Pembrokeshire Coast Path from 5 to 7 June 2026, finishing on a cliff top at Dale. Choose distances from 22 mile to 100 mile with coach transport and campsite support included.

Tsunami Ocean Trails invites you to tackle dramatic coastal trails from North Devon into Cornwall, finishing on the lawns of Castle Bude. Choose ultra, marathon or 16 mile routes across wild cliffs and big climbs for stunning sea views and..

Take on the VOGUM 40 mile ultra along the Wales Coast Path on 6 June 2026, enjoying beaches, cliffs and coastal castle views from Porthcawl to Penarth. Fully staffed checkpoints and no time limit make this a stunning and supported adventure..

Midnight Mountain Marathon in Brecon Beacons lets runners start in daylight and finish under stars while crossing iconic summits like Pen Y Fan. Pick marathon, half or bergen entries and collect a finisher medal plus a warming mug of tea.

Explore Exmoor with a weekend of running and walking at the Pinkery Centre in June 2026, from family strolls to 30 mile challenges. Enjoy social evenings, guest speakers and films while taking in stunning National Park trails.

Run around rugged Lundy Island on 28 June 2026: a 13.5 mile off road course along coastal trails and clifftops, with a Raceboat option to travel there. Finishers earn a Lundy Puffin medal and a memorable island day out.

Run around 27 miles of mountain terrain to the source of the River Severn, climbing Plynlimon before following riverside paths into Mid Wales. Part of the MTC Severn Challenge, this scenic ultra offers rugged views and checkpoint support.