Trail Running calendar near Haverfordwest 2026-2027

Three long distance mountain trail races around the Bannau Brycheiniog starting and finishing in Brecon, offering 100 km, 75 km and marathon distances with substantial ascent and on-course support.

Experience 30 miles of Welsh beauty on a circular route from Llanidloes. This inclusive trail event features 4,356 feet of elevation gain with no time limits and fully stocked checkpoints.

A trail running event in Exmoor National Park offering five coastal and inland routes from 5 km to 56 km, outposts with snacks, a plastic-free water policy and recommended mandatory kit for longer distances.

Cwmdu is a 15.9 km fell race near Crickhowell with 920 m of climb over Pen Tir and Mynydd Troed. The route requires navigation and mandatory kit; entry fees include tea and cakes.

The Sirhowy Challenge is a 10 mile multi-terrain race featuring a 1,500ft climb to Machen Trig Point. Participants enjoy a scenic loop through the Sirhowy valley with awards and a finishers social at the local club.

A 12 mile off road run across the Clovelly Estate on 3 May 2026, organised by RNLI Events. The course features steep hills and views, tickets are shown from £33.22 to £38.62 and the event is for 18 plus.

A 13.4 km fell race around Talgarth with 610 m of ascent. The course is partially marked and requires navigation; entry is £10 pre entry or £15 on the day and the event is insured by the WFRA.

Test your endurance on a technical 3.2 mile mountain loop at Mynydd Troed. Complete as many laps as possible within ten hours as a solo runner or part of a team in the heart of the Black Mountains.

A 50 mile trail ultramarathon on coastal and upland terrain around Minehead with about 7,337 ft of ascent, six aid stations and a 16 hour cutoff. It is a cupless race with GPX navigation provided.

Trail races at Martinhoe on 9 May 2026 offering 10K, half, marathon and ultra routes across moorland, woods, cliffs and coast. Part of the Endurancelife season with points contributing to the Season Leaderboard.

A 115 km multi-discipline race from Abersoch Beach to Snowdon summit and back, combining a sea swim, road cycling and a mountain ascent via The Watkin Path. The 2026 event reached a 400-person capacity and is currently sold out.

A set of off-road fell races in the Preseli hills featuring a 10.8-mile Bach and an approx 24-mile Beast with substantial ascent, marked and partly supported courses, category prizes, and WFRA safety and kit requirements.

Trail runs through Margam Country Park offering 5 km, 10 km and Half Marathon routes with live chip timing. Canicross is allowed and finishers receive a medal, merchandise and refreshments.

A mountain trail marathon of about 26.2 miles and a separate 10 mile race start and finish at Parkwood Dolygaer in the Brecon Beacons. The marathon has three checkpoints and a six hour cutoff at 20.5 miles; compulsory kit is required for bo..

A community Pretty Muddy 5k obstacle course in Singleton Park on 16 May 2026, with mixed grass and path terrain, staggered wave starts and accessibility provisions including sunflower wristbands and BSL stage content.

A multi terrain 10 km run on 22 May 2026 through Parc Dinefwr, Parc Penlan and Parc le Conquet with a 90 minute cut off; entry includes cheese and wine for finishers and an optional event T shirt.

A 26.2 mile trail marathon near Bridgend with mixed terrain, quarry and forestry sections, and a route past the Bedford ironworks. Places are limited to 60 runners and the course is marked with GPX and five feed stations.

A long-standing 16 mile mixed surface hill race in Lampeter that follows the Teifi valley and crosses the Sarn Helen roman road. It offers individual entries and three person relays and includes a prize for beating the course record.

A 5 km fell race near Pengenffordd in South Wales with about 320 m of climb and a route that requires navigational skills. Junior races are available from age 7 and the event is insured by the WFRA.

A themed Time Challenge at Dare Valley Country Park on 30 May 2026 celebrating 50 years of Rocky, with distances from 3 km up to ultramarathon and themed medals, pins, aid stations and free parking.