Trail Running calendar near Haverfordwest 2025-2026

We have found 74 Trailruns within 80 miles of Haverfordwest. See below where and when you can find the races.

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 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..

UTMB Index

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.

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..

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.

Run the scenic Care for Kids Barnstaple 10K on 7 June 2026 along a flat, mostly off road route on the Tarka Trail and riverside parks. Enjoy chip timing, a finishers medal and an event shirt for early entrants while supporting a great local..

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.

Run Lundy Island on a scenic 13.5 mile marked trail that hugs dramatic clifftops and visits all four corners. Boat transfer is available, support is on course and every finisher earns a medal.

July 2026

Run 27 miles from Plynlimon to Caersws in this scenic MTC Hafren Ultra, climbing to the source of the River Severn before following the riverside path back. Expect remote mountain trails, checkpoint support and stunning Welsh views.

Tackle the 12 hour Dusk To Dawn challenge at Bridgend Miniature Railway on 18 July 2026, running as many 10 mile loops as you can across mixed terrain and forested hills. Expect night markings, on course support, and a true endurance test.

Rabbit Run Wales stages scenic coastal trail races on Merthyr Mawr Estate, from a punchy 12K over hills, valleys and the Big Dipper sand dune to a 40K that adds the dramatic Glamorgan Heritage Coast. Family Bunny races and a Toddler Dash ma..

Run the Gower Peninsula Ultra Challenge from Penrice Castle with distances from 10 km to a 100 km figure of eight route highlighting wild coastal scenery and big climbs. Fully supported with rest stops, tracking, and finisher goodies.

Run or walk as far as you like in the 7 hour Ooops I Ran It Again event at scenic Dare Valley Country Park, from 3 km to ultra distances. Finishers earn themed medals and distance pins, with aid stations, vegan snacks and free parking, and..

Take on the South West Coast 50 Ultra Challenge around Dunster, a scenic 50 km loop along the Minehead section of the South West Coast Path across Exmoor with about 1600 m of climb. Enjoy staffed aid stops, camping, GPS tracking and post ra..