Trail Running calendar near Haverfordwest 2025-2026

We have found 65 Trailruns within 80 miles of Haverfordwest. See below where and when you can find the races.

Explore the wild Gower Peninsula from Penrice Castle basecamp with weekend camping and routes from 10 km up to a 100 km figure of 8 ultra. Fully supported with food, medical cover and a finisher T shirt and medal.

UTMB Index

Run scenic coastal trails at Merthyr Mawr Estate, over sand dunes including the famous Big Dipper and along the Glamorgan Heritage Coast. Choose from 12K, 40K or family Bunny races for a sandy seaside challenge for all abilities.

Take on the Selworthy Beacon Fell Race on Sun 19 Jul 2026, a punchy 6.2 km with 305 m of climb from Bossington National Trust car park. Pre entry or day entry available for a classic short fell test with stunning coastal views.

The Beacons Way Ultra is a stunning but demanding 100 km trail across the Brecon Beacons high ground including Pen y Fan. 24 hour cutoff and 250 places by application make this race ideal for experienced navigators with strong hill fitness.

Ultra X Wales in the Brecon Beacons on 25 and 26 July 2026 offers trail races from 12 km to 110 km with aid stations along the routes. Camp on site, benefit from UTMB index status and GPS tracking for the 110 km, and earn a finisher medal.

UTMB Index

Run along the South West Coast Path and Exmoor from a Dunster basecamp near Dunster Castle with scenic 50 km, 25 km or 10 km loops and big climbs. Enjoy covered aid stops, camping, shuttles and a finisher T shirt, medal and race fizz.

Run your own race at Ooops I Ran It Again Wales, a 7 hour time challenge at Dare Valley Country Park on 25 July 2026. Pick any distance from a 3 km minimum to ultra and enjoy drinks stations, a cafe and a themed medal.

Take on the Pen Y Fan Challenge, a scenic trail race to the summit of Pen Y Fan in South Wales on 26 July 2026. Choose a 5 mile or 13 mile route, enjoy marshalled trails, a finisher medal and on course refreshments.

August 2026

Take on EDDUM 2026 on August 1, a 50 mile loop along the Epynt Way around the Sennybridge military training area, mostly trails with plenty of climbing. The supported route features five staffed checkpoints, no time limit and a relaxed fini..

The Brecon Beacons 51k will take place in Talybont-on-Usk on Saturday 8 August 2026.

UTMB Index

Take on the Beast of Llangattock, a scenic trail from Park Farm with distances from 10 km to a 51 km ultra on August 22 2026. Rugged climbs, panoramic Brecon Beacons views and well stocked checkpoints make for a challenging day out.

September 2026

Take on the RIDUM 30 mile ultra on September 5, 2026 exploring ridge top trails around the Rhymney Valley with big climbs and mostly off road terrain. Well stocked checkpoints and post race care await finishers.

Join Barney to Beach on 13 Sept 2026 for a scenic 8 mile run from Barnstaple to Crow Point along the Tarka Trail, with a 1 mile kids fun run. Finish festival with live music, medals and family fun supporting Families in Grief.

Tackle The Relentless on 18 September 2026 at Bridgend Miniature Railway, a rugged 10 mile loop with big climbs and a full lap hub for crew, food and rest. Pick 50 mile or 100 mile and push your limits on this intimate ultra.

Run the scenic 13.1 mile 361° Abersoch Half Marathon on the Llyn Peninsula, finishing with a final kilometre across Abersoch Beach. Enjoy music, massages, beach bar and prizes plus medals and tech tees for all finishers.

Choose 23, 34 or 50 mile routes that trace beaches, bays and cliffs around the Gower peninsula in this stunning Area of Outstanding Natural Beauty. Enjoy checkpoints, GPS tracking, finisher's medal and post race food.

Take on scenic park trails at Margam Country Park on 27 September 2026 with a choice of 5K or 10K laps suited to runners of all levels. Chip timing, water stations and a finisher medal ensure a rewarding and well supported race day.

October 2026

Take on the scenic Twin Peaks & Ras Consti in Aberystwyth, with a testing 11.7 kilometre senior route over Pen Dinas and Constitution Hill. Starts and finishes on the promenade with great views, cafes and family friendly junior races.

November 2026

Run the dramatic North Coast 110 and Exmoor Coast Ultra along the South West Coast Path on 7 and 8 November 2026, with distances up to 110 miles and GPS tracking provided. Self navigated routes showcase cliffs, estuaries and classic North D..

On 7 November 2026 explore the stunning Gower peninsula from Oxwich Bay on scenic trail courses that hug cliff tops, dunes, woods and beaches. Choose from 10K, Half Marathon, Marathon or Ultra and enjoy a friendly vibe with finish medals.

UTMB Index