Trail Running calendar near Haverfordwest 2026-2027

We have found 79 Trailruns within 80 miles of Haverfordwest. See below where and when you can find the races.

This 27-mile ultra marathon starts with a challenging trek up Plynlimon mountain in Wales. Runners then follow the Severn Path to the finish, passing two stocked checkpoints. All finishers receive a medal, technical t-shirt, and head visor.

Explore the UK's first Area of Outstanding Natural Beauty on the Gower Peninsula. Choose from distances ranging from 10 km to 100 km, with full support and a basecamp at historic Penrice Castle. Options include a competitive run category, a..

UTMB Index

Rabbit Run Wales offers stunning trail races on the private Merthyr Mawr Estate. Runners can choose a 12K route over hills, valleys, and sand dunes, or a 40K tour along the dramatic Glamorgan Heritage Coast.

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.

Tackle a scenic 10 km trail run at Llys-y-frân Lake, part of the 2026 RTT Series. The route offers varied terrain with beautiful lakeside and woodland views. Runners receive a finisher's medal and chip timing.

Event Overview The Beacons Way Ultra 100km is a 100-kilometer (62-mile) ultramarathon. It takes place on Saturday, July 25, 2026, across Bannau Brycheiniog, the Brecon Beacons National Park in South Wales. The route follows the official tra..

Ultra X Wales offers a multi-day trail running weekend in the Brecon Beacons with six distances, from a 12 km run to a challenging 110 km ultra. The event features fully stocked aid stations and is a UTMB Index Race. Runners under 23 can pa..

UTMB Index

Choose your own distance challenge in a 7-hour window at Dare Valley Country Park. Run scenic laps on well-maintained paths, with Britney-themed fun. Everyone finishing 3 km or more gets a themed medal, a goody bag, and ice cream.

Explore the stunning South West Coast Path and Exmoor on this summer trail challenge. Choose from 50km, 25km, or 10km loops starting from a festival basecamp at Dunster Castle. The event welcomes walkers, joggers, and runners with full supp..

UTMB Index

Choose between a 5-mile or 13-mile trail run to the summit of Pen Y Fan, South Wales' highest peak. The entry includes a medal, buff, and chip timing, but participants must carry specific compulsory kit. The event takes place on a Sunday in..

August 2026

The EDDUM is a 50-mile ultra marathon following the Epynt Way trail loop around the Sennybridge Training Area in Wales. With significant elevation gain and fully stocked checkpoints, it offers a demanding trail adventure through an historic..

The Brecon Beacons 51k trail run starts in Talybont-on-Usk on 8 August 2026. The route heads into the hills for panoramic views across the Brecon Beacons countryside.

UTMB Index

Event Details The Beast of Llangattock is a trail running event with four distances: 32 miles, 20 miles, 10 miles, and 10 km. It takes place on Saturday, 22 August 2026. The start and finish location is Park Farm in Llangattock, near Crickh..

Run your chosen distance on the scenic paths of Dare Valley Country Park. This 7-hour time challenge offers distances from 3km to ultra, with a unique cupcake medal for all finishers. Enjoy a bake-off themed aid station and post-run goody b..

A trail event in Afan Forest Park offering two measured routes of about 6.5 miles and 10.5 miles with substantial climb and prize categories. A separate one mile Mini Beast for children includes a finisher medal and sweets.

A fell race in North Pembrokeshire on Sat 29 Aug 2026 covering 8 km with 330 m of climb. Entries are accepted in advance and on the day, and junior Mochyn du races have entry on the day only.

A classic fell race near Machen featuring a 7km course with 365m of ascent. Entry is on the day only for runners over 18. The route demands proper footwear and may require mandatory weather gear.

September 2026

A 30-mile ultra marathon on the circular Rhymney Valley Ridgeway Walk in South Wales. Experience varied trails, significant elevation, and supported checkpoints on this September adventure.

Explore the rugged Welsh landscapes at the RunThrough Snowdonia Sea2Sky trail races. Choose from 12k, 25k, or 54k distances on a route from Barmouth beach to Cadair Idris summit. Enjoy chip timing, a themed medal, and free race photos.

This eight-mile community event from Barnstaple Pannier Market to Crow Point in North Devon features an eight-mile course and a children's fun run. It supports the charity Families in Grief and includes an event village at the finish.