Trail Running calendar near Haverfordwest 2025-2026

We have found 75 Trailruns within 80 miles of Haverfordwest. See below where and when you can find the races.

Trails & Tarmac Backyard Ultra is held near Crickhowell in the Black Mountains, Powys. The course uses 4.2-mile loops of mixed trail and tarmac, with one gentle climb and a short steep section for a fast, runnable feel. The event follows an endless BYU format: each loop must be completed within one..

The Maverick X Series Afan Forest 2025 is a trail running event set in the scenic Afan Forest Park, South Wales. Offering four route options—Ultra (50 km, 1133 m elevation), Long (42 km, 970 m), Middle (25 km, 625 m), and Short (10 km, 232 m)—the course features a mix of hard-packed gravel trails an..

UTMB Index

The Fraggle Run in Aberdare, hosted by Saturn Running, is a 7-hour time challenge event set in the scenic Dare Valley Country Park. Participants can choose their distance, starting from a minimum of 3km, with laps measuring approximately 4.37 miles (7km) on well-maintained footpaths offering beautif..

The 361° Abersoch Half Marathon takes place in the seaside village of Abersoch on Wales’ Llyn Peninsula. The 13.1-mile course is predominantly road-based, with a final kilometer along Abersoch Beach to a lively finish crowd. Runners pass through Llanengan, Llangian and Sarn Bach, with drink stations..

Bude Pirate Run 2025 is a Cornwall multi-terrain race held near Bude, with the start and finish on Maer Down, Crooklets. The course covers about 8 miles of off-road trails, offering coastal scenery, hills and a mixture of coast path, fields, wooded sections and a few short road links. Runners will f..

The Warhorse will take place in Braunton on Sunday 21 September 2025.

Pumsaint Trail Half Marathon, held at Pumsaint village hall in Llanwrda, United Kingdom, is a scenic, hilly half marathon set in the Cothi valley. The event also features a 6.5-mile fun run and children’s races on an approximately one-mile woodland course with single-track paths. The atmosphere emph..

The Doone Run 2025 is the 36th edition of the trail race, held on Sunday 21 September 2025 within Exmoor National Park in the Lynmouth area. The event is organised by Ilfracombe Running Club and runs over 10 miles / 16 km on a multi-terrain route from Watersmeet toward the Valley of the Rocks. The..

RTT Margam 10k & 5K is organised by Aspire X Events and takes place at Margam Country Park, Margam, Neath Port Talbot, SA13 2TJ on 28/09/2025. The event offers the following distances: 5K 10K The 10K route is a repeat of the 5K lap. The race starts near the East Lodge Car Park within Margam C..

October 2025

North Coast 110 / Exmoor Coast 55 is Climb South West’s four-distance coastal ultra set along the North Devon and Exmoor coast. Distances available: 110 miles, 110 km, 65 km, and 55 km. The self-navigated course follows the South West Coast Path, with GPS tracking and transport from Minehead to the..

UTMB Index

North Coast 110 / Exmoor Coast 55 is a multi-distance coastal ultra run by Climb South West. The 55 km Exmoor Coast Ultra starts in Combe Martin and finishes in Minehead along the South West Coast Path, tracing the Exmoor National Park coastline. Other distances on offer include 65 km, 110 km and 11..

The Gower Ultra 50, Ultra Bach & Trail Race, organized by Run Walk Crawl, takes place on the Gower Peninsula in Wales, following the Wales Coast Path through the Gower AONB. Three distances are offered: 50 miles (Gower Ultra 50), 34 miles (Gower Ultra Bach) and 23 miles (Gower Trail). The course sta..

UTMB Index

Rad Dau Gopa Aberystwyth Twin Peaks Race is a mixed-terrain running event based on Aberystwyth Promenade, with start and finish at the Bandstand. The race features a two-peak circuit that climbs Pen Dinas and Constitution Hill. The Senior course covers about 11.7 km (7.3 miles) with around 237 metre..

The Scare Bear Run in Aberdare, hosted by Saturn Running, is a unique 7-hour time challenge event set in the scenic Dare Valley Country Park. Participants can choose their distance, starting from a minimum of 3km, with laps of approximately 4.37 miles (7km) on well-maintained paths offering beautifu..

November 2025

The OTT Ultra Marathon is a 30 miles trail race in the Brecon Beacons, scheduled for Saturday 1 November 2025. The event is based in Merthyr Tydfil. Entry is limited to 200 runners and the race will be chip timed. The minimum age to enter is 18. Entry fees are listed at £60 for affiliated/UKA membe..

Endurancelife Gower is a coastal trail-running event on the Gower Peninsula, centered on Oxwich Bay in Wales. It offers four distances: 10K (6.8 miles), Half Marathon (14.3 miles), Marathon (27.4 miles), and Ultra (34.2 miles). The route traverses strenuous terrain—cliff tops, downs, woodlands, sand..

UTMB Index

The Beacons Ultra, Marathon and Half is a trail running event on Saturday 8 November 2025 in Talybont-on-Usk, Powys, in the foothills of the Brecon Beacons. All races start and finish in Talybont-on-Usk and use mixed terrain including trail, mountain, canal and road. The event takes place in mid-No..

UTMB Index

The Margam Trail Races take place at Margam Country Park and Forest, offering runners a scenic and well-marked trail running experience. The event features three distances: a half marathon (21.1 km with 750m elevation), a 10k (10.2 km with 420m elevation), and a 5k (5.1 km with 140m elevation). The..

Dusk Till Dawn: The Winter Edition, run by Mad Running Junkies in Bridgend, South Wales, is a 12-hour night-running challenge staged at the Bridgend Miniature Railway (Fountain Road, Aberkenfig, Tondu). Participants tackle three roughly 10-mile loops, aiming to complete as many laps as possible with..

Trails & Tarmac 12hr Backyard Ultra takes place on 15 November 2025 in Crickhowell, Powys, set in the Black Mountains. The event is organised by Limitless Trails. Entries open 22 January 2025 and close 8 November 2025. The minimum age to enter is 17 or older. The entry fee is £75. Trophies are..