Trail Running calendar near Haverfordwest 2025-2026

We have found 71 Trailruns within 80 miles of Haverfordwest. See below where and when you can find the races.

The Trails & Tarmac Backyard Ultra is an exciting running event set in the scenic Black Mountains near Crickhowell, Powys. Participants will tackle a 4.167-mile loop that combines both trail and tarmac surfaces, featuring a mix of flat terrain and a few climbs. The event encourages runners to comple..

The West Glamorgan XC League - Round 3 takes place at Margam Park, hosted by Run4All Neath. This event features a 5-mile race and is part of a competitive series. Registration opens early, and participants must pre-register as there will be no on-the-day entries or guest runners allowed.Runners are ..

The Tarrenhendre Fell Race is a challenging 6-mile event featuring a 2000-foot ascent, part of the Meirionnydd Winter Race Series. The course begins at an elevation of less than 50 meters and ascends to the summit of Tarrenhendre at 634 meters, traversing through forestry and offering stunning views..

February 2025

The Secret Santa Series, organized by Limitless Trails, is a festive running event set in the scenic Brecon Beacons National Park. Participants can choose from three distances: a 12K, a 10-mile, or a half marathon, each featuring challenging trails and beautiful landscapes. Runners are encouraged to..

The Brecon to Cardiff Classic is a renowned 70k ultra marathon that takes participants on a scenic journey from Brecon to Cardiff, following the picturesque Taff Trail. Celebrating its 11th year, this fully marked race showcases the stunning landscapes of the Brecon Beacons National Park, featuring ..

The Brecon to Cardiff Ultra is a renowned 43-mile race that takes place along the scenic Taff Trail, starting in the Brecon Beacons National Park and finishing in Cardiff. Celebrating its 11th year, this fully marked event attracts ultra runners from all over, often selling out quickly. The route fe..

The Brecon to Cardiff Xtreme is a challenging mountain running event, part of the classic Brecon to Cardiff ultramarathon, now in its 11th year. This 75-kilometer linear race traverses 11 major peaks between Brecon and Cardiff, featuring approximately 2800 meters of ascent. It is designed for experi..

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March 2025

The Hateful 8 Loopy Ultra is an exciting running event set in the scenic Bridgend, South Wales. Participants will tackle a challenging 9-mile loop as many times as possible within an 8-hour time limit. The course features a mix of terrains, including a steep hill, picturesque road sections, and a te..

The Beast of the Blacks is an ultra trail event featuring 10, 20, and 40-mile courses set in the stunning Black Mountains of Wales. Designed for both elite and beginner trail enthusiasts, this challenging event promises breathtaking views and diverse terrain, including forest trails and mountain sum..

The Hateful Eight is an 8-mile day race set to take place on March 8, 2025, at The Nature Centre in Bridgend, UK. This mixed terrain course features a challenging route that includes a steep hill, scenic road sections, and a technical downhill forestry trail. The event aims to encourage participants..

The Gower Gallop Trail Races, taking place on March 8, 2025, at Oxwich Bay, offers an exciting running experience for participants of all levels. Runners can choose from three distances: 5km, 10km, and a half marathon, set against a stunning backdrop of beach, coastal paths, and woodland trails. The..

The Nant Yr Arian Silver Trail is a half-marathon and 10k race set in the stunning landscapes of mid-Wales. This event features challenging and varied terrain, making it an exciting experience for runners of all levels. In addition to the main races, there are children's events tailored for various ..

The Red Warrior Annual Multi Terrain Races offer a variety of running events, including 2K, 5K, 10K, and 20K distances, catering to both solo participants and canicross teams. Scheduled to take place at Margam Country Park, Port Talbot, the event is designed for runners of all abilities, featuring s..

April 2025

The Vale Coastal Trail Races, taking place on April 5, 2025, celebrate their 10th anniversary as the original ultra marathon and trail races along the Vale of Glamorgan coastline. Participants can choose from three race distances: a 32.5-mile Ultra, an 18.5-mile Trail (often referred to as a mini ul..

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"Steaming to the Coast" is an exciting trail running event organized by Channel Events, set to take place in 2025. Participants will enjoy a unique experience by riding the longest standard gauge steam railway line in the UK, traveling from Minehead to Bishops Lydeard. Runners can choose from three ..

The Beast of the Beacons is a challenging trail running event featuring 10, 20, and 40-mile routes set in the stunning Brecon Beacons National Park. Designed for both elite and beginner trail enthusiasts, participants will navigate a variety of terrains, including steep climbs, rocky paths, and sere..

The Pendine Sands Races feature a variety of running events including a 5k, 10k, Half Marathon, and Full Marathon, all set on the scenic Pendine beach. Known for its firm sand, the course is ideal for runners, including those who prefer barefoot running. Participants receive bespoke medals, and ther..

The Lawrenny Lampoon is a fun and scenic running event taking place on April 20, 2025, at Lawrenny Sports Club. Participants can choose between a 13K run, featuring a multi-terrain route with stunning views along the Cresswell river and two picturesque pubs, or a family-friendly 5K walk. Fancy dress..

Endurancelife's Pembrokeshire event features a range of challenging trail running courses, including a 10K, half marathon, marathon, and ultra marathon. Set in the stunning Pembrokeshire National Park, participants can expect breathtaking coastal views, rugged cliffs, and diverse terrain. The event ..

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Rasus y Bannau, also known as The Beacon Races, is a challenging long-distance running event taking place in Brecon, Wales, on April 26-27, 2025. Participants can choose from three race distances: 100 km, Ultra Trail (45 miles), and Marathon (26.5 miles), all set against the stunning backdrop of the..

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