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.

A point-to-point, fully marked long-distance race along the Taff Trail from the Brecon Beacons to Nantgarw, covering about 70 km. The course mixes upland trails and valley cycle paths, with six checkpoints and a Merthyr drop bag for mid-rac..

Two winter mountain races between Brecon and Cardiff. The Brecon to Cardiff Xtreme is about 75 km (47.5 miles) over 11 summits with roughly 2680 m ascent, while the Taff Xtreme Marathon covers the second half at about 26.2 miles and 1300 m..

UTMB Index

Celebrate St David's Day with a flexible 7-hour time challenge run in Wales' scenic Dare Valley Country Park. Choose your own distance on well-maintained footpaths and earn a medal for any run over 3 km. Free parking, an aid station, and go..

Join a joyful and inclusive 10km run in Abersoch on 8 March 2026. The event fosters community and encourages participants to run, jog, or walk at their own pace with no cut-off times. It's a day focused on health, support, and feeling good.

Trail runners can choose a Half Marathon or 10km route through the scenic Cambrian mountains. The fully signed courses have no cut-off time and include children's races. The family-friendly event village offers local food and supports chari..

Tackle the Beast of the Blacks on a challenging trail run through the Welsh Black Mountains. Choose from 11, 20, or 40-mile routes past forests, river crossings, and mountain tops. The event is canicross-friendly, features fully stocked che..

Run under the stars on the trails of Arlington Court. Choose between a 6km or 12km night-time loop, with head torches lighting the way through the hilly estate. Keep an eye out for local wildlife like owls and deer as you race.

The Dashing Dog Charity Run - Wales This is a charity running event to raise money for local dog rehoming centres, organized by Saturn Too Limited. It takes place on March 21, 2026, at Dare Valley Country Park in Aberdare, Wales. The event..

Fifth and final West Glamorgan XC League race at Amman Valley Trotting Club in Tairgwaith on 15 March 2026. A 5 mile cross country organised by Neath Harriers with free parking, a cafe, and no on the day entry.

Take on the Red Warrior multi terrain races at Margam Country Park on 22 March 2026, with 5K, 10K and 20K routes for solo runners and canicross teams. Expect varied trails, friendly vibes and a great day out for competitors and their dogs a..

April 2026

A tough trail half marathon in Aberdyfi with 850 meters of climbing. The scenic route runs through the UNESCO Dyfi Biosphere and along the Wales Coast Path. It's a UTMB Index Race for the 20K category.

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Run entirely on the famous, firm sands of Pendine Beach. Choose from five distances, from a 5k to a 32.8-mile ultra, all on a simple out-and-back course. All finishers get a medal, with trophies for the category winners.

Trail running event from Minehead using a steam train to the start points. Distances include **11 km**, **11 miles** and a full marathon returning to Minehead across the Quantock Hills and coastal paths.

Three point to point trail races on 11 April 2026 along the Vale of Glamorgan coast, including a 32.5 miles ultra and 18.5 and 10 miles options. Routes follow the Wales Coast Path with marked navigation, checkpoints and event bus transport.

UTMB Index

The first race of the 2026 Run The Trails Series on Wales' Gower Peninsula. Choose from three distances on a multi-terrain coastal course. The half marathon requires self-navigation through sand dunes, woodlands, and coastal paths.

A 50km ultra run starting and finishing in Pwllheli. The event has a strict no-crew policy and requires mandatory kit. Registration includes a specific refund policy and the option for bib transfers with a fee.

The MTC Afanc is a 40-mile ultra marathon along National Cycle Route 8 in Wales. It is also the fifth stage of the challenging six-day CYMRUN event. Runners must be prepared for a cup-free race with strict pace requirements and a full manda..

The Beast of the Beacons offers three trail running distances through the Brecon Beacons National Park. Starting from Talybont on Usk, routes of 10, 20, and 40 miles explore forests, mountains, and reservoirs. It's a canicross-friendly even..

The Route The MTC Y Draig Goch is a 34.8-mile (approximately 35-mile) ultra run. The route starts at the Travelodge in Merthyr Tydfil and follows National Cycle Route 8 all the way to Cardiff. The course then continues to the finish line at..

Run along the wild coastal paths of Pembrokeshire National Park in this trail event. Choose from 10K, half marathon, marathon, or ultra distances on 25 April 2026. Earn points for the season leaderboard and join the afterparty in Little Hav..

UTMB Index