Trail Running calendar near Pembrey 2025-2026

We have found 140 Trailruns within 80 miles of Pembrey. See below where and when you can find the races.

The Cardiff Trail 10k is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for January 18, 2026, this newly introduced race offers participants a unique blend of competition and natural beauty, making it..

Take on the Riverbank Rollick a scenic 9.6 mile off road trail run along riverside paths, through woodland and a stream crossing. Earn a metal finisher medal that links to two other Thornbury Running Club races for a collectable series.

Saturn Running's "Spice Up Your Run - Wales" is a fun and inclusive running event held at Dare Valley Country Park in Aberdare. Participants can walk or run a minimum of 3km, with options to complete laps of approximately 7km each, allowing..

Experience wintry Dartmoor on Pagan Trails, a midwinter run from Chagford that passes stone circles and ancient sites. Choose a demanding marathon of 28 miles and 1500 m ascent or a half of 14 miles and 700 m ascent and bring winter kit.

Join the social, self navigated Blackdown Beast, a scenic cross country run from Dunkeswell Airfield supporting Macmillan Cancer Support. Expect village hall and pub refreshment stops, stunning hills and 10 or 16 mile options.

Run the Pagan Midwinter Marathon or Half on 24 January 2026 from Chagford across north Dartmoor, visiting stone circles and ancient pagan sites. Expect raw midwinter terrain and big climbs for a memorable off road challenge.

February 2026

Take on Trails & Tarmac Backyard Ultra near Crickhowell in the Black Mountains on a scenic 4.2 mile loop that mixes trail and tarmac. Run one hour loops until only one remains; hit 32 miles for a medal and go for the winner's trophy.

Take on the Dartmoor Winter Traverse, a fully supported challenge across remote moorland from south to north, open to runners and walkers. Choose 30 km or 50 km and enjoy guided navigation and course support through dramatic winter terrain.

The Ironwood Challenge, organized by Nailsea Running Club, is a trail race near Long Ashton, North Somerset. The six-mile course runs through woodland, fields and forest, with sections that are often muddy. It is fully marked and marshalled..

March 2026

The Brecon to Cardiff Classic is a 70-kilometer ultra running race following the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Cardiff. Now in its 12th year, this fully marked, one-way race features diverse landscapes..

The St David's Day Dragon Run 2026, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This 7-hour time challenge allows participants to run distances of their choice, starting from a minimum..

Brecon to Cardiff Xtreme is a winter mountain ultramarathon, a 75-km linear challenge from Brecon to Cardiff (about 47 miles) with roughly 2,700–2,800 m of ascent, including 11 summits such as Pen y Fan, Cribyn and Fan y Big. The Taff Xtrem..

Tackle the Winter GMU around Bristol on the Community Forest Path with 45 mile and 30 mile options on scenic self guided routes. Chip timing, well stocked checkpoints and a technical finishers T shirt and bespoke medal await.

Take on the Hateful 8 Ultra Loop, a 9 mile loop at Bridgend where runners log as many laps as possible in an 8 hour challenge. Mixed terrain with steep climbs and technical forestry descents makes every loop a true test of grit and strategy..

Run the Nant Yr Arian Silver Trail on 14 March 2026 across scenic Cambrian Mountains, with a half marathon, 10 km and junior races for all ages. Enjoy an event village, charity support and great mountain views.

Take on the Beast of the Blacks in the stunning Black Mountains of Wales with 11, 20 or 40 mile trail options, fully marked and well supported. Canicross friendly and rich with aid stations and great views for all abilities.

Join the Dashing Dog Charity Run at Dare Valley Country Park for a 7 hour time challenge where you choose how many laps to run. Support local dog rehoming charities and enjoy scenic trails, medals and on course aid.

Join the 6th Red Warrior at Margam Country Park on 22 March 2026 for challenging multi terrain races. Choose 5K, 10K or 20K with separate categories for canicross and solo runners and grab a 10% early bird discount with code RWEB.

Run a scenic loop through the Forest of Dean on well maintained trails with gentle climbs. Officially measured and fully marshalled, this spring half hosts the British Trail Running Championships.

The Way of the Dead is a challenging 50k running event traversing Dartmoor from east to west, organized by Wild Running. Participants can compete solo or in pairs, with live GPS tracking and three checkpoints that also serve as feed station..