Trail Running Calendar Wales 2025-2026

Join the St David's Day Dragon Run at Dare Valley on 1 March 2026, a relaxed seven hour challenge where you choose how many laps to run. Expect scenic trails, medals from 3 km and tasty goody bags with vegan options.

Hit the trails at Loggerheads Country Park with 5 km, 10 km and Canicross routes over riverside paths, rocky sections and a set of steps to conquer. Organised event with on site facilities and great reviews.

Tackle a scenic but testing 6.8 km fell course around Dolgarrog with 417 m of climb, hosted at Canolfan Porthlwyd. Entry on the day; minimum age 16 makes it perfect for adventurous runners.

Join the Nant Yr Arian Silver Trail Races on 14 March 2026 in the scenic Cambrian Mountains, featuring a trail Half Marathon, 10 km and fun youth races for all ages. Organized by Aberystwyth Athletic Club, the community event supports local..

Canicross on Saturday and trail races on Sunday at the private Brynkinalt Estate in Chirk, with scenic approx 5k and 10k routes over footpaths, grass and climbs. Festival vibes, photos and results add to the experience.

Take on the Beast of the Blacks in the dramatic Black Mountains of Wales on 14 March 2026, choosing 11, 20 or 40 mile trail routes through rugged, scenic terrain. Well supported with checkpoints, vegan refuel, camping and canicross welcome..

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.

Finish the season with the final round of the West Glamorgan XC League at Gnoll Park, Neath on 15 March 2026, a testing 5 mile cross country hosted by Neath Harriers. Club only event with no on the day entries, registration opens 2 February..

Ras yr Aran on 28 March 2026 starts from Llanuwchllyn village hall near Bala and offers a testing 10 mile senior race with about 945 m of ascent across classic North Wales terrain. Teams and juniors welcome with limited entries.

Join the Red Warrior Challenge at Margam Country Park on 22 March 2026 for mixed terrain races offering 5K, 10K and 20K options. Solo runners and canicross teams welcome at this sixth annual celebration of trail fun and challenge.

Join a friendly, inclusive trail challenge at Moel Famau on 28 March 2026. The Piece of String race at Bwlch Penbarras is a surprise 6 to 12 km hill run with canicross first and a medal and chocolate for finishers.

Guided recce of the Glyders from Capel Curig, 15 km with 1,830 m of ascent, led in small groups by Mountain Leader qualified guides. Ideal for fell runners wanting a taste of the Paddy Buckley Round on 28 March 2026.

Join a guided recce of the Ogwen Valley to Capel Curig leg of the Paddy Buckley Round in Snowdonia on 29 March 2026. Tackle 16 km with 1,245 m of gain in small groups led by experienced mountain leaders.

The Aberdyfi Half Marathon will take place in Aberdyfi on Saturday 4 April 2026.

Inaugural BOWUM on 4 April 2026 from Monmouth: a 30 mile circular ultra across the Borderlands of Wales. Mostly trail, with scenic castle views on parts of the Three Castles Walk and Offa's Dyke Path, three manned checkpoints and a finisher..

Run the iconic Pendine Sands on 5 April 2026 with beach out and back routes from 5k to a 32.8 mile ultra. Expect a scenic tidal course with bespoke finisher medals and trophies for top runners.

Discover the Vale Coastal Races on 11 April 2026 with 32.5 mile ultra, 18.5 mile and 10 mile trail options. The Wales Coast Path hugs cliffs, beaches and coves, finishing at Ogmore by Sea with marked notes and checkpoints.

Enjoy stunning coastal, woodland and dune trails at Oxwich Bay with 5 km, 10 km or a self navigated half marathon. Part of the Run The Trails Series, the event is timed and all finishers receive a medal.

Run the Summit 2 Sea off road half marathon along the Offa's Dyke Trail from Moel y Parc to Prestatyn beach. About 13.8 miles of rewarding climbs and a big descent to sea level with stunning views and a real sense of adventure.

Take on the Llangollen Fell Race on 12 April 2026 with three scenic but testing routes from 5 miles to 28 km across the North Wales hills. Race HQ serves tea, coffee and cakes and entry is open in advance or on the day.