Trail Running Calendar Wales 2025-2026

Tackle rugged trails and sweeping views in the Preseli Beast, a trio of off road fell races across the Preseli hills in West Wales visiting Foel Cwmcerwyn and wild valleys. Next event Saturday 9 May 2026, entries open December 2025.

Guided recce of the Paddy Buckley leg from Nantmoor to Beddgelert, 15 km with 1,580 m ascent across beautiful Snowdonia ridges. Small groups led by mountain leaders make this a great chance to test your legs and enjoy epic views.

Ultra Trail Snowdonia by UTMB invites trail runners to tackle technical mountain routes across Snowdonia from 15 to 17 May 2026. Choose from four challenging distances for a world class mountain running experience.

On 16 May 2026 choose the OTT Trail Marathon or 10 Mile in the Brecon Beacons, tackling Pen Y Fan and rugged upland trails. Expect epic views, testing climbs and a friendly finishers vibe with a coaster and buff for everyone.

Take on the True Grit Trail Half Marathon on 16 May 2026 for a gritty 13.1 mile test across quarry sections, forestry trails and the scenic Bedford Park. With 50 places available this muddy, wild route rewards finishers with a bespoke medal..

Take on the Rocky at 50 Run Wales, a relaxed 7 hour time challenge at scenic Dare Valley Country Park where you pick your distance from a 3 km minimum up to 50 km. Finishers earn themed medals and enjoy tasty aid station treats.

Discover the Pembrokeshire Coastal Races, a multi distance trail and ultra running weekend along the dramatic Pembrokeshire Coast Path, finishing with a clifftop finale at Dale Hill Farm Campsite. Choose from multiple distances, enjoy onsit..

Tackle 40 miles of the Wales Coast Path from Porthcawl to Penarth, passing golden beaches, cliffs and Ogmore Castle. No time limits and strong support let you relax and earn a Pegasus medal.

Run the Brecon Beacons at Midnight Mountain Marathon on June 6, 2026, starting in daylight and finishing under the stars, so some may need a torch. Take part in Marathon, Half Marathon or Bergen pack races and earn a medal and a mug of tea.

Tackle the legendary Welsh 3000s on a fully guided mountain run across Snowdonia's 15 peaks, including the dramatic Crib Goch traverse. Expect epic scenery, expert guides and a challenging non competitive adventure for experienced runners.

Experience a guided recce of the iconic Paddy Buckley section across the Snowdon Range from Beddgelert Forest to Llanberis. Run 20 km with 1,900 m of ascent in small groups led by qualified mountain guides for an epic day on the fells.

Ultra Wales 50 is a rugged 51 mile trail through Southern Snowdonia, taking in Cadair Idris, Rhinog Fach and Coed y Brenin forest and estuary vistas. Expect long climbs, technical terrain and epic views on a day of mountain running.

Challenge yourself on the Lake Vyrnwy 10k, a scenic multi terrain trail around the estate with climbs, fast downhills and stunning lake views. Open to runners 16 and over, finishers receive a medal and a lively finish arena with music.

Run the scenic Lake Vyrnwy 10k on 21 June 2026, a mixed terrain trail around the picturesque Llanwddyn estate with climbs and fast stretches. Enjoy a lively finish and a commemorative medal for all finishers.

Join the PIGUM on July 4, 2026 in Abergavenny for a 30 mile mountain trail ultra with about 5,000 feet of climbing, taking in Sugar Loaf and ridge country. Expect fully stocked checkpoints, friendly crew support and no time limit.

Tackle a scenic 27 mile point to point ultra to the source of the Severn, including a four mile climb up Plynlimon. Finish at Mid Wales Arts Centre in Caersws and enjoy a rugged, rewarding mountain to river route.

Tackle the Severn Challenge: a five day, roughly 220 mile multiday ultra along the Severn Way from source to sea, testing navigation and endurance. Enjoy nightly hotel stops, baggage transfers and collectible stage medals that form a jigsaw..

Tackle the MTC Severn Plod Ultra, a 48 mile point to point ultramarathon from Maesmawr to Shrewsbury on 9 July 2026. Enjoy riverside trails, rolling hills and friendly checkpoints with vegan and gluten free options; bring a reusable cup.

Take on Snowdon in Snowdonia in a 24 hour ultra by climbing and descending the peak as many times as you can. Solo UTMB indexed entries and teams of up to five bring big challenges and an event village with on course support.

Explore Eryri on scenic trails and climbs at the Snowdonia Trail Marathon in Llanberis 12 July 2026, with views of Yr Wyddfa. Distances from 10k to a 57 km ultra, a lively event village and a kids fun run raising funds for mountain rescue.