Trail Running Calendar Wales 2025-2026

Rasus y Bannau is a tough trail in the Brecon Beacons with marathon and ultra options up to 100K across scenic ridges. Expect marked routes, checkpoints and mountain safety on May 2 and 3 2026.

Experience a 30 mile ultra across wild central Wales, starting and finishing in Llanidloes and taking in Clywedog Reservoir and the source of the River Severn. Staffed checkpoints and no overall time limit make it a welcoming adventure.

Join a guided Paddy Buckley recce across the Moelwyns from Capel Curig to Nantmoor, covering 35 km with 2,500 m of ascent in small groups led by qualified mountain leaders. Ideal for Paddy Buckley preparation or a bold scenic challenge in N..

Epona 100 is a bold 100 mile trail race from Abergavenny that links Offa's Dyke, the Cambrian Way and the Beacons Way across roughly 17,000 ft of ascent. Expect rugged trails, aid station support and a generous 50 hour time limit.

Take on the Tenacious Ten Hour Endurance Challenge, a timed mountain loop at Mynydd Troed in Powys with steep climbs, technical downhills and scenic trails. Solo, pair or four person teams aim to log as many laps in 10 hours.

Take on Offa's Dyke in 24 Hours South, a continuous 24 hour challenge from Prestatyn heading south along the National Trail. Solo runners or teams of 2 to 4 can run or walk, aiming to reach the furthest point south when time elapses.

Preseli Beast is a circular off road fell race from Maenclochog around the Preseli hills, with steep climbs, boggy trails and coastal views. Choose 24 mile or 11 mile routes; entries open December 2025 for May 9 2026.

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.

Event overview Ultra-Trail Snowdonia by UTMB is a UTMB World Series event held in Eryri (Snowdonia), North Wales. The 2026 event is scheduled for 15 - 17 May 2026 and features technical mountain trails across the Eryri area. In 2025 the eve..

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..

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.

Event overview Rocky at 50 Run - Wales is a 7 hour time challenge held at Dare Valley Country Park in Aberdare. Runners may choose their own distance during the event, with a minimum official finish distance of 3 km. Finishers who complete..

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..

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 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.

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 51 mile trail through Southern Snowdonia from Coed y Brenin Visitor Centre, taking in rugged peaks and coastal views. Expect big climbs, wild scenery and a 20 hour cut off for a true mountain challenge.

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.

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.

Tackle the Welsh 3000s in a guided mountain run across 15 peaks in Snowdonia, about 50 km with 4,000 m of ascent. This non competitive traverse on 27 June 2026 includes guides, transport and support for an unforgettable alpine day.