Trail Running calendar near Ystumtuen 2025-2026

We have found 200 Trailruns within 80 miles of Ystumtuen. See below where and when you can find the races.

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.

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.

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.

Apocalypse Ultramarathon in Church Stretton on 9 May 2026 offers 10 to 50 mile options across four scenic but brutal loops. With a 16 hour limit, rolling food at HQ and limited places this is a bold endurance challenge.

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 returns to Eryri in mid May, featuring technical mountain trails and international fields. Four race distances from 25 km to 164 km offer a classic Snowdonia challenge.

UTMB Index

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..

Join the Shindig in the Shire on 16 May 2026 for 8, 16 or 26.2 mile routes through the iconic Ironbridge Gorge. Tackle rewarding climbs then celebrate at the pub with ales, food and finisher bling.

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..

June 2026

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.

Join the Divorce Day Defib Fundraiser for a fun, scenic run from Coalport Village Hall along the Silkin Way and over Ironbridge. Choose 8, 16 or marathon distances and embrace fancy dress with top hats and tiaras to boost spirits.

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.

Join the Gnosall 10K for a challenging 11.2 km undulating multi terrain route along canal towpath, woodland and boardwalk, with chip timing and a technical tee for all finishers. Bring the family for a fun run with medals, bouncy castle and..

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.

Tackle 15 miles of the historic Offa's Dyke path around Hay on Wye in a scenic and challenging trail race. Friendly atmosphere and relay option make it perfect for solo runners or teams seeking a memorable summer run.

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.