Trail Running calendar near Holyhead 2025-2026

Take on Ultra Wales 50, a rugged 51 mile mountain trail through Southern Snowdonia from Cadair Idris to Coed y Brenin. Expect wild ridgelines, tidal estuary views and a true endurance challenge with limited places.

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.

The Welsh 3000’s Ultra Run will take place in Llanberis on Saturday 27 June 2026. You can run 50 kilometers.

Run the Severn from source to sea in a five day, approximately 220 mile multiday ultra along the Severn Way. Split into five stages with finisher medals that form a jigsaw, this challenging route rewards navigation skills and grit.

Run 27 miles from Plynlimon to Caersws in this scenic MTC Hafren Ultra, climbing to the source of the River Severn before following the riverside path back. Expect remote mountain trails, checkpoint support and stunning Welsh views.

Take on the MTC Severn Plod Ultra, a scenic 48 mile point to point ultramarathon from Mid Wales to Shrewsbury, weaving along the River Severn and Breidden Hills. Expect rugged trails, navigation challenges and great views.

Push your limits on Snowdon in a 24 hour trail endurance challenge, racing to summit and descend as many times as you can within a day. Solo and team relay formats, with a festival village, mountain support and UTMB indexed status.

Experience Snowdonia's wild beauty with trails from 10k to UTMB indexed marathon and ultra, all starting in Llanberis. Festival vibes, live timing and a kids dash add fun while donations on the day support Llanberis Mountain Rescue.

Take on the Welsh 3000 Challenge and traverse Snowdonia's 14 peaks in a spirited guided run or steady walk. Choose the 20 hour challenge or a relaxed 2 day option with expert mountain leaders, limited places and full support on July 18 2026..

Explore Northern Snowdonia over three fully guided days from Capel Curig, looping 47 summits across about 100 km with 9,000 m of ascent. Small groups, experienced leaders and on hill support deliver a bold, steady mountain running challenge..

SkyRun Eryri in Rhyd Ddu, Snowdonia on 15 August 2026 offers four mountain races from a 16 km trail to a 55 km ultra across rugged, technical terrain and stunning peaks. Staffed aid points and bold climbs await adventurous trail runners.

Moel Famau 24 is a timed endurance event in the Clwydian Hills offering 12 hour or 24 hour challenges on a roughly 7 km loop with about 500 m ascent per lap. Solo runners, teams and walkers welcome with on site camping and GPS timing.

Run the iconic 130 mile Leeds and Liverpool Canal race from Liverpool to Leeds, non stop along towpaths and historic locks. Choose supported or unsupported entry and aim to finish within the 40 hour limit on 29 August 2026.

Take on the stunning coastal challenge of the Ring O' Fire Race Series on Anglesey, with the epic Ring O' Fire 130, a new relay format and the Firelighter 50. Entries are open and race services cover maps, checkpoints and bag transfer for a..

Take on the Yr Wyddfa Snowdon Ultra 50, a rugged 45 mile mountain ultramarathon across epic Snowdonia scenery to the Snowdon summit. Based in Betws y Coed on 5 September 2026, the race offers live tracking, checkpoint support and finisher m..

Take on the Yr Wyddfa Snowdon Ultra 100, an epic mountain ultramarathon of around 100 miles starting and finishing in Betws y Coed. Rugged trails, strict kit rules, live GPS tracking and buckle awards await in scenic Snowdonia.

Run the spine of Wales in the legendary Dragon’s Back Race, a six day, 380 km ultra through rugged mountain terrain from Conwy Castle to Cardiff Castle. Choose the full route or shorter stage options to suit your adventure spirit.

Conquer the Welsh 3000s in Snowdonia on a guided mountain run traversing all 15 peaks over 3,000 ft, including Crib Goch. Around 30 miles with 4,000 m ascent, this epic daytrip blends big mountain scenery with expert guides and support.

Brutal Extreme Triathlons in Llanberis, North Wales, combine a Llyn Padarn lake swim, a 28 mile bike loop over Pen y Pass and a mountain finish on Yr Wyddfa via the Llanberis Path. Solo and relay entries welcome for adventurous athletes.