Trail Running Calendar Wales 2025-2026

We have found 120 Trailruns in Wales. Check below where and when you can find the races.

Take on the scenic 48 mile MTC Severn Plod Ultra from Mid Wales to Shrewsbury on 9 July 2026, celebrating its 10th edition with challenging trails and sweeping views. All finishers earn a bespoke medal and starters get a free MTC visor.

Run through the wild beauty of Eryri at the Snowdonia Trail Marathon in Llanberis, with distances from 10K to a 57 km ultra offering panoramic climbs and rugged trails. Enjoy a lively event village, chip timing, and support on course.

UTMB Index

Challenge Snowdon in a 24 hour ultra trail from Llanberis, climbing and descending Yr Wyddfa as many times as you can in a day. Solo or team relay options, full event village support and UTMB indexing make it a scenic, relentless test.

Run across the wild Gower Peninsula from Penrice Castle basecamp with distances from 10 to 100 km, including a figure of eight ultra and weekend camping. Expect on course support, GPS tracking, and finisher goodies.

UTMB Index

Take on coastal trails at Merthyr Mawr Warren National Nature Reserve on 18 July 2026 with 12K, 40K and family races like Bunny and Toddler Dash. Expect sand dune descents, river crossings and dramatic cliffside views for a true Welsh trail..

Take on the Welsh 3000 Challenge and aim for all 14 Snowdonia peaks in one epic guided route from Pen Y Pass. Choose a 20 hour push or a two day option with qualified leaders, support stops and run or walk paces.

Take on the Dragon Coastal Races along the Wales Coast Path with 30, 50 or 100 mile point to point courses finishing in Cardiff Bay. Scenic coastal trails, dunes and forests, fully waymarked with live GPS tracking and checkpoints for a supp..

Take on the Paddy Buckley Round, a fully supported, guided three day loop in Snowdonia visiting 47 summits across 100 km. Small groups return to Capel Curig daily with on route refuelling to keep the mountain challenge manageable.

Tackle 100 km across the Brecon Beacons on an epic route taking in Pen y Fan and the Carmarthen Fans with roughly 3178 m of ascent. A rugged self navigation ultra with just 250 places and a 24 hour cut off.

Take on the Beacons Way Ultra 100 Mile, a stunning 100 mile trail through the Brecon Beacons with over 6,000 m of climbing and 10 checkpoints. Enjoy wild scenery, live GPS tracking and a memorable finisher buckle for your achievement.

Ultra X Wales brings runners to the stunning Brecon Beacons near Abergavenny on 25 and 26 July 2026, offering distances from 12 km up to 110 km. Well supported aid stations, lenient cut offs and on site camping make it a bold but welcoming..

UTMB Index

Run or walk as far as you like in the 7 hour Ooops I Ran It Again event at scenic Dare Valley Country Park, from 3 km to ultra distances. Finishers earn themed medals and distance pins, with aid stations, vegan snacks and free parking, and..

Take on the Pen Y Fan Challenge on 26 July 2026, a scenic trail run to the summit of the highest peak in South Wales with 5 or 13 mile options. Entries include a buff, medal, chip timing, marshalled route and post race refreshments for a re..

August 2026

Tackle EDDUM 2026, a 50 mile loop along the Epynt Way around Sennybridge Training Area, framed by the Brecon Beacons and Cambrian Mountains. No time limit, fully stocked checkpoints and crew support.

SkyRun Eryri brings classic Snowdonia skyrunning to Rhyd Ddu with four mountain trail races from a technical 55 km ultra to shorter scenic challenges. Expect rocky scrambles, grassy ridges and towering Welsh 3000s views.

The Beast of Llangattock on 22 August 2026 is a scenic trail running challenge around the Llangattock Escarpment with panoramic views of the Black Mountains, Sugar Loaf and the Brecon Beacons. Routes from 10 km to 51 km suit all levels with..

Take on the Black Cattle Ultra on Saturday 29 August 2026, a scenic trail running from the Black Mountains into Cardiff, finishing near Castell Coch. Choose between 71K or 53K routes through mountains, wooded vales and villages.

September 2026

Run Anglesey's rugged coast with Ring O' Fire 130, a 130 mile three day circumnavigation of the island with cliffs, beaches and about 4,000 m of ascent. Or try the Firelighter 50, a near 47 mile coastal challenge finishing in Moelfre.

Run a scenic 30 mile ultra around the Rhymney Valley Ridgeway in South East Wales, with ridge top views, trails and woodland. Staffed checkpoints, no time limits and post race care make this a welcoming challenge.

Tackle the epic 102 mile Yr Wyddfa Snowdon Ultra, a self navigation race through Snowdonia on 5 September 2026 with a 42 hour limit. Mountain experience and solid map skills are required for this tough, remote challenge.