Trail Running Calendar Wales 2025-2026

We have found 119 Trailruns in Wales. Check below where and when you can find the races.

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..

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

Take on Yr Wyddfa in Snowdon24, a 24 hour ultra trail challenge from Llanberis where runners aim to climb and descend Snowdon as many times as possible. Solo and team entries welcome, with full support, tracking and stunning mountain scener..

Join the Gower Peninsula Ultra Challenge for a weekend of scenic coastal, moor and woodland trails from Penrice Castle on 18 and 19 July 2026. Distances range from 10 km to 100 km on figure of 8 and loop courses with camping and full suppor..

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..

Tackle the Welsh 3000 Challenge, a guided Snowdonia adventure across the 14 peaks over 3000 feet, from Snowdon to the Carneddau. Pick a one day push or a two day option with expert guides, support stops and unforgettable ridge running.

Tackle the Dragon Coastal Races along the Wales Coast Path with 100, 50 or 30 mile options finishing at the Captain Scott Memorial in Cardiff Bay. Expect sweeping beaches, dunes, coastal trails and inland forests for an epic seaside challen..

Guided three day loop from Capel Curig through northern Snowdonia, about 100 km with 47 summits and roughly 9000 m of ascent across the Welsh 3000s. Places limited to six for an intimate expert led experience.

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 iconic Pen Y Fan with scenic trail routes to the summit, choose 5 miles or 13 miles, and enjoy chip timing, a finisher buff and medal. Well marshalled with post race treats, this is a classic Welsh hill challenge.

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 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.

Beast of Llangattock is a scenic trail run from Park Farm on 22 August 2026 offering distances from 10 km to 51 km. Expect escarpment views, fully marked routes with GPX files, checkpoints and well stocked aid stations.

Tackle scenic Cambrian Way into Cardiff with two point to point ultras of 33 or 44 miles through woodlands and fells to a finish near Castell Coch. Organised by Ridge Runners, the community event offers aid stations and food.

September 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..

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.