Trail Running Calendar Wales 2026-2027

Take on the Beacons Way Ultra 100 Mile, a bold test across the Brecon Beacons with rugged peaks, big climbs and stunning views. Limited to 250 runners with a 40 hour cut off, this is a true mountain endurance challenge.

Ultra X Wales in the Brecon Beacons on 25 and 26 July 2026 offers trail races from 12 km to 110 km with aid stations along the routes. Camp on site, benefit from UTMB index status and GPS tracking for the 110 km, and earn a finisher medal.

Join Ooops I Ran It Again at Dare Valley Country Park on 25 July 2026 for a fun themed seven hour time challenge where you can choose distances from 3 km to ultras. Expect medals, goody bags, on course refreshments and scenic park trails.

Take on the Pen Y Fan Challenge, a scenic trail race to the summit of Pen Y Fan in South Wales on 26 July 2026. Choose a 5 mile or 13 mile route, enjoy marshalled trails, a finisher medal and on course refreshments.

Take on EDDUM 2026 on August 1, a 50 mile loop along the Epynt Way around the Sennybridge military training area, mostly trails with plenty of climbing. The supported route features five staffed checkpoints, no time limit and a relaxed fini..

The Brecon Beacons 51k will take place in Talybont-on-Usk on Saturday 8 August 2026.

Explore the Clwydian Hills and Offa's Dyke on 16, 24 or 32 mile routes from Cilcain Village Hall on 8 August 2026. Challenging climbs, refreshment stops and sweeping views make this LDWA run or walk a rewarding summer adventure.

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.

Run the Beast of Llangattock, a marked trail through Brecon Beacons views from canal towpaths to moorland and waterfalls. Distances range from 10 km to a 32 mile ultra with GPX routes and aid stations.

Beast of Bryn invites runners to tackle scenic but tough mountain trails in Afan Forest Park near Port Talbot, with 6.5 mile and 10.5 mile options plus a one mile fun run for youngsters. Organized by local charity BRAG, proceeds support com..

Run the scenic Cambrian Way with 44 miles from Llanthony Priory to Cardiff or a rugged 33 miles from Abergavenny. Organised by Ridge Runners, this community ultra features well stocked aid and local finishers mementos.

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.

Take on the RIDUM 30 mile ultra on September 5, 2026 exploring ridge top trails around the Rhymney Valley with big climbs and mostly off road terrain. Well stocked checkpoints and post race care await finishers.

Take on the Yr Wyddfa Snowdon Ultra, an epic circa 100 mile mountain race across Snowdonia Eryri with about 5,172 m of ascent and a 42 hour cutoff. Limited to 250 runners, this self navigation ultra rewards seasoned trail and mountain runne..

Tackle a rugged 45 mile mountain ultra around Snowdonia's iconic peaks, starting and finishing in Betws y Coed. Expect big climbs, dramatic scenery and a tight 500 runner field for a true mountain running test.

The Montane Dragon's Back Race will take place in Conwy from Monday 7 September 2026 to Friday 11 September 2026.

On 12 September 2026 join a guided mountain run across the 15 Welsh peaks above 3,000 ft in Snowdonia, including the iconic Crib Goch. It is not a race, covers about 30 miles and is led by qualified mountain leaders for stunning ridge runni..

Take on The Relentless on 18 September 2026 at Bridgend Miniature Railway. Tackle a tough 10 mile loop for 50 mile or 100 mile finishes with big elevation, full aid and crew access, and bespoke finisher prizes.

Brutal Extreme Triathlons in Llanberis, North Wales challenge athletes with a lake swim, tough open road bike laps and a final climb of Snowdon via the Llanberis Path. Enter solo or as a relay team and test your limits on wild terrain.

Run the scenic 13.1 mile 361° Abersoch Half Marathon on the Llyn Peninsula, finishing with a final kilometre across Abersoch Beach. Enjoy music, massages, beach bar and prizes plus medals and tech tees for all finishers.