Trail Running Calendar Wales 2026-2027

Take on the Beacons Way Ultra 100km on 25 July 2026, a scenic point to point challenge across the Brecon Beacons from Talybont to Llangadog. Expect 100 km of rugged trails, big climbs and a true mountain adventure with limited entry.

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.

Tackle the iconic Pen Y Fan summit on scenic trail routes with 5 mile and 13 mile options on Sunday 26 July 2026. Enjoy marshalled, chip timed runs with a medal and post race treats in South Wales.

The EDDUM is a 50 mile trail loop around the Epynt Way, starting and finishing at Noyadd Farm Camping near Builth Wells on 1 August 2026. With about 8,559 ft of climb, five stocked checkpoints and no time limit, it offers a supportive, scen..

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

Tackle the Clwydian Hills on Offas Dyke Path with three scenic route options of 16, 24 or 32 miles, suitable for walkers and runners. Enjoy checkpoint refreshments, GPX routes and a finishers certificate.

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 at Park Farm, Llangattock invites trail runners to tackle scenic, rugged routes from 10 km to a 32 mile ultra across the Llangattock Escarpment. Marked courses, aid stations and GPX files ensure gr..

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..

Black Cattle Ultra invites runners to tackle South Wales trails across two distances: 44 miles from Llanthony Priory or 33 miles from Abergavenny, finishing in Cardiff. Expect mountains, woodlands, aid stations and unique finisher 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 RIDUM 2026, a 30 mile circular ridge run around the Rhymney Valley on 5 September, starting at Parc Penalta. Mostly trail with big climbs, sweeping views and staffed checkpoints offering full support.

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.

RunThrough Snowdonia Sea2Sky in Barmouth invites trail runners to tackle coastal paths and climb Cadair Idris with 12 km, 25 km and 54 km options. Expect stunning views, waymarked trails, chip timing and a lively event village.

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

Tackle the iconic Welsh 3000s with expert guides on a non competitive, fully supported 30 mile mountain run across 15 peaks in Snowdonia. Enjoy soaring ridgelines, big climbs and unforgettable camaraderie as you cross the Snowdon, Carneddau..

The Relentless in Bridgend is a tough ultra on a 10 mile loop with limited fields and 50 or 100 mile options. Expect rugged terrain, a well stocked hub and a rewarding, hardcore challenge.