Trail Running Calendar Wales 2026-2027

Experience an off road running event in the Clwydian Range featuring marathon, half marathon, and 10k distances. Take on hilly trails with sustainable local support and options for canicross runners.

An off-road 10K along the Llangollen Canal on 10 May 2026, based at Llangollen Leisure Centre. The event also includes a kids 1 mile; entries include a Bespoke finisher medal and have specific age, refund and image use rules.

Ultra-Trail Snowdonia by UTMB is a UTMB World Series trail running event in Llanberis, North Wales from 15 to 17 May 2026. It offers multiple mountain race distances from 25 km to 163 km with significant elevation gain.

A mountain trail marathon of about 26.2 miles and a separate 10 mile race start and finish at Parkwood Dolygaer in the Brecon Beacons. The marathon has three checkpoints and a six hour cutoff at 20.5 miles; compulsory kit is required for bo..

A community Pretty Muddy 5k obstacle course in Singleton Park on 16 May 2026, with mixed grass and path terrain, staggered wave starts and accessibility provisions including sunflower wristbands and BSL stage content.

A point to point race of approximately 5 miles along river paths and a canal towpath on 17 May 2026, organised by Maldwyn Harriers. Entry fees vary by category and entries may be taken on the day.

A multi terrain 10 km run on 22 May 2026 through Parc Dinefwr, Parc Penlan and Parc le Conquet with a 90 minute cut off; entry includes cheese and wine for finishers and an optional event T shirt.

A 26.2 mile trail marathon near Bridgend with mixed terrain, quarry and forestry sections, and a route past the Bedford ironworks. Places are limited to 60 runners and the course is marked with GPX and five feed stations.

A themed Time Challenge at Dare Valley Country Park on 30 May 2026 celebrating 50 years of Rocky, with distances from 3 km up to ultramarathon and themed medals, pins, aid stations and free parking.

Join the Manta Ray Run at Parc Taf Bargoed for a timed, multi lap event with flexible rock up and run starts and distances from 5 km to ultra. Enjoy scenic trails, cake at the finish and digital results.

An approx 9 km multi terrain loop around Llys y Fran Reservoir organised by TROTs, featuring marshals, a water stop, a tail runner and a bespoke medal. Minimum age 15 and refunds are allowed up to seven days before the event.

Deestriders ORGP Race 1 is a multi terrain, approximately four mile race on 4 June 2026 at Care & Repair NE Wales in Shotton. Entry is £10 or £8 for affiliated club members and the field is limited to 200.

A trail and ultra running festival on the Pembrokeshire coast from 5 to 7 June 2026 at Dale Hill Farm Campsite. Races of 100, 50, 50k and 22 miles include coach transport, camping options and GPS tracker hire.

Experience a 40 mile ultra marathon along the stunning Wales Coast Path from Porthcawl to Penarth. This supported journey features dramatic cliffs, ancient castles, and scenic coastal trails with no strict time limits.

Trail races in the Brecon Beacons on June 6 2026, offering marathon and half marathon options plus weighted bergen editions. Runners move from daylight into night and may need a torch.

A marathon along the North Wales Pilgrim Trail at Tir Gwyn, Pwllheli on 6 June 2026. Entry is for age 18 and over and costs £64 plus a 6% booking fee; entries close 30 May 2026.

A long-standing Green Events race in Llanwrtyd Wells where runners compete directly with horses over mountainous terrain, timed electronically. The event has enforced cut-offs and an escalating jackpot for any runner who beats the first hor..

A guided recce of the Paddy Buckley leg from Beddgelert Forest to Llanberis over the Snowdon Range, covering 20 km and 1,900 m of ascent. Small groups led by Mountain Leader qualified runners, minimum age 18, entry fee £65.

Experience 51 miles of mountain and trail racing through Southern Snowdonia and Coed-y-Brenin forest. Technical terrain includes ascents of Cadair Idris and Rhinog Fach with full GPS tracking and checkpoint support.

A multi-terrain trail race of about 10 km around the Lake Vyrnwy estate in Llanwddyn, featuring mixed surfaces, climbs and lake views; finishers receive a medal and there are water stations and paid parking near the start.