Trail Running Calendar Wales 2026-2027

A charity run at Alyn Waters Country Park on 18 April 2026 with 5 km and 10 km multi terrain courses, chip timing and medals. A children's 1 km fun run is available with on the day registration.

Take on a scenic 34.8 mile one day ultra from Merthyr Tydfil to Barry Island along National Cycle Route 8 on 19 April 2026. Limited to 40 runners, this inaugural edition offers an intimate yet epic challenge with a coastal finish.

Take on a scenic 8.6 mile loop around Trawsfynydd Lake in Snowdonia, a mixed tarmac and trail course with one testing hill and 175 m of ascent. All entry funds support the volunteer South Snowdonia Search and Rescue Team.

Join a guided 14 km trail run in peaceful Penllyn Forest on 19 April 2026, exploring quiet tracks between Bala and Lake Vyrnwy. Expect a led run with scenic stops and friendly company in person.

Coastal trail running from Little Haven on 25 April 2026 with 10K, half, marathon and ultra routes across grass, beach and coastpath. The event offers fully marked courses, electronic timing, on site amenities and post event facilities.

Run the stunning North Wales coastline from Prestatyn to Bangor with 50 km or 100 km options past Great Orme, Conwy Castle and Aber Falls. Flat coastal stretches, inland climbs and full support make this a memorable challenge on 25 April 20..

A 40 mile point to point run along the Monmouthshire & Brecon Canal from Malpas to Brecon Basin on 25 April 2026, with three fully supported checkpoints and a 15 hour time limit for a community-led canal journey.

Choose your distance from 3 km to ultra marathon and tackle a 7 hour time challenge around scenic Dare Valley Country Park. Enjoy lap aid stations, vegan snacks and a finisher medal for anyone completing at least 3 km.

Rasus y Bannau is a series of epic mountain races starting and finishing in Brecon, traversing the Brecon Beacons ridges with marathon and ultra options. Expect big climbs, rugged terrain and stunning views for an unforgettable challenge.

A guided mountain run over the 15 Welsh 3,000 ft peaks in Snowdonia, covering about 30 miles 50 km and 4,000 m of ascent. Guide support, transport to the start and premium food stations are included in the entry fee.

A circular 30 mile ultra through mid Wales on 2 May 2026, starting and finishing at Dol Lys Camp Ground in Llanidloes. The route follows Sarn, Glyndwr’s Way, Severn Way and Wye Valley Walk and reaches the source of the River Severn.

Join Adventure Awaits on 3 May 2026 for a guided recce of the Moelwyns leg of the Paddy Buckley Round from Capel Curig to Nantmoor. Tackle about 35 km and 2,500 m ascent in small groups led by Mountain Leader qualified guides across Snowdon..

An annual off road race at Hood Memorial Hall in Devauden on trails through Chepstow Park Woods, offering 10k, 5k, a 2.4k for ages eight and over, and a 60m junior dash with proceeds supporting local search and rescue.

Run 24 hours along Offa's Dyke National Trail from Prestatyn on May 9 2026. Solo and team entries offer a continuous coastal to countryside challenge with staffed checkpoints and a finishers medal to mark your achievement.

A Welsh trail event offering a 100-mile loop from Abergavenny and a 100 km route from Talgarth to Abergavenny, both following Offa’s Dyke, Cambrian Way and Beacons Way across mountain terrain.

A series of off-road and fell races in the Preseli hills around Maenclochog, Wales, with distances from 10.8 miles to about 52 km. Routes use upland ridges, wooded valleys and varied terrain and have feed stations roughly every five miles.

Challenge the Welsh Three Peaks: Snowdon, Cadair Idris and Pen y Fan across about 17 miles of rugged mountain scenery. Join guided events with transport and support or attempt a self organised challenge on public dates in 2026 and 2027.

Join a guided recce of the Paddy Buckley Nantmoor to Beddgelert Forest leg in Snowdonia on 10 May 2026. Tackle 15 km with 1,580 m of ascent in small guided groups led by Mountain Leader qualified runners for a thrilling mountain run.

Ultra-Trail Snowdonia by UTMB is a UTMB World Series trail running event in Llanberis, North Wales, held 15–17 May 2026, offering races from 25 km to 164 km with substantial elevation gain.

Take on the OTT Trail Marathon or 10 mile race through the Brecon Beacons on 16 May 2026, featuring climbs over Pen Y Fan and sweeping reservoir views. A rugged looped trail challenge with scenic rewards and event buffs and coasters for fin..