Trail Running calendar near Morfa Nefyn 2025-2026

The Aberdyfi Half Marathon will take place in Aberdyfi on Saturday 4 April 2026.

Run the Summit 2 Sea off road half marathon along the Offa's Dyke Trail from Moel y Parc to Prestatyn beach. About 13.8 miles of rewarding climbs and a big descent to sea level with stunning views and a real sense of adventure.

Long course: Challenge yourself on the 28 km Llangollen fell race across the rolling hills of North Wales, featuring demanding climbs and stunning views. Based at Llangollen Leisure Centre, entries open in advance and on the day. Short cou..

Run the rugged Carneddau and Glyderau ridges in Ogwen Valley at Plas y Brenin on 12 April 2026. Choose 15K, 25K or 40K routes across technical mountain terrain with full support and a lively event village.

Take on the inaugural MTC Gelert 47 mile ultra from Barmouth to Llanidloes on 16 April 2026, the third day of the MTC CYMRUN end to end. Limited field, bespoke medal for all finishers and real time tracking for supporters.

Chester Ultra 100 is a 102 mile trail challenge around Chester on Saturday 18 April 2026, linking canals, the Sandstone Trail and Delamere Forest. Expect rugged scenery, live GPS tracking and buckle awards for finishers.

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.

Run the 10k Red Squirrel trail through Ainsdale National Nature Reserve, across wooded paths and dune climbs with a chance to spot wildlife. Proceeds support Southport Stronger Together.

Run the stunning North Wales coast from Prestatyn to Bangor in the North Wales 50km and 100km ultramarathons on 25 April 2026. Expect flat coastal miles, inland hills and iconic sights like Conwy Castle and the Great Orme.

Take on a guided, non competitive traverse of Snowdonia's 15 Welsh 3000s, covering roughly 30 miles with about 4,000 m of ascent across Snowdon, Carneddau and Glyderau. Expert mountain guides, support vehicle and food stations included.

Experience the HOWUM 2026, a scenic 30 mile ultra through the Heart of Wales starting and finishing at Dol Lys Camp Ground in Llanidloes with no time limits. Enjoy trail views, three staffed checkpoints and a Pegasus medal at the finish.

Join a guided recce of the Moelwyns leg of the legendary Paddy Buckley Round in Snowdonia, tackling a rugged 35 km route with big climbs. Small guided groups from experienced Paddy Buckley finishers offer route tips and technical support.

Tackle the Offa's Dyke ULTRA, a 24 hour southbound run from Prestatyn along the iconic National Trail on 9 and 10 May 2026, with solo and team entries plus GPS tracking and chip timing. Support crew and vehicle required.

Explore the wild Preseli hills in West Wales up to Foel Cwmcerwyn on trail, fell and boggy terrain. Choose the shorter Beast Bach or the full Preseli Beast for a scenic, tough off road challenge with post race food and evening social.

9 May 2026 in Church Stretton the Apocalypse Ultramarathon offers 10 to 50 mile options across four rugged loops totalling about 50 miles and 10,000 ft of ascent. Single HQ support and on site food keep runners moving but entries are full.

Join the Paddy Buckley recce fun run in Snowdonia on 10 May 2026, tackling 15 km with 1,580 m of ascent. Run in small guided groups led by mountain leaders and enjoy epic scenery plus practical route tips.

Take on the Caradoc Classic, a scenic 3.5 miles fell race from Church Stretton climbing about 268 m. Part of the local Summer Series, this friendly community event includes junior races and on the day entries.

Run the dramatic mountain trails of Eryri Snowdonia as Ultra Trail Snowdonia by UTMB returns to Llanberis from 15 to 17 May 2026, part of the UTMB World Series. Distances span a challenging 25 km up to an epic 164 km, welcoming ambitious ne..

Run the Shropshire Historic 50K from Telford Town Park to The Quarry Park in Shrewsbury on 16 May 2026, via Ironbridge, Buildwas Abbey and Wroxeter Roman City. Officially measured with chip timing, nutrition stations and free photos.