Trail Running calendar near Holyhead 2025-2026

Join a friendly, inclusive trail challenge at Moel Famau on 28 March 2026. The Piece of String race at Bwlch Penbarras is a surprise 6 to 12 km hill run with canicross first and a medal and chocolate for finishers.

Guided recce of the Glyders from Capel Curig, 15 km with 1,830 m of ascent, led in small groups by Mountain Leader qualified guides. Ideal for fell runners wanting a taste of the Paddy Buckley Round on 28 March 2026.

Join a guided recce of the iconic Paddy Buckley leg from Ogwen Valley to Capel Curig in Snowdonia, covering 16 km with 1,245 m of ascent. Small groups led by experienced mountain leaders deliver a scenic, challenging day on classic Welsh pe..

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

The Manx Mountain Marathon will take place in Ramsey on Saturday 4 April 2026. You can run 50 kilometers.

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.

Take on the Llangollen Fell Race on 12 April 2026 with three scenic but testing routes from 5 miles to 28 km across the North Wales hills. Race HQ serves tea, coffee and cakes and entry is open in advance or on the day.

Take on a Skyrunning challenge through the wild Ogwen Valley with technical trails, dramatic ridgelines and sweeping mountain views. Pick 15 km, 25 km or 40 km and enjoy a lively event village at Plas y Brenin with music, food and bilingual..

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.

The Slieuwhallian will take place in Saint John's on Saturday 9 May 2026. You can run 3 miles.

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.