Trail Running calendar near Llanfairpwllgwyngyll 2025-2026

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.

The Phoenix Running - Stretford will take place in Stretford on Saturday 28 March 2026. You can run 3 miles.

Join a guided recce of the Ogwen Valley to Capel Curig leg of the Paddy Buckley Round in Snowdonia on 29 March 2026. Tackle 16 km with 1,245 m of gain in small groups led by experienced mountain leaders.

Join Curley's 5 km trail race in Horwich on 1 April 2026 for a lively off road challenge hosted by Winter Hill Runners. Start and registration at the Jolley Crofters Public House, perfect for local runners seeking a scenic spring outing.

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.

Ogwen | Yr Helgi Du 2026 is a skyrunning style mountain trail race on April 12 at Plas y Brenin, Capel Curig, weaving technical ridges across the Carneddau and Glyderau. Expect tough terrain, stunning views and a lively event village.

Run the Rivington 10 miles Trail Challenge on 12 April 2026, a scenic chip timed route around Rivington Village, White Coppice and Wheelton plantation. Popular and often sold out, finishers earn bespoke medals and top prize categories.

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.

Run or walk the Shropshire Way 80K Festival on 18 April 2026 from the Shropshire Hills Discovery Centre, enjoying hilly trails through peaks, Iron Age hillforts and woodlands. Distances 10 km to 80 km and proceeds support Grow Cook Learn.

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.

Run Delamere Forest on 26 April 2026, choosing 21k or 42k over undulating woodland trails that pass Blakemere Moss, the Sandstone Trail and Old Pale Hill. Enjoy marked kilometres, aid stations and classic forest scenery.

A guided mountain run across all 15 Welsh 3000 ft peaks in Snowdonia, roughly 30 miles with 4,000 m of climbing. Experienced guides and on route support make this a bold, scenic challenge for seasoned trail runners.

Take on the HOWUM 2026 30 mile trail ultra around Llanidloes, following scenic paths past reservoirs, the Severn source and historic waymarked trails. With no time limit and three supported checkpoints this is a wild friendly challenge.