Trail Running calendar near Dyffryn Nantlle 2025-2026

Join the Granny's Bay Challenge, a 6 hour timed run along the flat Ribble estuary path in Lytham St Annes, limited to 100 entrants. Enjoy coastal views from the Fylde Spitfire Memorial start and earn a medal after just one lap.

Join the Nant Yr Arian Silver Trail Races on 14 March 2026 in the scenic Cambrian Mountains, featuring a trail Half Marathon, 10 km and fun youth races for all ages. Organized by Aberystwyth Athletic Club, the community event supports local..

Canicross on Saturday and trail races on Sunday at the private Brynkinalt Estate in Chirk, with scenic approx 5k and 10k routes over footpaths, grass and climbs. Festival vibes, photos and results add to the experience.

Take on the Black Mountains at the Beast of the Blacks on 14 March 2026, choosing 17 km, 32.5 km or 65 km routes. Fully marked trails, stocked checkpoints, camping and canicross friendly support make it a must for trail runners.

Ras yr Aran on 28 March 2026 starts from Llanuwchllyn village hall near Bala and offers a testing 10 mile senior race with about 945 m of ascent across classic North Wales terrain. Teams and juniors welcome with limited entries.

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..

Take on the finale of the Shropshire Winter Series at Ercall Wood, a tough 8.8 km fell race climbing 519 m on scenic Ercall Hill. Pre entry or on the day entries accepted and junior races run for ages 12 to 17.

Curley's 5km Trail Race in Horwich, organised by Winter Hill Runners around the Jolley Crofters pub, has been cancelled for 1 April 2026. Check the organiser for updates and future trail events.

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.

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..

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.

Join the Shropshire Way 80K Festival on 18 April 2026 in the Shropshire Hills for one day of trail running and walking across hill summits, ancient woodland and market towns. Choose routes from 10K to 80K, enjoy local food on course and sup..

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.