Trail Running calendar near Llanfairpwllgwyngyll 2026-2027

Tackle the Maurice Mullins Ultra in County Wicklow: 50.5 km with 2,280 m of climb over Maulin and Djouce, an extreme, self sufficient Irish Ultra Championship test. Mandatory advanced kit required.

Join a guided recce of the Paddy Buckley leg through the Carneddau from Ogwen Valley to Capel Curig. Cover 16 km and 1,245 m of ascent in small groups with experienced mountain leaders.

Join Winter Hill Runners for Curley's 5km Trail Race on 1 April 2026, a short scenic run around Horwich starting and finishing at the Jolley Crofters pub. A fun off road blast perfect for all abilities and a great excuse for a post run pint..

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.

Summit 2 Sea Offa's Dyke Half Marathon sends runners from the summit of Moel y Parc along the Offa's Dyke Trail to a sea level finish on Prestatyn beach at the Nova Centre. Expect testing climbs, dramatic descent and sweeping coastal views.

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..

Challenge yourself on rugged mountain trails in the Ogwen Valley with 15, 25 and 40 km routes through the Carneddau and Glyderau ranges. Enjoy course support and an event village at Plas y Brenin with food, music and a themed memento.

Enjoy a scenic 10 mile trail around Rivington Village, White Coppice and Wheelton Plantation on 12 April 2026 with chip timing and bespoke finisher medals. Competitive prizes for top and masters age category finishers add extra incentive.

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.

Take on the Chester Ultra 102, a 102 mile trail ultramarathon across Cheshire's Sandstone Trail, Delamere Forest and canal towpaths with start and finish at Ellesmere Port. Limited to 400 runners, 32 hour cut off, ITRA and UTMB points.

Experience the Shropshire Hills at the Shropshire Way 80K Festival, a trail running and walking event with routes through summits, ancient tracks and woodlands. Choose distances from 10 km to 80 km and help fund Grow Cook Learn.

The Wicklow Glacier Lakes (Solo) will take place in Wicklow on Saturday 18 April 2026. You can run 43 kilometers.

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.

Tackle the scenic Bray Head trail with a challenging 7.3 km route climbing 366 m across rugged headlands and sweeping coastal views. Junior runners can enjoy a 3.5 km loop with prize giving and a post race BBQ at the Martello Bar.

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..

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.

Join a guided run of all 15 Welsh 3000s in Snowdonia on 2 May, including Crib Goch. Approx 30 miles and 4,000 m ascent, not a race and fully supported with guides, transport and a support vehicle.