Trail Running calendar near Llanfairpwllgwyngyll 2026-2027

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..

Experience high mountain trails in Ogwen at Yr Helgi Du 2026, a skyrunning style race from Plas y Brenin through the Ogwen Valley and Carneddau. Choose 15 km, 25 km or 40 km routes and enjoy a lively race village, support and chip timing.

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.

Take on the Shropshire Way 80K Festival in the scenic Shropshire Hills, with route choices from 10K to 80K for walkers and runners. Support Grow Cook Learn while enjoying hilly trails, local food at checkpoints and a lively festival vibe.

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.

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 30 mile run across Snowdonia's 15 Welsh 3000s, tackling iconic ridges like Crib Goch. This non competitive, supported outing offers qualified mountain guides, a support vehicle and premium food stations.

Tackle the HOWUM 30 mile ultra on 2 May 2026 around Llanidloes, a scenic trail route past Clywedog Reservoir and the source of the River Severn. With fully stocked checkpoints, no time limit and a Pegasus medal at the finish, it is a suppor..

Run the May the Fourth trail races on 2 May 2026 across scenic Long Mynd from Carding Mill Valley, with half marathon and full marathon options. Limited entries and a virtual option mean great views for hill and trail fans.

Join Adventure Awaits on 3 May 2026 for a guided recce of the Moelwyns leg of the Paddy Buckley Round from Capel Curig to Nantmoor. Tackle about 35 km and 2,500 m ascent in small groups led by Mountain Leader qualified guides across Snowdon..

Join the Worsley Woods Ladies 5 Mile Trail Race on Sunday 3 May 2026 for a scenic, women only 5 mile run through woodlands starting from Beesley Green Community Centre. Enjoy a friendly, club atmosphere hosted by Swinton Running Club.