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.

A fully guided and supported 42.4 mile trail run from Pentrefoelas to Bodfari with 5,325 ft of ascent, six staffed sections with checkpoints, food and first aid, and a wooden medal and certificate on completion.

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..

Ogwen | Yr Helgi Du is a mountain Skyrunning event in Eryri offering 40K, 25k and 15K routes through the Carneddau with marked trails, Mountain Leader support and an event village at Plas y Brenin.

Run the scenic Rivington 10m Trail Challenge on 12 April 2026, a chip timed 10 mile route through Rivington Village and Wheelton plantation. Popular and often sold out, the race offers bespoke finisher medals and prizes across age groups.

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.

Tackle the Red Squirrel 10K across Ainsdale Sand Dunes for a scenic trail challenge through dunes, woods and wildlife, finishing with a climb to the highest peak. Organized by Southport Strollers, with proceeds supporting Southport Stronger..

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..

Tackle scenic trails at Delamere Forest on 26 April 2026 with 21K or 42K routes that loop past Blakemere Moss and climb Old Pale Hill for wide Cheshire views. Enjoy undulating terrain, marshals, aid stations and a welcoming event village.

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.

A circular 30 mile ultra through mid Wales on 2 May 2026, starting and finishing at Dol Lys Camp Ground in Llanidloes. The route follows Sarn, Glyndwr’s Way, Severn Way and Wye Valley Walk and reaches the source of the River Severn.

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.