Trail Running calendar near Llanfairpwllgwyngyll 2026-2027

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.

SheUltra is a 50 km ultrarun on Saturday 11 April 2026 in Pwllheli, UK, with a strict no-crew and no-pacers policy. The event has specific age, medical, kit, and refund rules, and recommends third-party insurance.

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.

A chip timed 10 mile trail run starting and finishing at Rivington Village, following a loop via White Coppice and Wheelton Plantation. Organised by Trail Blazing Events, it offers bespoke finisher medals and prizes across age 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.

A 102 mile trail ultramarathon around Chester on 18 April 2026 with 1590 m of ascent, 12 checkpoints and a 32 hour cut off. TRA licensed event with live GPS tracking and entry fees from £207.

A multi-distance trail festival in the Shropshire Hills on 18 April 2026, featuring routes from 10 km to 80 km and local food at checkpoints. The event raises funds for Grow Cook Learn to support an education programme about how food is gro..

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

A charity run at Alyn Waters Country Park on 18 April 2026 with 5 km and 10 km multi terrain courses, chip timing and medals. A children's 1 km fun run is available with on the day registration.

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.

A 10 km trail race on 19 April 2026 through the Ainsdale Sand Dunes, the Red Squirrel 10 km follows wooded paths and ends with an ascent of the highest dune. Organised by Southport Strollers with Natural England, proceeds support Southport..

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..

Trail races of 21 km and 42 km take place in Delamere Forest on 26 April 2026. Routes pass Blakemere Moss and the Sandstone Trail with marked kilometres, aid stations, parking, and mandatory kit requirements.

A guided mountain run over the 15 Welsh 3,000 ft peaks in Snowdonia, covering about 30 miles 50 km and 4,000 m of ascent. Guide support, transport to the start and premium food stations are included in the entry fee.

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.