Trail Running calendar near Llanfairpwllgwyngyll 2025-2026

The Moel Famau Festive 'Piece of String' Race is a unique running event held on the last Saturday before Christmas at Bwlch Penbarras. Participants can expect a surprise distance and route, ranging between 6 and 12 kilometers, which will be..

Take on upland trails in the Elan and Claerwen Valleys with an annual 12 and 20 mile walking and running challenge. Parts of the route are waymarked and map reading skills are needed; route maps and GPX files are sent to entrants in advance..

Take on the epic Tour De Yr Wyddfa with 43.5 km and 2327 m ascent around the mountain on 24 January 2026, or opt for a shorter Llanberis to Pen y Pas half, relay or pair entry. Organized by Eryri Harriers for experienced mountain runners.

Run Petzl Night Runner Rivington on Winter Hill at night, the series finale with reflective course signs and radio mast views. Pick 10k or half on rough off road terrain, earn a glow in the dark medal and bring kids for a free 1k.

Tackle scenic trails on the Long Mynd from Carding Mill Valley with a choice of a half marathon or a two lap full marathon. Enjoy well stocked aid stations, friendly marshals and a post race cake competition for all.

Join the Anglezarke Amble, a scenic challenge from Rivington across moorland to Winter Hill and reservoirs. Pick 17 miles or 24 miles where runners may use the longer route, enjoy checkpoints with refreshments and a finisher's certificate.

Tackle the Chester Ultra 50, a 50 mile trail race around Chester weaving through Helsby Hill, Delamere Forest and the Sandstone Trail. Expect varied terrain, live GPS tracking and a supported course with seven checkpoints.

Explore riverside paths and rocky trails at Loggerheads Country Park with 5 km, 5 km canicross and 10 km options on 7 March 2026. Varied terrain, steps and scenic views make this a fun and rewarding challenge for runners and their dogs.

Take on the Granny's Bay Challenge in Lytham St Annes, a scenic 6 hour timed event along the Ribble estuary with coastal views and a flat tarmac course. Only 100 places available and a medal awaits anyone completing one lap.

Enjoy a two day festival at the Brynkinalt Estate with canicross on day one and scenic trail 5k and 10k races on day two. Expect rolling estate trails, great views and a friendly festival vibe.

Run the Nant Yr Arian Silver Trail on 14 March 2026 across scenic Cambrian Mountains, with a half marathon, 10 km and junior races for all ages. Enjoy an event village, charity support and great mountain views.

Take on the Beast of the Blacks in the stunning Black Mountains of Wales with 11, 20 or 40 mile trail options, fully marked and well supported. Canicross friendly and rich with aid stations and great views for all abilities.

Join a guided recce of the Glyders between Llanberis and the Ogwen Valley, covering 15 km with 1,830 m of ascent in Snowdonia. Small groups led by qualified, experienced runners set out from Capel Curig for a rewarding mountain day.

The Moel Famau Easter 'Piece of String' Race is a fun and inclusive outdoor event held at the start of the Easter holidays. Participants can enjoy a scenic run on the region's popular hill, with routes ranging from 6 to 12 kilometers that a..

Join a guided recce of the Paddy Buckley Carneddau leg from Ogwen Valley to Capel Curig on Sunday 29 March 2026, tackling 16 km and 1,245 m of ascent. Run in small groups led by experienced mountain leaders who completed Paddy Buckley Round..

Event overview The Dyfi Half takes place in Aberdyfi on Sat 04 Apr 2026. The event offers a half marathon and a marathon (run as two laps of the half). The half is an Index Race in the UTMB 20K category. The first 20 places are offered at a..

The Summit 2 Sea - Offa's Dyke Half Marathon is a challenging spring race covering approximately 13.8 miles from the summit of Moel y Parc to the coast at Prestatyn. Runners will ascend over 2,450 feet, starting at over 1,300 feet above sea..

The Llangollen Fell Race, hosted by Run Free Fell Runners in North Wales, is a popular annual event featuring two scenic routes: a challenging 17-mile course with 3000ft of elevation and a shorter 10-mile route ascending 1969ft. Both start..

Test yourself at Ogwen Yr Helgi Du in the wild Ogwen Valley of Eryri, a Skyrunning mountain trail challenge offering 15K, 25K and 40K routes across rugged ridgelines and big ascent. Finish at lively Plas y Brenin with full mountain support.

Take on MTC Gelert, a scenic one day 47 mile ultra from Barmouth to Llanidloes along National Cycle Route 8. With just 40 places, strict cutoffs and a bespoke finisher medal, this tough Welsh challenge is not to be missed.