Trail Running calendar near Pwllheli 2026-2027

A 24 hour loop race at OnePlanet Adventure in Llandegla, Wales. Individuals or two person teams run as many 3 mile laps as possible on forest trails with about 144 m elevation per lap.

Guided run over the 15 Welsh 3,000 ft peaks in Snowdonia, covering about 30 miles and 4,000 m ascent with support and catering.

An 8 km mountain race over the three peaks of the Eifl near Pwllheli with about 490 m of ascent. Main race for over 16s with entry on the day £10; junior races are held with a £3 entry.

A partly marked fell race from the Raven Inn, covering 11.25 km with 445 m ascent. Day-entry only at £5, minimum age over 18, and participants should allow about 15 minutes to walk to the start.

A half marathon trail across the Clwydian Hills to the summit of Moel Famau, featuring about 21.4 km and 750 m of ascent. Staggered starts aim for a shared sunset summit and canicross entries are welcome.

Three supported walks of 12, 18 or 26 miles start and finish at Wistanstow Village Hall, following an undulating route through the Shropshire Hills AONB with checkpoints, refreshments and a finish meal.

A 100 mile ultramarathon along the Cambrian Way from Rhayader, Wales, on 12 September 2026, with live GPS tracking, on-route support and a finisher medal.

Defeat Delamere is a forest run on 13 September 2026 at Delamere Forest, Frodsham, offering 5k, 10k, 16k and a junior race. Entries include race packs, finisher medals, t-shirts and post race hydration.

Multi-distance triathlons around Llyn Padarn with a mountain section on Snowdon. Solo and team entries available, with mandatory support crew for double and triple distances and compulsory safety kit for all athletes.

A short beach race along Abersoch beach on 19 September 2026 that mixes hard and soft sand and several groynes. Finishers receive a zinc alloy medal and winners earn cash prizes including a course record bonus.

A 10 km charity trail run around Avondale Forest Park in Rathdrum with run and walk options, marshals, on course water and a post race prizegiving; entry €35.

Ras Pedol Peris is an AL Welsh fell race in Eryri near Llanberis on 19 September 2026, visiting major summits including Snowdon. Two course options are offered: a full 28 km with 2600 m ascent and a half 14 km with 1350 m ascent.

A 15.5 km fell race with 840 m of climb near Glyntawe. The route includes exposed ridges and technical sections so advanced navigation and mountain skills are required.

A scenic, hilly trail half marathon in the Cothi valley near Pumsaint, offering a 13 mile race, a 6.5 mile alternative and a kids race, based at Pumsaint Village Hall on 20 September 2026.

A multi day continuous 286 km mountain race across Wales with over 11,000 metres of ascent. Enter solo or in teams of three or six; the course links Llanberis, Yr Wyddfa, Cadair Idris and Pen y Fan with five supported checkpoints.

Trail races from 10K to 80K starting on Bray Seafront on 26 September 2026, across coastal paths, forests and the Wicklow Mountains.

A Category B Medium fell run of 11.6 km with 425 m ascent around Glyn Ceiriog on 26 September 2026. Entry is £6 on the day and runners should expect to carry WFRA recommended kit while refreshments and changing facilities are available.

A fully waymarked sea to summit ultramarathon from Caernarfon Castle to Rhyd Ddu, covering 29 miles with about 5600 ft of ascent. Professional mountain safety and medical teams support runners and finisher medals form part of the Sea to Sum..

Trail runs at Delamere Forest on 27 September 2026 offer a two-lap half marathon and a one-lap 10K over technical wooded trails, with chip timing, aid stations, canicross options, and eco-minded event measures.

A fell race near Criggion covering 11.5 km with 790 m of ascent on a partially marked course that requires navigational skills. Entry is £8 and teams may enter free of charge.