Trail Running calendar near Llanberis 2026-2027

We have found 193 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.

A non stop 130 mile canal towpath race from Liverpool to Leeds run under UK Athletics rules. Open to runners aged 20 and over, the event has a 40 hour limit and a limited number of unsupported entries with regular feed points.

A hill race near Porthmadog covering 7.2 km with 564 m of ascent, partially marked and requiring navigational skills and experience. Entry is day only for £5 and teams may enter free.

A 7.4 km mountain race with 380 m ascent in the Clwydian Range, held during the Cilcain Show. It includes senior inter-regional and North Wales regional championships, junior races with free entry, and on-site facilities.

September 2026

Experience an endurance challenge along the coast with solo and relay options ranging from 50 to 130 miles. This multi day event features strictly timed checkpoints and self navigation in a stunning natural environment.

A multi-terrain off-road race of about 4 miles in Shotton on 4 September 2026, with pre-entry fees (£10, £8 affiliated), prize categories by age, a minimum age of 17, and a 200-person entry limit.

A 102 mile self navigation ultramarathon across Snowdonia Eryri with 5,172 m of ascent, 11 checkpoints and a 42 hour cut off. Entrants need prior 50 mile ultramarathon experience, mandatory mountain kit and GPS tracking.

A 45 mile mountain ultramarathon in Snowdonia Eryri around Betws y Coed on 5 September 2026, limited to 250 runners. The route includes mountain summits, five supported checkpoints and mandatory mountain navigation and safety kit.

Trail running in the Shropshire Hills from Carding Mill Valley with Marathon, Half Marathon and 10K options across The Long Mynd and National Trust land, waymarked route, on-course aid stations and a finishers medal.

Trail races from Barmouth beach to Cadair Idris across coastal, forest and mountain terrain, offered in three distances with marked routes, GPX files, marshals, chip timing and post-race refreshments.

A long distance 45 mile walk or run across Wales with an 18 hour time limit. The weekend event includes overnight accommodation, coach transport to the start and refreshments along the route.

A two day ultra following the Cheshire Canal Ring from Northwich, organised by New Era Community Boxing. Entrants must be over 20 and meet a 36 hour cutoff; duo tickets and pre race support are available.

A 30.5 km fell race around the Stretton hills with about 1360 m of ascent, summit checkpoints and partial course marking. The route requires navigational skills and significant fell running experience; entries are limited and the fee is £10..

Experience a point to point half marathon along the scenic Sandstone Trail from Bickerton Hill to Kelsall Hill. This event features professional timing, on course water stations, and excellent finish line facilities including showers and a..

A 14.5 km fell race with 855 m of ascent over upland moorland and rough off road terrain. Competent navigation and mountain skills are required; entry is limited and includes a soup roll and electronic timing.

A multi stage mountain ultra across Wales offering a six day Full Dragon of 380 km and 16,400 m ascent plus two day and partial route options. Navigation is unmarked; organisers provide a paper map, GPX files and a safety GPS tracker.

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.

A guided day running across all 15 Welsh 3000 ft peaks in Snowdonia, covering about 30 miles and 4,000 m of ascent. Transport, mountain guide and support vehicle are included and the event is run as a non competitive guided outing.

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.

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