Trail Running calendar near Llanberis 2026-2027

We have found 195 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.

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.

Three waymarked walks of 12, 18 and 26 miles from Wistanstow Village Hall through the Shropshire Hills AONB, with checkpoint support, maps and a hot finish meal; places are limited and a waiting list operates.

A one lap 10K trail run through Yarrow Valley on 13 September 2026, routed along woodland paths and riverside trails with crossings of the River Yarrow. Based at the Flaming Grill Pub, entry is listed at £16 and every finisher receives a me..

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.

A timed, lap-based event on a flat 5.3 km riverside circuit in Chorlton Water Park offering distances from 5 km up to ultra within a seven hour limit, with an all-day vegetarian aid station and a bespoke finisher's medal.

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