Trail Running calendar near Llanfairpwllgwyngyll 2026-2027

We have found 187 Trailruns within 80 miles of Llanfairpwllgwyngyll. See below where and when you can find the races.

A new 10 km trail race in County Wicklow with 500 m of climb and a route still to be confirmed. The event is part of the Leinster Weekend, requires Level B kit, and does not allow GPS devices.

A 4.4 km fell race from the Ragleth Inn in Little Stretton with 390 m of ascent, a clockwise course with three control points, on-the-day or pre-entry and junior up and down Callow Hill races; some proceeds go to charity.

A hill and trail endurance event on Moel Famau with 12 and 24 hour options, run on a 5.8 km loop with about 400 m ascent per lap. Camping, feed stations, electronic timing and GPS tracking support solo runners, walkers and teams.

SkyRun Eryri in Rhyd-Ddu, Eryri/Snowdonia stages four mountain races from 16 km to 55 km on 15 August 2026, with large elevation gains, aid stations and a mix of ridgelines, scrambling and technical trails.

Annual mixed terrain running event in Tywyn with multiple course options including the Rotary Challenge. The race publishes past results, offers volunteer roles and merchandise, and runs alongside the Talyllyn Railway.

A five-round trail series at Wirral Country Park held on the third Tuesday each month from April to August, featuring an approx 8K course. Entry is available per race or as a series and trophies are awarded for overall series results.

A very short but steep mountain race on Tryfan near Bethesda, with exposed rocky terrain and expert navigation required. Minimum age over 18 and a £1 entry fee supports Ogwen Mountain Rescue.

A 5.5 mile multi-terrain fell run around Pen Y Gwely reservoir that starts and finishes within a traditional village show near Oswestry. The partially marked route climbs 225 m, requires limited experience, and has an over 15 minimum age; e..

Multi distance trail event in Preston on 23 August 2026, with 10k, half, marathon and ultra options on mainly hard surfaced park paths. Aid stations, bespoke medals and a six hour time limit are included.

A 10 mile trail race through Radnor forest in Mid Wales on 23 August 2026, held in aid of the Special Care Baby Unit in Hereford. The route reaches Black Mixen at 2130 ft and includes forestry roads, moorland and tree covered single track.

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.

Join the Dark Side Of The Combe on Mon 31 Aug 2026 in the Lake District as part of the Black Combe Country Fair at Bootle. This 12.5 km fell race with 625 m ascent is a tough, scenic test and has on the day entry.

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.

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