Trail Running calendar near Llanberis 2025-2026

We have found 102 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.

Join a guided recce of the Paddy Buckley leg from Nantmoor to Beddgelert in Snowdonia. This 15 km, 1,580 m ascent route is run in small groups led by experienced Mountain Leader qualified guides for a scenic, challenging day.

Ultra Trail Snowdonia by UTMB invites trail runners to tackle technical mountain routes across Snowdonia from 15 to 17 May 2026. Choose from four challenging distances for a world class mountain running experience.

UTMB Index

The Shindig in the Shire showcases scenic routes past Ironbridge Gorge and the Iron Bridge, with some climbs to keep it lively. Pick 8, 16 or 26.2 mile courses and enjoy finisher bling, ales and pub food at The Unicorn Inn.

Take on scenic trails at Tatton Park on 31 May 2026 as part of the Wild Hybrid Weekend, with 10 km and half marathon routes across grass, woodlands and paths. Canicross welcome and all finishers get a medal, Wild Deer merch and refreshments..

June 2026

Join the Divorce Day Defib Fundraiser for a fun, scenic run from Coalport Village Hall along the Silkin Way and over Ironbridge. Choose 8, 16 or marathon distances and embrace fancy dress with top hats and tiaras to boost spirits.

Take on the epic guided Welsh 3000s Ultra Run in Snowdonia, crossing 15 peaks over roughly 30 miles with 4,000 m of ascent. This non competitive, fully supported mountain challenge includes guides, transport and food stations.

Experience a guided recce of the iconic Paddy Buckley section across the Snowdon Range from Beddgelert Forest to Llanberis. Run 20 km with 1,900 m of ascent in small groups led by qualified mountain guides for an epic day on the fells.

Ultra Wales 50 is a rugged 51 mile trail through Southern Snowdonia, taking in Cadair Idris, Rhinog Fach and Coed y Brenin forest and estuary vistas. Expect long climbs, technical terrain and epic views on a day of mountain running.

Challenge yourself on the Lake Vyrnwy 10k, a scenic multi terrain trail around the estate with climbs, fast downhills and stunning lake views. Open to runners 16 and over, finishers receive a medal and a lively finish arena with music.

Run the scenic Lake Vyrnwy 10k on 21 June 2026, a mixed terrain trail around the picturesque Llanwddyn estate with climbs and fast stretches. Enjoy a lively finish and a commemorative medal for all finishers.

Aggies Staircase is a punchy 4 mile fell race around Darwen Tower with 350 m of ascent, featuring the infamous, steep Aggies Staircase climb. Expect sharp climbs, runnable moorland and a scenic but testing route hosted by Darwen Dashers.

July 2026

July the Turd invites runners to tackle scenic laps around Ironbridge valley in Shropshire, with 8 mile, 16 mile and marathon options. Start and finish at The Unicorn Inn for a friendly pub atmosphere and a well earned finisher item.

Tackle a scenic 27 mile point to point ultra to the source of the Severn, including a four mile climb up Plynlimon. Finish at Mid Wales Arts Centre in Caersws and enjoy a rugged, rewarding mountain to river route.

Tackle the Severn Challenge: a five day, roughly 220 mile multiday ultra along the Severn Way from source to sea, testing navigation and endurance. Enjoy nightly hotel stops, baggage transfers and collectible stage medals that form a jigsaw..

Tackle the MTC Severn Plod Ultra, a 48 mile point to point ultramarathon from Maesmawr to Shrewsbury on 9 July 2026. Enjoy riverside trails, rolling hills and friendly checkpoints with vegan and gluten free options; bring a reusable cup.

Take on the MTC Severn Path Ultra, a point to point ultramarathon of roughly 60 miles from Shrewsbury to Worcester along the scenic River Severn. All finishers receive a bespoke medal and a head visor for this tenth edition.

Take on Snowdon in Snowdonia in a 24 hour ultra by climbing and descending the peak as many times as you can. Solo UTMB indexed entries and teams of up to five bring big challenges and an event village with on course support.

Enjoy scenic trails through the Shropshire Hills at The Piece of Cake Trail Run in Carding Mill Valley, with 10K, half and full marathon options. Post run treats and a cake competition add a sweet finish to this countryside challenge.

Explore Eryri on scenic trails and climbs at the Snowdonia Trail Marathon in Llanberis 12 July 2026, with views of Yr Wyddfa. Distances from 10k to a 57 km ultra, a lively event village and a kids fun run raising funds for mountain rescue.

UTMB Index

Tackle the Welsh 3000 Challenge, a guided Snowdonia adventure across the 14 peaks over 3000 feet, from Snowdon to the Carneddau. Pick a one day push or a two day option with expert guides, support stops and unforgettable ridge running.