Trail Running calendar near Llanberis 2025-2026

We have found 138 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.

Join the Divorce Day Defib Fundraiser on 6 June 2026 for scenic laps from The Unicorn Inn across the Ironbridge and along the Silkin Way. Choose 8 mile, 16 mile or marathon options and embrace the fun of fancy dress with top hats and tiaras..

Tackle the Walsh Two Lads fell race in Horwich on Thu 11 Jun 2026, a lively 5.2 mile loop through the South Pennines with roughly 900 feet of climb. Expect rugged trails, friendly competition and a cash prize for any new course record.

Challenge yourself across the iconic Welsh 3000s in Snowdonia on a guided, non competitive ultra that covers all 15 peaks, about 30 miles and 4,000 m of ascent. Qualified mountain leaders, transport, support vehicle and food stations make t..

Kick off the 2026 Phoenix Summer Series in Manchester with a flat towpath race at Hardy Farm offering distances from 5 km to ultra and a bespoke finishers medal. Every entry supports Carrington Animal Rescue with vegan and gluten free aid s..

Join a guided mountain run on the Snowdon Range on 14 June 2026, covering 20 km with 1,900 m of ascent between Beddgelert Forest and Llanberis. Small groups led by qualified mountain leaders offer a focused recce of one leg of the Paddy Buc..

Ultra Wales is an epic 51 mile mountain and trail race around Coed y Brenin in Southern Snowdonia, climbing 2,898 m and taking in peaks like Cadair Idris. Limited to 500 runners with a 20 hour cutoff and live GPS tracking.

UTMB Index

Take on a scenic 10k around the Lake Vyrnwy estate, tackling varied trail surfaces with stunning lake views and rolling climbs. Friendly race day vibe, finisher medal and post race treats make this an ideal early summer challenge.

Enjoy a scenic 10k around the private Lake Vyrnwy estate in Llanwddyn on Sunday 21 June 2026, with mixed trails, lakeside views and challenging climbs. Finishers get a medal and post race goodies.

Tackle Aggie's Staircase, a scenic 4 mile fell race around Darwen with three tough climbs including Jubilee Tower and Jacobs Mound. Expect moorland views, rocky descents and a classic fell race atmosphere organised by Darwen Dashers.

The Cringle Hill Fell Race will take place in Isle of Man on Saturday 27 June 2026.

July 2026

Join July the Turd on 4 July 2026 in Ironbridge valley for marathon, 16 mile and 8 mile options over scenic tracks, paths and road. Friendly atmosphere, on site parking and bling for all finishers make it a great summer challenge.

Run around 27 miles of mountain terrain to the source of the River Severn, climbing Plynlimon before following riverside paths into Mid Wales. Part of the MTC Severn Challenge, this scenic ultra offers rugged views and checkpoint support.

Run a five day, 220 mile ultra along the River Severn, following the Severn Way with rugged, sometimes overgrown trails and GPX navigation provided. Each day is a separate race with bespoke medals and a big trophy for completing all five.

Take on the Stiperstones Fell Race in Snailbeach on Wed 8 Jul 2026, a rugged 6.7 km course with about 375 m of climb across classic Shropshire ridgelines. Pre entry is £7 or pay £10 on the day, with junior races available.

Tackle the 48 mile MTC Severn Plod Ultra, a point to point scenic ultramarathon from Mid Wales to Shrewsbury along river paths and country trails. Expect rugged terrain, checkpoint support and an unforgettable challenge for experienced runn..

Tackle the scenic 59 mile Severn Path Ultra on 10 Jul 2026, a point to point run from Shrewsbury to Worcester along River Severn. Enjoy riverside views, rolling terrain, supportive checkpoints and a bespoke finisher medal and head visor.

Run through dramatic Snowdonia scenery from Llanberis on 11 and 12 July 2026 with 10k, half, marathon and ultra options, plus a lively event village. Bilingual welcome and stunning mountain views make this a memorable trail weekend.

UTMB Index

Take on Snowdon in a thrilling 24 hour ultra where runners aim to ascend and descend the peak as many times as possible. Solo and team relays in a UTMB indexed event combine stunning mountain scenery with a lively festival vibe.

Explore the Shropshire Hills at The Piece of Cake Trail Run in Carding Mill Valley on 11 July 2026, with 10 km, half and full marathon options. Marked routes, finishers medals and a fun cake competition await.

Take on the legendary Welsh 3000 Challenge across all 14 Snowdonia peaks in one epic outing or over 2 days. Guided groups, checkpoints and return transport help you tackle rugged ridges and 50 km with 4000 m of ascent.