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.

Choose distances from 9 miles up to a 37 mile ultra on the Winter Railway Ultra, a scenic route along the River Severn on a disused railway between Ironbridge and Bridgnorth. Enjoy regular aid stations, great riverside views and nearby vill..

Take on Mr Sparkle's Dark Un, an 8.1 km night fell race around Tockholes with stiff climbs, open moorland and muddy descents under headtorch light. Limited to 100 runners, entry supports Bolton Mountain Rescue and the Red Cross.

Tackle the Chester Ultra 50 mile trail around Chester, linking the Sandstone Trail, Delamere Forest and Helsby Hill within a 17 hour cut off. The 2026 event is sold out and mandatory kit plus a GPS tracker are required.

UTMB Index

Castle 2 Castle Ultra is a 32 mile ultramarathon from Powis Estate to Caffi Wylfa, taking runners over fast paths and rolling footpaths with scenic castle views. Finishers get a celebratory plate and goodies and top three men and women win..

Tackle the 25 mile South Shropshire Circular from Minsterley Village Hall, a navigational challenge across scenic hills with checkpoints and a 10 hour limit. Organised by LDWA and currently full with a waiting list.

Join Phoenix Running Manchester's Dragonfly Run at Hardy Farm for a timed, multi distance challenge on a flat riverside towpath. Enjoy a bespoke finisher medal option, cakes at aid stations and a £1 donation per runner to Glossop Cat Rescue..

The Carraghan will take place in Braddan on Saturday 28 February 2026.

March 2026

Cloud Nine is a classic 9 mile fell race from Congleton to the summit of Bosley Cloud and back, offering rugged trails and great views. Entry is by pre registration only, places are limited and FRA mandatory kit rules apply.

Hit the trails at Loggerheads Country Park with 5 km, 10 km and Canicross routes over riverside paths, rocky sections and a set of steps to conquer. Organised event with on site facilities and great reviews.

Tackle a scenic but testing 6.8 km fell course around Dolgarrog with 417 m of climb, hosted at Canolfan Porthlwyd. Entry on the day; minimum age 16 makes it perfect for adventurous runners.

Granny's Bay Challenge in Lytham St Annes offers a scenic multi lap run along the Ribble estuary with coastal views. Limited to 100 entrants with a 6 hour limit, complete one 5.24 mile lap to earn an official time and medal.

Join the Roddlesworth Roller on 8 March 2026 for a scenic 9 km trail run around lakes and through woods near Chorley. All ages and abilities are welcome as the event raises funds for the Abbey Village PTA.

Join the CODopoly Triple in Shropshire for a weekend of flexible running from The Unicorn Inn, with routes offering views of Ironbridge and south Telford. Pick one to three days and mix 8 mile, Half Marathon or Marathon distances to suit yo..

Join the Nant Yr Arian Silver Trail Races on 14 March 2026 in the scenic Cambrian Mountains, featuring a trail Half Marathon, 10 km and fun youth races for all ages. Organized by Aberystwyth Athletic Club, the community event supports local..

Canicross on Saturday and trail races on Sunday at the private Brynkinalt Estate in Chirk, with scenic approx 5k and 10k routes over footpaths, grass and climbs. Festival vibes, photos and results add to the experience.

Take on the Black Mountains at the Beast of the Blacks on 14 March 2026, choosing 17 km, 32.5 km or 65 km routes. Fully marked trails, stocked checkpoints, camping and canicross friendly support make it a must for trail runners.

Join the Trotters 5 Mile Community Trail Run in Bolton for a chip timed 5 mile through scenic trails at Smithills Sports Centre. Friendly community vibe with a 300 runner limit, perfect for club and solo runners of all levels.

Join Smithy's Charity Trail Run on Saturday 21 March 2026 at Rainy's Deakins Park in Bolton for a scenic 5 mile trail through local woodlands. Enjoy friendly competition while supporting a great cause in a welcoming community event.

Ras yr Aran on 28 March 2026 starts from Llanuwchllyn village hall near Bala and offers a testing 10 mile senior race with about 945 m of ascent across classic North Wales terrain. Teams and juniors welcome with limited entries.

Join a friendly, inclusive trail challenge at Moel Famau on 28 March 2026. The Piece of String race at Bwlch Penbarras is a surprise 6 to 12 km hill run with canicross first and a medal and chocolate for finishers.