Trail Running calendar near Llanberis 2026-2027

We have found 141 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.

Take on the Reservoir Roundabout, an annual run or walk through the wild Elan and Claerwen Valleys from Elan Valley Visitor Centre. Choose 12 or 20 miles of upland terrain with partially waymarked sections, so bring map and compass.

The Ardwhallan will take place in West Baldwin Reservoir on Saturday 10 January 2026. You can run 12 kilometers.

Run Delamere Forest on 11 January 2026 across wide trails and singletrack, mostly flat with a final climb up Old Pale. Pick the 10 km or 13.1 mile route and enjoy electronic timing, finish drinks and a custom finisher's medal.

Join the Manchester Doughnut Dash at Hardy Farm for a multi lap run along the River Mersey towpath with Krispy Kreme doughnuts on course. Choose from 5 km to ultra distances, enjoy a medal, and support Rescued Kitties Charity.

Explore Eyarth Rocks and Graig Wyllt on a guided 12 km trail run from Pwll Glas, with varied terrain and gentle climbs. Multiple group stops for views make this a social, scenic run ideal for nature lovers.

Take on The Holly Challenge on 24 January 2026 in Lightmoor Nature Reserve with distances from 5K to marathon and just 50 places available. Enjoy a scenic lane route, full support and a finisher medal.

Run the Petzl Night Runner at Rivington under head torch light, choosing 10 km or a half marathon on glow in the dark trail signage. Expect rough, boggy, rocky terrain, a finisher medal and lively post race buzz.

On 24 January 2026 take on a stunning but tough mountain loop around Yr Wyddfa from Llanberis, organised by Eryri Harriers. Choose whole, half, relay or pair formats and be ready for winter conditions and mandatory kit.

Run scenic trails across the Shropshire Hills and Long Mynd at The Icing on the Cake on 31 Jan 2026 with marathon, half and 10k options. Finish by the National Trust tea rooms and join the cake competition for a sweet post race treat.

Ras Tarrenhendre Fell Race in Abergynolwyn, Wales on 31 January 2026 is a rugged 6 mile test with about 2000 ft of ascent across ridges, forestry and old slate quarries. Expect steep climbs, exposed summit running and a moorland descent.

Flat, timed laps along the River Mersey at Hardy Farm, from 5k to ultra on a 5.3 km 3.28 mile out and back loop you can repeat within seven hours. Choose a bespoke finisher medal, refuel at a well stocked aid station and support Manchester..

February 2026

Run Phoenix Running Manchester's Friday Frenzy on 13 February 2026 at Hardy Farm, a timed event on a flat 5.3 km out and back towpath where runners can complete as many laps as they like within a 7 hour limit. Finishers get a commemorative..

Join the Anglezarke Amble Challenge from Rivington Village Hall for scenic 17 or 24 mile moorland routes across the West Pennine Moors. Enjoy hilltop views, checkpoint refreshments and a well supported outdoor challenge.

Take on the Winter Railway Ultra on 21 Feb 2026 with distances from 9 to 37 miles along a scenic disused railway by the River Severn between Ironbridge and Bridgnorth. Aid stations and nearby pubs add winter charm to the challenge.

Take on Mr Sparkle's Dark Un, an 8.1 km night fell race across moorland with stiff climbs, mud and a final descent on 27 Feb 2026. A headtorch and full body cover are required and places are limited, pre entry only.

Celebrate the tenth anniversary of the Chester Ultra 50 Mile, a 50 mile trail ultramarathon around North Cheshire linking the Sandstone Trail and Helsby Hill. Expect rugged singletrack, seven checkpoints and a tough but rewarding 17 hour cu..

UTMB Index

Castle 2 Castle Ultra is a 32 mile ultramarathon from Powis Estate in Welshpool to Caffi Wylfa in Chirk, blending fast flats with rolling footpaths for a scenic but testing challenge. This sold out event awards finishers a commemorative pla..

Tackle the 43rd South Shropshire Circular on 28 Feb 2026: a rugged 25 mile route from Minsterley Village Hall with about 4,675 ft ascent and a 10 hour time limit. Strong navigation skills, sturdy footwear and essential kit required.

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.