Trail Running calendar near Llanberis 2025-2026

We have found 146 Trailruns within 80 miles of Llanberis. See below where and when you can find the races.

Take on the Llangollen Fell Race on 12 April 2026 with three scenic but testing routes from 5 miles to 28 km across the North Wales hills. Race HQ serves tea, coffee and cakes and entry is open in advance or on the day.

Ogwen | Yr Helgi Du 2026 is a skyrunning style mountain trail race on April 12 at Plas y Brenin, Capel Curig, weaving technical ridges across the Carneddau and Glyderau. Expect tough terrain, stunning views and a lively event village.

UTMB Index

Run the Rivington 10 miles Trail Challenge on 12 April 2026, a scenic chip timed route around Rivington Village, White Coppice and Wheelton plantation. Popular and often sold out, finishers earn bespoke medals and top prize categories.

Tackle a classic spring fell race in Mow Cop on Sun 12 Apr 2026: 10.5 km with 400 m of climb across stirring hill terrain. Entries on the day for adults 18 and over, with team scoring and friendly club spirit.

Take on the inaugural MTC Gelert 47 mile ultra from Barmouth to Llanidloes on 16 April 2026, the third day of the MTC CYMRUN end to end. Limited field, bespoke medal for all finishers and real time tracking for supporters.

Take on Chester Ultra 100, a scenic 102 mile trail around Chester that links forests, ridges and castles with a generous 32 hour cut off. Live GPS tracking keeps friends and crew updated as you tackle this epic day and night challenge.

Run or walk the Shropshire Way 80K Festival on 18 April 2026 from the Shropshire Hills Discovery Centre, enjoying hilly trails through peaks, Iron Age hillforts and woodlands. Distances 10 km to 80 km and proceeds support Grow Cook Learn.

Take on a scenic 8.6 mile loop around Trawsfynydd Lake in Snowdonia, a mixed tarmac and trail course with one testing hill and 175 m of ascent. All entry funds support the volunteer South Snowdonia Search and Rescue Team.

Join a guided 14 km trail run in peaceful Penllyn Forest on 19 April 2026, exploring quiet tracks between Bala and Lake Vyrnwy. Expect a led run with scenic stops and friendly company in person.

Run the 10k Red Squirrel trail through Ainsdale National Nature Reserve, across wooded paths and dune climbs with a chance to spot wildlife. Proceeds support Southport Stronger Together.

Run the stunning North Wales coast from Prestatyn to Bangor in the North Wales 50km and 100km ultramarathons on 25 April 2026. Expect flat coastal miles, inland hills and iconic sights like Conwy Castle and the Great Orme.

Discover the Corvedale Cake Walk from Holdgate Church near Much Wenlock, featuring scenic tracks and climbs to Abdon Burf, Shropshire's highest point. Choose 22 mile or 10 mile routes, enjoy refreshments and support church communities.

Tackle scenic, undulating trails through Delamere Forest in this 21K or 42K trail race on 26 April 2026. Expect woodland singletrack, clearly marked routes and a lively event village at the Visitor Centre welcoming runners.

May 2026

A guided mountain run across all 15 Welsh 3000 ft peaks in Snowdonia, roughly 30 miles with 4,000 m of climbing. Experienced guides and on route support make this a bold, scenic challenge for seasoned trail runners.

Take on the HOWUM 2026 30 mile trail ultra around Llanidloes, following scenic paths past reservoirs, the Severn source and historic waymarked trails. With no time limit and three supported checkpoints this is a wild friendly challenge.

Tackle the Moelwyns on a guided recce of the Paddy Buckley Round in Snowdonia, 35 km with 2,500 m of ascent. Small groups led by experienced mountain leaders make this the perfect prep for the full Paddy Buckley.

Worsley Woods Ladies 5 Mile Trail Race on 3 May 2026 offers a scenic 5 mile route through Worsley Woods in Manchester, welcoming women of all abilities. Entries open 31 December with limited places and on the day entry subject to availabili..

The Sheinton Steeplchase is a 5.3 km cross-country race held near Sheinton Church by Cressage in the West Midlands. Featuring a total ascent of 100 meters, it offers a challenging yet accessible course that is not a traditional fell race bu..

Explore Brockholes Nature Reserve on 8 May 2026 with the Bimble, a scenic trail around lakes, the River Ribble and woodlands offering 10K to ultra distances. Enjoy laps, a bespoke finisher medal and post run goodies while supporting the res..

Tackle the Offa's Dyke ULTRA, a 24 hour southbound run from Prestatyn along the iconic National Trail on 9 and 10 May 2026, with solo and team entries plus GPS tracking and chip timing. Support crew and vehicle required.