Trail Running calendar near Anglesey 2025-2026

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.

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 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.

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.

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.

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.

Run along the Lancaster canal towpath and through tree lined Haslam Park on a scenic 5K loop with options from 5K up to marathon and a timed ultra. Finish at the UCLAN Sports Arena with showers, a cafe and free parking.

The Slieuwhallian will take place in Saint John's on Saturday 9 May 2026. You can run 3 miles.

Join the Avenham Amble in Preston on 10 May 2026 for 10K, half, marathon or ultra options along scenic riverside paths through Avenham and Miller Parks. Run one day or embrace the three day series and claim a bespoke medal and post run good..

Join a guided recce of the iconic Paddy Buckley route over the Hebogs, a 15 km leg with 1,580 m of ascent near Beddgelert in North Wales. Small groups led by experienced mountain leaders share route tips and local knowledge.

Ultra Trail Snowdonia by UTMB returns to Llanberis, North Wales as part of the UTMB World Series. Tackle epic 100 mile and 100 km routes or choose shorter 50 km and 25 km options across dramatic Snowdonia mountain trails.

Enjoy a lively 6.5 km hill run on Mynydd Myfyr near Oswestry with mixed terrain and 150 m of climbing, supporting Trefonen Hill Walk Weekend. Entry on the day welcome; scenic views and prizes make it a rewarding spring challenge.

Tackle all 15 Welsh 3000s on this guided mountain run through Snowdonia, an epic 30 mile route with around 4,000 m of ascent. Led by qualified guides with transport and support provided, this is a supported adventure not a race.

Join a guided recce of the Paddy Buckley Snowdon leg in scenic Snowdonia, a challenging mountain run led in small groups by experienced mountain leaders. Expect technical terrain, big climbs and stunning views with expert route advice.

Tackle 51 miles of rugged trail through Southern Snowdonia, summiting peaks near Cadair Idris and Rhinog Fach with nearly 2900 m of ascent. Limited to 500 runners, an epic mountain challenge with checkpoint support and live GPS.

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.