Trail Running calendar near Llanberis 2025-2026

The PFW Running - Cuerden Curve 10K is a new trail running event set in Cuerden Valley Park, Preston. The 10K course features an undulating, off-road route that offers scenic views and a natural setting among trees and wildlife, suitable for runners of all abilities. The race starts and finishes at..

Ultra X Wales is a multi-stage ultra-marathon held in southern Snowdonia, western Wales, featuring distances of 110km, 60km, 50km, and 25km. The event takes runners through the stunning landscapes of Snowdonia National Park, including the northern Cambrian mountains, lakes, coastline, ridgelines, an..

The Railway Ultra is a multi-distance running event held along the scenic banks of the River Severn, featuring routes of 9 miles, half marathon (13.1 miles), 19 miles (3/4 marathon), 28 miles, and 37 miles. The event showcases the beautiful landscape and industrial heritage of the area, with well-st..

The Guided Trail Run at Bod Petryal offers participants a relaxed 10km experience through the scenic Clocaenog Forest. The route features beautiful forest trails, leading to the village of Melin y Wig, and includes a stretch along the Brenig way beside the river Clwyd. This event emphasizes a friend..

Ogwen | Yr Helgi Du 2025 is a mountain trail running event held in the stunning Ogwen Valley within Eryri (Snowdonia), North Wales, starting from Plas y Brenin, Capel Curig. The race offers three distances—10K, 25K, and 40K—covering some of the highest mountains in England and Wales, including the C..

The EDDUM is a 50-mile ultra running challenge set around the Epynt Way, a largely untouched permissive trail encircling the Sennybridge Training Area, the UK's third largest military training ground. Located in Wales, the course offers stunning views of the Brecon Beacons to the south and the Cambr..

Open to Offas is a long-established walking and running challenge held in northeast Wales, starting from Cilcain Village Hall. Participants can choose from three distances: 32 miles, 24 miles, or 15.5 miles. The routes ascend the scenic Clwydian Hills and follow the Offa's Dyke Path along the ridge,..

The Ribble Runfest, organized by PFW Running, is a multi-distance running event held in central Preston, starting and finishing near Avenham Park Cafe by the River Ribble. The course features scenic parklands including Avenham Park, Miller Park, and Upper Farm Nature Reserve, with mainly flat, hard..

The Ragleth Inn race, organized by Mercia Fell Runners, is a fell running event set in Little Stretton, West Midlands. The race features a new route for 2024, covering a distance of 4.4 km with a total ascent of 390 meters. Participants can register on the day or pre-register, with entry fees varyin..

Moel Famau 24 is a unique 12- or 24-hour endurance event held on the iconic Clwydian Hills at Moel Famau, Wales. Participants tackle a challenging 7.2 km loop with 500 meters of ascent per lap, completing as many laps as possible within their chosen time frame. The event welcomes solo runners and te..

Race The Train™ is an annual running event held in Tywyn, Mid-Wales, organized by the Rotary Club of Tywyn. Scheduled for August 16, 2025, it offers multiple race distances catering to various age groups and abilities, including a 14-mile Rotary Challenge, a 10K Quarry Challenge, a 5.5-mile Dolgoch..

The Leeds & Liverpool Canal 130 Mile Race (LLCR) is a challenging ultra-distance running event held along Britain’s longest man-made waterway, the Leeds & Liverpool Canal. Starting at Old Hall Street in Liverpool and finishing at Office Lock in Leeds, the non-stop 130-mile towpath course offers a sc..

Ring O' Fire is a challenging ultra marathon event held on the Isle of Anglesey, North Wales, featuring two main races: the Ring O' Fire 130 and the Firelighter 50. The Ring O' Fire 130 is a non-stop 130-mile (216 km) endurance race circumnavigating the island along the Anglesey Coastal Path, with a..

The Montane Dragon's Back Race® is a legendary and extremely challenging multi-stage ultra running event held annually in Wales. Covering 380 kilometers with 16,400 meters of ascent over six days, the race follows the spine of Wales from Conwy Castle to Cardiff Castle. Known as one of the world's to..

The Dee Way 120 is an ultra-distance running event that spans approximately 120 miles along the scenic River Dee, from Llanwchllyn to Prestatyn. Participants can choose between the full race or a shorter 60-mile option, which starts at Corwen. The event features a 50-hour time limit for the 120-mile..

The RunThrough Snowdonia Sea2Sky Trail Races, held in September 2025 at Barmouth, UK, offer two challenging distances: 25k and 53k. Set in the stunning landscapes of Snowdonia, this event features exhilarating trail routes with breathtaking views. Participants benefit from a fully marshalled course,..

The Battle of the Borders is an exciting trail running event set in the picturesque Shropshire Hills, offering participants the choice of a Half Marathon (13.1 miles) or a full Marathon (26.2 miles). This single-lap course begins and ends at Carding Mill Valley, a National Trust area, providing stun..

The Yr Wyddfa Ultra 50 is a challenging 45-mile ultramarathon held in Snowdonia National Park, Wales, starting and finishing in the village of Betws-y-Coed. Featuring 3,254 meters of ascent, the mountain trail course includes iconic peaks such as Tryfan, Snowdon (Yr Wyddfa), Glyder Fach, and Glyder..

The Yr Wyddfa Ultra 100 is a challenging 102-mile ultramarathon held in Snowdonia National Park, Wales, featuring 5,788 meters of ascent across stunning mountainous terrain. The race starts and finishes in Betws-y-Coed and includes 10 well-supported checkpoints offering refreshments and medical aid...

The Across Wales Walk is a classic challenge walking event held annually, now in its 62nd year. Participants walk or run a demanding 45-mile linear route across Wales, starting from Anchor Bridge on the English border near Clun and finishing at Clarach Bay near Aberystwyth on the Welsh coast. The co..