Trail Running calendar near Caernarfon 2025-2026

The Delamere Forest 42k and 21k trail races, organized by RunThrough UK, take place in the scenic Delamere Forest near Northwich, Cheshire, on November 2, 2025. The marathon consists of two laps of the half marathon route, featuring shaded forest trails, views of Blakemere Moss, the Sandstone Trail,..

The Warrington Way is a 40-mile ultramarathon trail race starting and finishing in the Cheshire village of Lymm. The course circumnavigates Warrington in an anticlockwise direction, primarily on trails, footpaths, field crossings, and country lanes. The route is waymarked, but runners must carry map..

The Poole Half Marathon MoRun is a vibrant running event held at Upton Country Park, Poole. It offers multiple distances including a 1.5k Mini MoRun for kids, 5k, 10k, and a half marathon, catering to all ages and abilities. The course is mostly off-road with a mix of trails, muddy sections, and pat..

The Anglesey Trail Half Marathon & 10k is a scenic trail running event held in Newborough Forest and Ynys Llanddwyn, Anglesey, North Wales. The race offers two distances: a 10k and a half marathon (21.1 km), featuring beautiful woodland trails, sandy paths, and stunning views of Llanddwyn Island, th..

The PFW Running World Diabetes Day Run takes place at Stanley Park in Blackpool, Lancashire. This event features a 3.1-mile loop course on flat tarmac with a short gravel section. Participants can complete as many laps as they wish within a six-hour time limit, allowing for distances from a single l..

The Liverpool Half Marathon MoRun is a charity running event held at Croxteth Park, Liverpool, supporting the Movember Foundation to raise awareness for men's health issues. Participants can choose from distances including a 1.5k Mini MoRun, 5k, 10k, and the Half Marathon. The course is a flat mix o..

The Slate Trail Ultra™ is a challenging trail running event held in Snowdonia, Wales, starting from Porth Penrhyn, Bangor. It offers two distances: the full Slate Trail Ultra at 145 km (90 miles) with 3,900m+ elevation gain, and the Ultra Tour of the Quarries at 88 km (55 miles) with 2,700m+ elevati..

The Callow Fell Race, organized by Mercia Fell Runners, is a challenging event that has transitioned from a summer to a winter series race. Covering a distance of 8.1 km with a total ascent of 762 meters, it is recognized as one of the toughest races in Shropshire. The course features steep climbs a..

The Guided Trail Run in Dolwyddelan offers participants a scenic 10km route beginning in the charming village. The run features a leisurely start along the river, followed by a climb to Ty Mawr, where runners can enjoy stunning views of the village below. The course winds through beautiful forested..

The PFW Running Lancashire Loop Trail Run is a scenic trail running event held in Blackpool, Lancashire, starting and finishing near the Village Hotel on East Park Drive. The course features a 10K loop through picturesque locations including Marton Mere nature reserve, Herons Reach golf course, and..

The Loggerheads Half Marathon, held at Loggerheads Country Park, is a scenic and inclusive trail running event featuring a 7km loop completed three times. The course offers varied terrain and gradients, with each lap passing the start/finish area where runners can access feed stations and support. P..

The Alyn Waters Winter Trails offer 5k and 10k fully marked and marshalled trail running courses set in the scenic Alyn Waters country park. Designed for all abilities, the event encourages participants to race or enjoy a leisurely run without time limits. The accessible paths feature varied terrain..

The Cardington Cracker is a popular fell running event organized by Telford Athletic Club, taking place in Cardington, Shropshire. The race covers a distance of 14.5 km with a total ascent of 793 meters, making it a challenging course, especially in December's conditions. Participants must pre-regis..

The Sea 2 Summit - Offa's Dyke event offers Half Marathon, Full Marathon, and Ultra Marathon distances along the scenic Offa's Dyke footpath, starting at Prestatyn seafront. The Ultra race covers 33 miles, finishing at the summit of Cyrn y Brain above the Horseshoe Pass. The course follows the well-..

The Moel Famau Festive 'Piece of String' Race is a unique running event held on the last Saturday before Christmas at Bwlch Penbarras. Participants can expect a surprise distance and route, ranging between 6 and 12 kilometers, which will be revealed as the race progresses. The event includes a Canic..

The Icing on the Cake is a trail running event held in the Shropshire Hills, near Church Stretton, UK. Participants can choose between a half marathon (13.1 miles) and a full marathon (26.2 miles), both taking place in the scenic and rugged countryside of the National Trust area, including The Long..

The Anglezarke Amble Challenge is a scenic long-distance walking and running event held in the West Pennine Moors near Rivington, England. Participants can choose between two walking distances: a short 17-mile route and a longer 24-mile route, with runners restricted to the long course. The route sh..

The Chester Ultra 50 is a 50-mile ultra-marathon held in Chester, UK, featuring 849 meters of elevation gain. Celebrating its 10th anniversary in 2026, the race is organized by GB Ultras and follows scenic trails including the North Cheshire Way and the Sandstone Trail, passing through Helsby Hill,..

The Loggerheads Trail 5k & 10k is a popular trail running event set to take place in March 2026 at Loggerheads Country Park. Participants can choose from three race options: a 5k Trail, a 5k Canicross Trail, and a challenging new 10km route. The courses feature a variety of terrains, including river..

The Granny's Bay Challenge, organized by PFW Running, is a popular annual running event held in the scenic seaside town of Lytham St. Annes, Lancashire. The course is a flat 5.24-mile loop along a tarmac path beside the Ribble estuary, starting at the Fylde Spitfire Memorial and passing landmarks su..