Trail Running calendar near Trawsfynydd 2025-2026

We have found 115 Trailruns within 80 miles of Trawsfynydd. See below where and when you can find the races.

The Anglesey Trail Half Marathon & 10k is a scenic trail running event held in Newborough Forest and Ynys Llanddwyn, Anglesey, North Wales. The race features two distances: a 10k and a half marathon (21.1 km), taking runners through beautiful woodland trails, sandy paths, and onto Llanddwyn Island...

DirtRun In The Dark is an off-road running event held at The Wyre Forest, Callow Hill Visitor Centre. Participants tackle a 10km course consisting of two laps around forest tracks and trails, all run in the dark, making torches compulsory. The race welcomes runners aged 14 and above and allows canic..

The PFW Running - World Diabetes Day Run is a timed running event held at Stanley Park, Blackpool, Lancashire, on November 14, 2025. The course features a 3.1-mile loop on flat tarmac with a short gravel section. Participants can complete as many laps as they wish within a 6-hour limit, with options..

The Trails & Tarmac 12hr Backyard Ultra is a challenging endurance running event held near Crickhowell in Powys, set in the scenic Black Mountains. The race features a 4.2-mile loop combining 50% trail and 50% tarmac, with mostly flat terrain, one gradual climb, and a short steep section, allowing f..

The Liverpool Half Marathon MoRun is a charity running event held at Croxteth Park, Liverpool, supporting the Movember Foundation. Participants can choose from distances including a 1.5k Mini MoRun, 5k, 10k, and the Half Marathon. The course is a flat mix of paths and trails, dog-friendly and suitab..

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..

UTMB Index

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 Beckbury Trail is a 10K multi-terrain running event organized by Lawley Running Club, celebrating its 10th anniversary. Set in the scenic rural village and parish of Beckbury, Shropshire, the course features a mix of trail and a small section of road, including the challenging Badgers Bite Hill...

The PFW Running Lancashire Loop Trail Run takes place in Blackpool, Lancashire, showcasing the region's natural beauty. The event features a scenic 10K loop course passing Marton Mere nature reserve, Herons Reach golf course, and Blackpool Zoo, with views of Blackpool Tower and Stanley Park. Distanc..

DirtRun In The Dark is an off-road running event held at The Wyre Forest, Callow Hill Visitor Centre. Participants tackle a 10km course consisting of two laps around forest tracks and trails, all run in the dark, making torches compulsory. The race welcomes runners aged 14 and above and allows canic..

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..

December 2025

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 Secret Santa Series is a festive trail running event held in the Brecon Beacons National Park, starting and finishing at Cwmdu Village Hall, Powys. It offers three challenging distances: 14 km (Figgy Pud), 10 miles (Turkey Ten Mile), and a half marathon (Du Mulled Wine), with significant elevati..

The Telford T50 Trail Run is a challenging 50-mile winter trail race held in Telford, Shropshire, starting from The Unicorn Inn in Little Dawley. The course follows the renowned Telford T50 pathway, showcasing historic and scenic landmarks such as Ironbridge and the Wrekin, passing through industria..

The Secret Santa Tinsel Half Marathon is part of a festive series held in the scenic Brecon Beacons National Park, starting from Cwmdu Village Hall near Crickhowell, Powys. The event features three challenging trail distances: a 14km Figgy Pudding run, a Turkey Ten Mile, and the Half Marathon du Mul..

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 Half/Full/Ultra is a challenging running event that takes place along the scenic Offa's Dyke footpath, starting from Prestatyn seafront. Participants can choose from three distances: Half Marathon, Full Marathon, and a new Ultra distance of 33 miles, which culminates a..

The BigXmas Trail Festival is an annual trail running event held at Sale Water Park in Greater Manchester, blending urban and rural landscapes. Now in its fourth year, it offers three race distances: 11km, half marathon, and marathon. The courses are fully marked and marshalled, suitable for both be..

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..