Trail Running calendar near Holyhead 2025-2026

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

The Sandstone Trail Races feature a unique trail running experience in Cheshire and North Wales, offering two concurrent point-to-point races. The event starts at Bickerton Hill National Trust Car Park and concludes at Kelsall Hill Equestrian Centre, providing excellent facilities for participants a..

The Snowdonia Mountain Skills Weekend, hosted by Running Adventures, is a challenging trail running event held in the Nantlle Valley within Snowdonia National Park, UK. Designed for advanced trail runners with recent marathon or ultra experience, the weekend offers guided runs over rugged terrain fe..

Defeat Delamere is a running event held at Delamere Forest, Frodsham, featuring multiple race distances including 5k, 10k, 16k, and a mini-miler for children aged 3 and above. The course offers a scenic and challenging route through the forest with varied terrain, including downhill stretches and st..

The Abersoch Half Marathon is a scenic 13.1-mile race held in the charming seaside village of Abersoch on the Llyn Peninsula, North Wales. The course primarily follows roads through the villages of Llanengan, Llangian, and Sarn Bach, culminating in an exhilarating final kilometer along Abersoch Beac..

The The Brutal Extreme Triathlon will take place in Llanberis on Saturday 20 September 2025.

Mullaghcleevaun is a challenging mountain running event organized by the Irish Mountain Running Association, set in Wicklow. Participants will navigate a 12.10 km course with an ascent of 800 meters, requiring advanced navigational skills due to the terrain. The race emphasizes safety, mandating spe..

EcoTrail Wicklow is a trail running event held in Wicklow, Ireland, known as the "Garden of Ireland." The event offers multiple race distances to accommodate various levels of runners, including 80 km, 46.5 km, 30.9 km, 19.8 km, and 10 km courses. The terrain is predominantly natural, with nature co..

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The Town to Tower 10K is an uphill race starting in the market town of Ruthin, North Wales, and finishing at the summit of Moel Famau, the highest point in the Clwydian Hills. This challenging 10-kilometer course ascends to the Jubilee Tower at over 550 meters above sea level, offering stunning view..

October 2025

The Women's Night Challenge is a unique running event designed exclusively for women, taking place in Wicklow. This introductory challenge encourages female participation in night running, featuring a 7 km route along the scenic Sugarloaf Way. Participants are required to carry essential gear, inclu..

The Loop Ultra is a 32-mile trail running event held in the remote Cambrian Mountains near Dolanog, Mid Wales. Starting and finishing at Camp Plas, a nature retreat offering eco-friendly camping and amenities, the course features challenging trails, forest tracks, and ancient paths with stunning vie..

The Breidden Hills Race, organized by Mercia Fell Runners, is a challenging fell running event set in the scenic West Midlands. Participants will tackle a distance of 11.5 km with a total ascent of 790 meters, making it a demanding course for runners. The race requires pre-registration and is open t..

Loggerheads Autumn Trails is an exciting running event featuring longer versions of popular 5k and 10k races, set in the scenic Loggerheads Country Park. Participants can choose from a 14k race, which consists of two loops of a 7k course, or a 7k Canicross discipline, welcoming runners of all abilit..

The Glendalough Trail Run is a charitable running event held in Glendalough, supporting Fighting Blindness and their research into degenerative eye diseases. Scheduled for October 18, 2025, the event offers two course options: a competitive 15km run and a non-competitive 8.5km walk or jog, allowing..

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The Brenig Way 50K Trail Race is a challenging ultramarathon that covers 50 kilometers through remote upland scenery in Wales. Starting in Corwen, participants follow a marked footpath along country lanes, forest tracks, and riverside paths, crossing notable landmarks such as Clocaenog Forest and Ll..

November 2025

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 and paths, featuring und..

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 a course through woodland trails, sandy paths, and the stunning Llanddwyn Island...

The PFW Running - World Diabetes Day Run is a charitable event held at Stanley Park, Blackpool, Lancashire, supporting Breakthrough T1D to fund Type 1 diabetes research. The run features a 3.1-mile loop course on flat tarmac with a short gravel section. Participants can complete as many laps as they..

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..

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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..