Trail Running calendar near Holyhead 2025-2026

Dragon’s Back Race® is a legendary six-day, multi-stage ultra running journey along the spine of Wales. The Full Dragon covers about 380km with 16,400m of ascent, starting at Conwy Castle and finishing at Cardiff Castle. Run every September, the route traverses dramatic Welsh terrain across six days..

The Dee Way 120 is a challenging ultra-distance trail race following nearly the entire 120-mile course of the River Dee from Llanwchllyn to Prestatyn in North Wales. The route traverses diverse and scenic landscapes, including valleys, historic villages, and coastal paths, offering breathtaking view..

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...

RunThrough Snowdonia Sea2Sky 53k & 25k Trail Races, a brand-new RunThrough event set in Snowdonia, takes place on Saturday, 6 September 2025 in Barmouth. Runners can choose between 25k and 53k trail distances, designed to challenge participants on scenic routes with amazing views. The course is mars..

Yr Wyddfa Ultra 50 is a 45-mile mountain ultramarathon in Snowdonia National Park (Eryri), with around 3,254 metres of ascent and space for up to 500 entrants. The route starts and finishes at Cae Llan/Village Green, Betws-y-Coed, following the Snowdonia Slate Trail from the Swallow Falls area up to..

The 2 Hillforts Hill Race is an exciting running event set to take place in 2024, starting and finishing at Plas Dolben Farm in Llangynhafal. Participants will tackle a challenging course that spans just under 9 miles, featuring a significant ascent of 2500 feet as it navigates the scenic Hillforts..

Sandstone Trail Half is Run Cheshire & Gogledd Cymru’s trail race along the Sandstone Trail in Cheshire. The event replaces the former Sandstone Trail Races and runs as a point-to-point from Bickerton Hill National Trust Car Park to the Kelsall Hill Equestrian Centre. The route is marked by yellow S..

The Snowdonia Mountain Skills Weekend 2025 is a trail running event held in the Nantlle Valley within Snowdonia National Park, UK. Hosted by Running Adventures, the weekend focuses on advanced trail runners aiming to enhance their mountain running skills and safety knowledge. Participants experience..

Defeat Delamere, hosted by Roy Castle Lung Cancer Foundation, returns at Delamere Forest in Cheshire. The event offers 5k, 10k, and 16k routes, plus a mini-miler for younger participants. Runners collect race packs with numbers and timing chips at on-day registration, followed by a group warm-up bef..

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 Brutal Extreme Triathlon takes place in Llanberis, North Wales, starting at Lake Padarn. The event offers Canol (Half), Mawr (Full), Cawr (Double), and Triple distances, with a 1.25 km swim in Llyn Padarn, a 28-mile bike loop through dramatic Welsh scenery, and lake laps totaling about 5 miles,..

MLN Dale Barracks, Chester is the second event in the MLN 25-26 league, staged on the Dale Barracks complex, the surrounding housing estate, and the northern training area. Courses range from Blue 6.6 km/125 m with 25 controls to Red 4.7 km/55 m with 18 controls, with Green and Light Green options o..

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..

EcoTrail Wicklow is the Wicklow, Ireland stop of Ecotrail’s international trail-running series. The 7th edition takes place on 27 September 2025. Runners can choose from five distances: 10K (375 m D+), 19K (733 m D+), 30K (1,193 m D+), 46K (1,670 m D+), and 80K (2,523 m D+).Courses are predominantly..

The Womens Night Challenge is a women-only night running event held in County Wicklow, Ireland. The race covers a 7 km distance with a climb of 277 meters, following the Sugarloaf Way. It is designed as an introductory night challenge to encourage female participation in night running, accommodating..

Set in the Cambrian Mountains, The Loop Ultra is a 32-mile trail race starting and finishing at Camp Plas, near Dolanog, Welshpool, in Mid Wales. The marked route threads forest tracks and ancient paths toward Lake Vrynwy, offering dramatic views across the Shropshire Hills and Snowdonia; red kites..

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..

Rad Dau Gopa Aberystwyth Twin Peaks Race takes place on Aberystwyth Promenade, featuring Senior and Junior runners. The senior race covers 11.7 km (7.3 miles) with about 237 metres of ascent, mostly on-road with a few off-road sections, starting and finishing at the Bandstand. Runners tackle two loc..

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 charity event held in Glendalough, Ireland, to support Fighting Blindness and its groundbreaking eye‑disease research. The next edition takes place on Saturday, October 18, 2025. Participants can choose a competitive 15km running course or a non‑competitive 8.5km walk/..