Trail Running calendar near Llanfairpwllgwyngyll 2025-2026

We have found 88 Trailruns within 80 miles of Llanfairpwllgwyngyll. See below where and when you can find the races.

Ring O' Fire is a coastal ultra marathon event held on the island of Ynys Môn, featuring challenging endurance races such as the Ring O’ Fire 130 and the Firelighter 50. These races offer participants the ultimate coastal endurance challenge, traversing scenic and rugged coastal terrain. The event e..

September 2025

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..

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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...

Battle of the Borders, run by How Hard Can It Be Events, is a trail-running challenge in the Shropshire Hills around Carding Mill Valley, Church Stretton. Runners choose either a Half Marathon (13.1 miles) or a Marathon (26.2 miles), tackling one single lap with no loops or out-and-backs. The route..

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..

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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..

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Now in its sixty-second year, The Across Wales Walk is a 45-mile linear challenge from the English border at Anchor near Clun, Shropshire, to the Welsh coast at Clarach Bay near Aberystwyth. Described as a classic of the challenge walking calendar, it is open to walkers and runners with an 18-hour t..

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 Stretton Skyline Fell Race, staged around Church Stretton, Shropshire, is a very tough long-distance event organized by Telford Athletic Club. It covers about 30.5 km with around 1,357 m of ascent, starting in Cardingmill Valley and finishing beside the Church Stretton Sports Pavilion after summ..

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..

Tour des Marches Challenge Walk is an endurance walking event based at Wistanstow Village Hall in south-west Shropshire, organized by the LDWA Marches Group. Participants choose from 12 or 18 miles to Clun or Bishop’s Castle respectively, or the full 26 miles looping back to Wistanstow, traversing u..

Defeat Delamere is a multi-distance running event held at Delamere Forest, Cheshire. The program features 5k, 10k, 16k routes and a mini-miler for younger participants. On the day, racers collect their race packs (number and timing chip) at the registration tent, then join a group warm-up before hea..

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,..

The Longridge Lamplight Trail Run takes place on Longridge Fell at Jeffrey Hill Carpark, Longridge. Runners can choose between 10 km or 20 km routes along footpaths and trails, with the event mainly conducted in darkness and headtorches and trail shoes mandatory. The course traverses muddy, challeng..

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..

NSCCL 2025 Round 1 – Betley Farm is a North Staffs Cross Country League event held at Betley Farm, Betley, covering traditional cross-country courses across North Staffordshire and South Cheshire. The meet features four races with combined team and individual scoring, emphasizing first-claim members..

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..