Trail Running calendar near Llanfairpwllgwyngyll 2025-2026

We have found 81 Trailruns within 80 miles of Llanfairpwllgwyngyll. See below where and when you can find the races.

Ogwen | Yr Helgi Du 2025 is a mountain trail running event held at Plas y Brenin, Capel Curig, in the scenic Ogwen Valley of Eryri (Snowdonia), North Wales. The race offers three distances—10K, 25K, and 40K—covering some of the highest mountains in England and Wales, including the Carneddau and Glyd..

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The Bray Head race, organized by the Irish Mountain Running Association, takes place in County Wicklow along the classic route over the two summits of Bray Head. Covering a distance of 6.85 km with a climb of 270 meters, the course is rated as moderately difficult and fully marked. The event offers..

Open to Offas is a well-established walking and running challenge held in northeast Wales, starting from Cilcain Village Hall. Participants can choose from three distances: 32 miles, 24 miles, or 15.5 miles. The scenic routes ascend the Clwydian Hills and follow the Offa's Dyke Path along the ridge,..

The Ribble Runfest, organized by PFW Running, is a multi-distance running event held in central Preston, starting and finishing near Avenham Park Café by the River Ribble. The course features scenic parklands including Miller Park and Upper Farm Nature Reserve, with mainly flat, hard-surface paths a..

The Ragleth Inn Fell Race, organized by Mercia Fell Runners, takes place near Little Stretton in the West Midlands. This challenging fell race covers 4.4 km with 390 meters of ascent on a new course introduced in 2024. The route features varied terrain including Callow Hollow and Callow summit, with..

Moel Famau 24 is a unique 12- or 24-hour endurance event held on the iconic Clwydian Hill of Moel Famau, featuring a challenging 7.2 km loop with 500 meters of ascent per lap. Participants, including solo runners and teams, aim to complete as many laps as possible within their chosen time frame. The..

Race The Train™ is an annual running event held in Tywyn, Mid-Wales, organized by the Rotary Club of Tywyn. Scheduled for August 16, 2025, it offers multiple race distances catering to various age groups, including a 14-mile Rotary Challenge, a 10K Quarry Challenge, a 5.5-mile Dolgoch Challenge, a 3..

The Wild Wolf of Radnor is a 10-mile trail race set in the stunning Radnor Forest in Mid Wales, an area steeped in local legend as the site where the last wolf of Wales was shot. The course features diverse terrains including forestry roads, open moorland, and muddy, tree-lined single tracks. Runner..

The Leeds & Liverpool Canal 130 Mile Race (LLCR) is a challenging ultra-distance running event held along Britain’s longest man-made waterway, the Leeds & Liverpool Canal. Starting at Old Hall Street in Liverpool and finishing at Office Lock in Leeds, the race covers 130 miles of towpath, passing sc..

The Croghan Half is a challenging mountain running event held in County Wicklow, Ireland, featuring a 21 km course with 850 meters of ascent. The race showcases diverse terrain including fireroads, forest trails, rocky paths, and open mountain sections around Croghan Kinsella on the Wicklow-Wexford..

Ring O' Fire is a coastal ultra marathon event held on the island of Ynys Môn, offering challenging endurance races including the Ring O’ Fire 130 and the Firelighter 50. Participants embark on ultimate coastal endurance challenges, running through beautiful and rugged coastal terrain. The event fea..

The Aughavannagh race, organized by the Irish Mountain Running Association, is an extreme mountain running event held in County Wicklow. Covering approximately 22.6 km with a challenging ascent of 1095 meters, the course is unmarked and requires advanced navigation skills. The route includes key che..

September 2025

The Montane Dragon's Back Race® is a legendary and grueling 6-day ultra running event covering 380 km with 16,400 meters of ascent along the spine of Wales. Starting at Conwy Castle and finishing at Cardiff Castle, it is widely regarded as the world's toughest mountain race. The multi-stage course c..

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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...

The Battle of the Borders is an exciting trail running event set in the picturesque Shropshire Hills, offering participants the choice of a Half Marathon (13.1 miles) or a full Marathon (26.2 miles). This single-lap course begins and ends at Carding Mill Valley, a National Trust area, providing stun..

The Yr Wyddfa Ultra 50 is a challenging 45-mile ultramarathon held in Snowdonia National Park, Wales, starting and finishing in the picturesque village of Betws-y-Coed. Featuring 3,254 meters of ascent, the mountain trail course includes iconic landmarks such as Heather Terrace on Tryfan, the summit..

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The Across Wales Walk is a renowned challenge walking event held annually, now in its 62nd year. Participants walk or run a demanding 45-mile linear route across Wales, starting from Anchor Bridge on the English border near Clun and finishing at Clarach Bay near Aberystwyth on the Welsh coast. The c..

The RunThrough Snowdonia Sea2Sky Trail Races, held in September 2025 at Barmouth, UK, offer two challenging distances: 25k and 53k. Set in the stunning landscape of Snowdonia, participants can enjoy breathtaking trail views while tackling a well-marshalled course. The event features chip-timed resul..

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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..