Trail Running calendar near Llanfairpwllgwyngyll 2024-2025

We have found 91 Trailruns within 80 miles of Llanfairpwllgwyngyll. See below where and when you can find the races.

The Black Mountains 50 is an exhilarating running event set in the stunning landscapes of South Wales, featuring multiple distances: 50 miles, 32 miles, a marathon, and a half marathon. Participants will navigate high trails, valleys, and ancient forests, encountering breathtaking views, waterfalls,..

The Skyrun Eryri, also known as the Snowdon Skyrace, is a premier skyrunning event held in the stunning Eryri/Snowdonia region of Wales. This unique weekend of skyrunning features multiple race distances, including 16km, 27km, 38km, and 52km, catering to various skill levels. Participants can experi..

UTMB Index

The Ultra Wales 50 is a challenging 50-mile mountain and trail race set in the stunning landscapes of Southern Snowdonia, featuring significant elevation gains of 2898 meters. Scheduled for June 21, 2025, this event will take participants through iconic locations such as Cadair Idris and the Barmout..

UTMB Index

The Welsh 3000's Ultra Run is an exhilarating guided mountain running event that takes participants over 15 peaks in Snowdonia, North Wales, each exceeding 3,000 feet. Covering approximately 30 miles (50 km) with a height gain of 4,000 meters, this challenging adventure is designed for determined ru..

The Lake Vyrnwy Running Festival is an exciting event that caters to runners of all ages and abilities, promoting fitness, competition, and community spirit. Scheduled for June 28-29, 2025, the festival features a 5k race on Saturday evening and an 11k race on Sunday morning, both set against the st..

July 2025

The XTERRA Snowdonia Trail Marathon Eryri is a premier trail running event set in the breathtaking landscapes of Snowdonia National Park, Wales. Participants can choose from various distances, including an ultramarathon, marathon, half marathon, and 10k, all featuring stunning views and challenging ..

UTMB Index ITRA Points

The LT-100 + LT-50 Mile Ultras is an exhilarating trail running event set in the stunning landscapes of the Black Mountains and Brecon Beacons National Park in South Wales. Participants can choose between a challenging 100-mile ultra or two separate 50-mile routes, each offering breathtaking views a..

Snowdon24 is an ultra trail running event set at the iconic Yr Wyddfa (Snowdon), the highest mountain in Wales and England. Participants can challenge themselves individually or as part of a team to ascend and descend the mountain as many times as possible within a 24-hour period. The event features..

UTMB Index ITRA Points

"Snowdonia in a Day" is an exhilarating challenge event that invites participants to traverse the stunning Snowdonia National Park in a single day. Covering a distance of 60km (40 miles) with a significant elevation gain of 4,500m, the route takes runners over 24 mountains, starting in Conwy and fin..

The Welsh 3000 Challenge (14 Peaks) is a premier mountain running and walking event in the UK, set in the stunning Snowdonia National Park. Participants can choose between a 20-hour challenge or a two-day challenge, both of which involve summiting all 14 peaks over 3000ft, including Snowdon and Crib..

The Paddy Buckley Round is a challenging running event set in Northern Snowdonia, covering over 100km and featuring approximately 9,000m of ascent and descent across 47 mountain peaks. This guided adventure takes place over three days, with participants running up to 40km daily in small groups, led ..

Ultra X Wales is a multi-stage ultra-marathon event set in the stunning landscapes of southern Snowdonia, Wales. Participants can choose from various race distances, including 110km, 60km, 50km, and 25km, with options for both single and multi-day formats. The course features looped trails that show..

August 2025

The Ogwen | Yr Helgi Du 2025 is a thrilling trail running event set in the stunning Eryri's Ogwen Valley, featuring three challenging distances: 10K, 25K, and 40K. Participants will navigate some of the highest mountains in England and Wales, including the impressive Carneddau and Glyderau ranges. T..

UTMB Index

The PFW Running - Ribble Runfest is an exciting running event set in the picturesque parklands of central Preston. Participants can choose from multiple distances, including a 10K, half marathon, marathon, and ultra marathon, all starting from Avenham Park. The course features a mix of scenic paths ..

The Moel Famau 24 event is a unique running challenge set on the scenic Clwydian Hill, featuring a 7.2km loop with a 500m ascent. Participants can choose to run solo or in teams for either 12 or 24 hours, with no cut-off time or minimum laps required. The event promotes a relaxed atmosphere, allowin..

The Leeds & Liverpool Canal 130 Mile Race (LLCR) is a non-stop endurance event that takes place along Britain's longest man-made waterway, the Leeds & Liverpool Canal. Scheduled for August 2025, this race allows participants to choose between supported and unsupported categories, with a total entry ..

September 2025

The Dragon's Back Race® is a renowned ultra-running event held over six days, covering a challenging 380km with an ascent of 16,400m along the mountainous spine of Wales. Starting from Conwy Castle and concluding at Cardiff Castle, this legendary race offers participants breathtaking scenery and a s..

The Yr Wyddfa Ultra 50 is an exhilarating ultra-marathon set in the stunning Snowdonia National Park, specifically around the village of Betws-y-Coed. Covering a challenging distance of 45 miles with an elevation gain of 3,254 meters, this event invites experienced runners to navigate rugged mountai..

UTMB Index

The Across Wales Walk is a renowned challenge walking event that spans 45 miles across Wales, allowing participants to walk or run the route within 18 hours. Celebrating its 62nd year, the event offers a full weekend experience, including overnight accommodation, transport, refreshments along the ro..

The Yr Wyddfa Ultra 100 is an exhilarating 100-mile ultramarathon set in the stunning Snowdonia National Park, featuring a challenging elevation gain of 5788 meters. Scheduled for September 6, 2025, the event accommodates 250 participants and has a cut-off time of 40 hours. Runners will navigate thr..