Trail Running Calendar Wales 2026-2027

We have found 124 Trailruns in Wales. Check below where and when you can find the races.

Coastal ultra marathon events on Anglesey include a 130 mile full circumnavigation and a 47 mile point to point race along the coastal path. Routes are mainly trail based, include checkpoints with cut-offs, and feature significant ascent.

A 30-mile ultra marathon on the circular Rhymney Valley Ridgeway Walk in South Wales. Experience varied trails, significant elevation, and supported checkpoints on this September adventure.

Explore 102 miles and over 5,000 meters of elevation across Snowdonia National Park. This self-navigation ultra features 11 checkpoints and a generous 42-hour cutoff. Finishers earn a commemorative buckle.

The Yr Wyddfa Ultra 50 is a 45-mile mountain run through the heart of Snowdonia National Park. With over 3,200m of ascent past Yr Wyddfa and the Glyderau, it's a true navigation challenge. The event features five fully-supported checkpoints..

Experience an all-terrain run from Barmouth beach to the summit of Cadair Idris. Choose from three distances featuring coastal views and mountain trails with full marshal support and chip-timed results.

Traverse the spine of Wales in a legendary 380 km multi stage ultra running journey from Conwy Castle to Cardiff Castle. Experience six days of remote mountain terrain with full camp support and high calorie catering.

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Experience a guided 50 km journey across the 15 peaks of Snowdonia reaching over 3000 feet. This non competitive event features expert mountain leaders support vehicles and premium hot food stations for a complete mountain challenge.

Brutal Extreme Triathlons in Llanberis, North Wales challenge athletes with a lake swim, tough open road bike laps and a final climb of Snowdon via the Llanberis Path. Enter solo or as a relay team and test your limits on wild terrain.

Run along the scenic Llyn Peninsula on a road course that finishes with a spectacular kilometer on Abersoch Beach. The event features chip timing, a beachside finish area with music and a bar, and finisher medals. It's part of the Abersoch..

A hilly trail event in the Cothi valley offering a 13 mile half marathon, a 6.5 mile alternative and a kids race, held at Pumsaint Village Hall with online entry and published route and results.

Experience the stunning Gower peninsula with three trail races along the Wales Coast Path. Run past iconic beaches and rugged cliffs in Britains first Area of Outstanding Natural Beauty.

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Experience the woodland paths and iconic castle views of Margam Country Park in this multi distance trail event. Choose between a 5k or 10k route featuring chip timing and finishers medals.

October 2026

An uphill only 10 km race from Ruthin to the Jubilee Tower on Moel Famau, finishing above 550 m with varied trails and a steep final gulley. A return bus to Ruthin can be bought at the event; entry fees range from £0 to £21.50.

Choose your own distance in this flexible 7-hour Time Challenge at Dare Valley Country Park. Run laps on well-maintained paths and enjoy a themed medal, goody bag, and snacks at the finish. The event welcomes walkers and offers vegan option..

Experience a 32 mile trail journey through the remote Cambrian Mountains and toward Lake Vrynwy. This sustainable event features a fully marked course with 4862 feet of elevation and a 14 hour cut off time.

Experience a multi terrain race over Pen Dinas and Constitution Hill starting from the Aberystwyth Promenade. With distances for both seniors and juniors, runners face climbs on gravel, grass, and rocky paths with coastal views.

Trail races at Loggerheads provide 6 km and 12 km routes, including a 6 km canicross, on marked and marshalled trails in a family friendly park setting. There are no time limits.

The Scare Bear Run offers a spooky themed event at scenic Dare Valley Country Park. Choose from various distances or a flexible 7-hour Time Challenge. Finishers receive themed medals, goody bags, and refreshments including ice cream.

A 50 km trail along the Brenig Way from Corwen to Llyn Brenig with 1450 m ascent, marked waymarkers, a GPX file and three checkpoints offering refreshments.

Cross the peaks of the Brecon Beacons and Black Mountains in this linear trail race series featuring four distances from 21 miles to 100 miles with fully supported checkpoints and spectacular mountain scenery.

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