Trail Running Calendar Wales 2026-2027

A surprise-distance trail run at Bwlch Penbarras with an earlier Canicross start; organisers reveal the last kilometre. The marked, marshalled course is 6 to 12 kilometres across hilly terrain and includes a chocolate treat and a finishers'..

Explore the Llanberis to Ogwen Valley leg of the Paddy Buckley Round with this guided 15 km mountain run featuring 1,830m of elevation gain across the Glyders in North Wales.

Explore the Carneddau leg of the iconic Paddy Buckley Round on this 16 km guided mountain run. Gain 1,245 m of elevation while learning the route from qualified Mountain Leaders in the heart of Snowdonia.

Celebrate a birthday with a Cakeathon in South Wales. Run or walk a flexible number of laps on a 5.3km course through Parc Taf Bargoed. Choose your distance and enjoy a 7-hour event with a finisher's medal and cake.

Experience a trail run through the UNESCO Dyfi Biosphere and along the Wales Coast Path. This event features a half marathon and a two lap marathon with 850m of elevation gain in the stunning Snowdonia National Park.

A 30 mile circular ultra on 4 April 2026 around Monmouth, covering parts of the Three Castles Walk and Offa's Dyke Path with 4,258 ft of elevation and two fully stocked checkpoints.

Tackle this fully guided 68km linear trail from Pentrefoelas to Bodfari, gaining 1,840m of ascent. With checkpoint support and qualified guides, the focus is on steady progress through remote landscapes. Finishers receive a wooden medal and..

Experience the unique challenge of racing on the firm sands of Pendine Beach. Choose from five distances ranging from 5k to an ultra marathon on a course famous for land speed records.

Three coastal trail races of 32.5, 18.5 and 10 miles follow the Wales Coast Path along the Vale of Glamorgan, with waymarked routes, staffed checkpoints, and coach transport for the linear course finishing at Ogmore-by-Sea.

Experience the rugged beauty of the Gower Peninsula with a self navigation half marathon or marked trail runs of 10km and 5km. Enjoy coastal paths and woodland trails starting from the scenic Oxwich Bay.

SheUltra is a 50 km ultrarun on 11 April 2026 in Pwllheli, United Kingdom. The event enforces a no crew no pacers policy, requires mandatory kit, and recommends third party insurance.

Experience the Summit 2 Sea Half Marathon along the Offa's Dyke path. This friendly and inclusive event offers a personable race experience for runners of all abilities looking to get moving outdoors.

Three off-road routes around Llangollen on 12 April 2026, including a new short course and climbs over Dinas Bran Castle. Proceeds support local mountain rescue and Llangollen Foodbank.

Experience the Ogwen valley through this skyrunning event in Eryri. Choose between 10km, 25km, and 40km routes featuring technical mountain terrain and alpine peaks starting from the National Outdoor Centre.

Tackle the Kymin Dash, a 7 mile road and trail race from Monmouth that climbs to the Round House for panoramic views before descending through fields and bluebell filled woodland. Enjoy a lively finish at Monmouth School Sports Club with Ki..

Wild Horse South Wales 200 is a 200-mile trail ultramarathon through South Wales. The route links historic paths like Offa's Dyke and the Beacons Way, finishing at Worm's Head on the coast. This point-to-point adventure offers a multi-day c..

The MTC Gelert is a 47-mile ultramarathon along Wales's scenic National Cycle Route 8, from Barmouth to Llanidloes. It is also the third day of the CYMRUN multi-day challenge. The event has a strict 4 mph pace requirement and provides a bes..

Experience a scenic 40 mile ultra marathon along National Cycle Route 8 from Glasbury to Merthyr Tydfil. This quadrennial event offers a well supported route through the Heart of Wales with unique finishers medals.

Experience the rugged beauty of Brecon Beacons National Park with a choice of 10, 20, or 40 mile trail races. Navigate mountain ridges and forest paths in this supported event starting from Gilestone Farm.

Experience an endurance event through the Black Mountains and the Blaenavon World Heritage Site. Choose between three distances and tackle historic mountain climbs and scenic canal paths starting from Abergavenny.