Trail Running Calendar Wales 2026-2027

We have found 125 Trailruns in Wales. Check below where and when you can find the races.

Choose your distance in this 7 hour time challenge at Dare Valley Country Park. Enjoy a baking competition, themed medals, and a well stocked aid station on a course featuring scenic parkland views.

A trail event in Afan Forest Park offering two measured routes of about 6.5 miles and 10.5 miles with substantial climb and prize categories. A separate one mile Mini Beast for children includes a finisher medal and sweets.

Experience a point to point mountain ultra from the Black Mountains to Cardiff featuring scenic ridges and historic castles. Choose between 33 or 44 mile distances with indoor aid stations and self navigation along the Cambrian Way.

A fell race in North Pembrokeshire on Sat 29 Aug 2026 covering 8 km with 330 m of climb. Entries are accepted in advance and on the day, and junior Mochyn du races have entry on the day only.

A classic fell race near Machen featuring a 7km course with 365m of ascent. Entry is on the day only for runners over 18. The route demands proper footwear and may require mandatory weather gear.

September 2026

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.

Experience a legendary six day ultra running journey across the rugged mountain spine of Wales. Navigate unmarked terrain from Conwy Castle to Cardiff Castle in this world renowned test of mountain resilience.

UTMB Index

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.

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.