Trail Running Calendar Wales 2026-2027

We have found 138 Trailruns in Wales. Check below where and when you can find the races.

Experience the beauty of the Brecon Beacons with a 51k or 24k trail run starting from Talybont on Usk. Enjoy a well marked course with stunning hill views and supportive aid stations.

UTMB Index

Explore the Clwydian Hills and Offas Dyke Path in this established North Wales challenge. Choose between 16, 24, or 32 mile routes featuring woodland trails and ridge views for both runners and walkers.

A 12 or 24 hour hill and trail event on Moel Famau where solo runners and teams complete as many 7.2 to 7.5 km laps with roughly 500 m ascent as they can. Camping, feed stations, timing and GPS tracking are provided.

SkyRun Eryri in Rhyd-Ddu, Eryri/Snowdonia stages four mountain races from 16 km to 55 km on 15 August 2026, with large elevation gains, aid stations and a mix of ridgelines, scrambling and technical trails.

Test your speed against a moving locomotive in the scenic landscape of Tywyn Mid Wales. With distances ranging from a toddler trot to a fourteen mile multi terrain course there is a race for every age group.

Experience a spectacular trail event through the Brecon Beacons with four distances ranging from 10k to a 32 mile ultra. Navigate open moorland and mountain escarpments in this dog friendly race starting from Llangattock.

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.

Experience a 30 mile ultra marathon along the scenic ridge tops of the Rhymney Valley Ridgeway Walk in South East Wales with no time limits and full course support.

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.

UTMB Index

Experience a guided 50 km mountain run across the 15 peaks of Snowdonia. This non competitive event features professional mountain leaders, transport, and premium food stations as you traverse the classic 3000 foot giants of Wales.

Run as far as you like at Alice in Runderland, a timed multi lap event at Parc Taf Bargoed with flexible start times and on course support. Choose from one lap up to marathon and earn a bespoke finisher medal.

Test your endurance at this 12 hour backyard ultra in the Black Mountains featuring a unique sprint finish on the final lap. Runners tackle a scenic 4.167 mile loop of trail and tarmac with on site facilities and support.