Trail Running Calendar Wales 2026-2027

We have found 142 Trailruns in Wales. Check below where and when you can find the races.

The CWM Elan Back Yard Ultra will take place in Rhayader on Saturday 4 July 2026. You can run 7 kilometers.

This 27-mile ultra marathon starts with a challenging trek up Plynlimon mountain in Wales. Runners then follow the Severn Path to the finish, passing two stocked checkpoints. All finishers receive a medal, technical t-shirt, and head visor.

A five day multistage ultramarathon along the River Severn of approximately 220 miles, each day run as a separate race with bespoke medals and shared hotel accommodation between stages.

A 48-mile point-to-point ultra marathon tracing the River Severn from Mid Wales to Shrewsbury. Participants must maintain a minimum pace to pass checkpoints, with vegan and gluten-free food available. Finishers receive a bespoke medal and t..

Experience the landscape of Eryri National Park with a range of trail races from 10k to a 57km ultra marathon starting and finishing in Llanberis. Run through iconic Welsh landmarks with full course support and chip timing.

UTMB Index

Test your endurance on the highest peak in Wales with a 24 hour ultra trail challenge. Run solo or in a relay team to complete as many ascents of Yr Wyddfa as possible in this UTMB indexed event.

Join the Butterfly Run at Parc Taf Bargoed with rock up and run starts across distances from 5 km to ultra on a scenic tarmac course with a short riverside trail. Staggered starts, aid stations and an optional supersized spinning medal awai..

Explore the limestone cliffs and golden beaches of South Wales in the Gower Peninsula Ultra Challenge. Choose from multiple distances between 10km and 100km with full support and camping at the historic Penrice Castle basecamp.

UTMB Index

Rabbit Run Wales offers stunning trail races on the private Merthyr Mawr Estate. Runners can choose a 12K route over hills, valleys, and sand dunes, or a 40K tour along the dramatic Glamorgan Heritage Coast.

Cross all fourteen 3000ft peaks in Snowdonia on this guided 50km mountain challenge. Choose between a continuous 20-hour push or a two-day journey with expert leaders and full support.

Experience the beauty of the Wales Coast Path with three linear trail races finishing in Cardiff Bay. Choose between 100, 50, or 30 mile distances featuring rugged cliffs, golden beaches, and historic landmarks.

UTMB Index

Test your endurance at this 12 hour night running event in Bridgend. Navigate forest trails and hills across multiple 10 mile loops starting at dusk and finishing at dawn.

Experience the woodland trails and lakeside scenery of Llys y Fran Lake in this professional series event. Featuring a timed path course through Pembrokeshire this trail run offers both ten and five kilometer distances.

Experience a guided three day journey through Northern Snowdonia covering 47 mountain peaks and 9000 meters of ascent. This fully supported 100 km loop offers a professional mountaineering experience in small groups.

A marked fell race in South Wales on 23 July 2026, covering 5.5 km with 315 m of climb. Entry on the day costs £3 and the minimum age is 16. Post race tea and cake are available; bring your own mug.

Event Overview The Beacons Way Ultra 100km is a 100-kilometer (62-mile) ultramarathon. It takes place on Saturday, July 25, 2026, across Bannau Brycheiniog, the Brecon Beacons National Park in South Wales. The route follows the official tra..

A 100 mile mountain ultramarathon following the Beacons Way National Trail through the Brecon Beacons. This self navigation race features over 6000m of ascent and passes the highest peaks in South Wales.

Experience the wild beauty of the Brecon Beacons with a range of trail races from 12km to 110km. This UTMB Index event offers multi-stage and single-day options through the rugged hills of Wales.

UTMB Index

Join this flexible 7 hour time challenge at Dare Valley Country Park where you can run or walk any distance from 3km to an ultra-marathon on scenic well-maintained paths.

Test yourself on the highest peak in South Wales with a 5 or 13 mile trail race up Pen Y Fan. This supported mountain event features chip timing, finisher medals, and routes through the scenic Brecon Beacons.