Trail Running Calendar Wales 2026-2027

We have found 128 Trailruns in Wales. Check below where and when you can find the races.

Trail races at Loggerheads Country Park in March 2026 offering 5 km, 5 km Canicross and a new 10 km course across riverside paths, rocky sections and stair climbs for varied trail running conditions.

Tackle a scenic but testing 6.8 km fell course around Dolgarrog with 417 m of climb, hosted at Canolfan Porthlwyd. Entry on the day; minimum age 16 makes it perfect for adventurous runners.

Join a joyful and inclusive 10km run in Abersoch on 8 March 2026. The event fosters community and encourages participants to run, jog, or walk at their own pace with no cut-off times. It's a day focused on health, support, and feeling good.

Trail runners can choose a Half Marathon or 10km route through the scenic Cambrian mountains. The fully signed courses have no cut-off time and include children's races. The family-friendly event village offers local food and supports chari..

Run on the private trails of the Brynkinalt Estate. This two-day festival in March features canicross and standard trail running events over 5 km and 10 km distances, with a finish line at the historic hall.

Experience the wild beauty of the Black Mountains with trail races ranging from 10 to 40 miles. This dog friendly event features fully marked routes and starting facilities in the village of Crickhowell.

Experience the beauty of the Dee Valley in this six mile mountain race reaching the summit of Moel y Gamelin. This high altitude event features significant climbing along the Llantysilio Mountain ridge.

Join this flexible time challenge at Dare Valley Country Park to support local dog rehoming charities. Run as many laps as you wish over seven hours on well maintained paths with full support and themed medals.

Join the final round of the West Glamorgan XC League for a five mile cross country race in Tairgwaith. Experience a team focused event at the Amman Valley Trotting Club with trail shoes recommended for the terrain.

Take on the Red Warrior multi terrain races at Margam Country Park on 22 March 2026, with 5K, 10K and 20K routes for solo runners and canicross teams. Expect varied trails, friendly vibes and a great day out for competitors and their dogs a..

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 Glyders section of the legendary Paddy Buckley Round on this guided 15 km mountain run. Experience 1,830 meters of elevation gain with expert guidance through the heart of Snowdonia National Park.

Explore the Carneddau range on this 16km guided run following the Paddy Buckley Round route. Run from Ogwen Valley to Capel Curig with experienced guides and gain valuable mountain training.

April 2026

A tough trail half marathon in Aberdyfi with 850 meters of climbing. The scenic route runs through the UNESCO Dyfi Biosphere and along the Wales Coast Path. It's a UTMB Index Race for the 20K category.

UTMB Index

The BOWUM is a 30-mile ultramarathon exploring the historic Welsh borderlands. The circular route from Monmouth passes three ancient castles and features a mix of trail and road. This inaugural event offers supported checkpoints and encoura..

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..

Run entirely on the famous, firm sands of Pendine Beach. Choose from five distances, from a 5k to a 32.8-mile ultra, all on a simple out-and-back course. All finishers get a medal, with trophies for the category winners.

Experience the dramatic cliffs and hidden coves of the Glamorgan Heritage Coast with three distance options along the Wales Coast Path ending at Ogmore by sea.

UTMB Index

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.

A 50km ultra run starting and finishing in Pwllheli. The event has a strict no-crew policy and requires mandatory kit. Registration includes a specific refund policy and the option for bib transfers with a fee.