Trail Running calendar near Builth Wells 2026-2027

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.

A multi-distance running event in Bath that routes through two long, lit railway tunnels and finishes at Brickfields Park; proceeds partly support Sustrans and ticketing for this edition is sold out.

Experience an obstacle course race at the historic Badminton Estate in Gloucestershire. Choose from 5K, 10K, or 21K distances featuring up to 30 obstacles across a fast and flat countryside course.

Join the Crook Peak Cake Race in Axbridge on Wed 19 Aug 2026 for a spirited 3 mile fell challenge across stunning Somerset hills, finishing with cake and community cheer. On the day entry available for runners aged 14 and up.

Experience a self navigating ultra marathon through the rolling hills and green spaces around Bristol. Choose between 30 and 45 mile routes featuring checkpoints, pacers, and a finishers medal or commemorative buckle.

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 scenic trail running at Wimbleball Lake with 5km and 10km routes across the dam. This event features chip timing, custom medals, and dedicated Canicross categories for runners and their dogs.

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.

Join this established 10k event in the heart of Worcestershire. Managed by an England Athletics affiliated club, this race offers a professional environment for runners in the Pershore area.

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.

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.

Test your endurance at a looped off road running event featuring 6, 12, and 24 hour challenges. Enjoy a community atmosphere with on site camping and options for solo runners or relay teams on a flat farm based course.

Experience a 102 mile self navigation mountain race through Snowdonia Eryri National Park. This event features 5172 m of elevation and 11 supported checkpoints for qualified ultramarathon runners.

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 trail running through the Shropshire Hills and The Long Mynd with a choice of 10k, half marathon, or marathon distances starting from the scenic Carding Mill Valley.

Enjoy a scenic trail run through the Staffordshire countryside starting and finishing at a canal side pub. This charity event features a 10k route followed by evening food and music.

Experience a unique run through the National Arboretum on solid forest paths. With distances from 1 mile to a half marathon, this event offers a scenic and flat course for runners of all ages.