Trail Running calendar near Builth Wells 2026-2027

Enjoy a flexible 7 hour time challenge at Dare Valley Country Park with distances ranging from 3km to ultra marathons. Finishers earn a themed medal and doughnuts after running through scenic Welsh countryside trails.

Experience a scenic trail half marathon through the Quantock Hills featuring technical forest paths and open moorland. This UTMB index event offers on site camping and a rugged course with stream crossings for all finishers.

Test your endurance at MacTuffX Brierley Hill in October 2026. Choose between 400m and 800m intervals in solo, double, or relay formats for a unique racing experience. This event is open to all participants aged 18 and over.

Experience the bouncy inflatable obstacle course at Cheltenham Racecourse. Choose between several distances and navigate through a series of large inflatables while earning your finisher medal.

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.

Experience a 55 km journey through the scenic Forest of Dean featuring technical trails and river views. This self navigation ultra marathon offers dedicated support and a separate category for Canicross runners.

Run through the scenic woodland tracks of Cannock Chase Forest in this autumn festival featuring trail races for all ages. Enjoy chip timed results and a unique themed medal in a spectacular natural setting.

Experience a multi terrain race over Pen Dinas and Constitution Hill starting from the Aberystwyth Promenade. With distances for both seniors and juniors, runners face climbs on gravel, grass, and rocky paths with coastal views.

Trail races at Loggerheads provide 6 km and 12 km routes, including a 6 km canicross, on marked and marshalled trails in a family friendly park setting. There are no time limits.

Join this flexible 7 hour time challenge at Dare Valley Country Park featuring distances from 3km to Ultra Marathon. Enjoy a well stocked aid station and earn a unique themed medal on scenic parkland paths.

A 50 km trail along the Brenig Way from Corwen to Llyn Brenig with 1450 m ascent, marked waymarkers, a GPX file and three checkpoints offering refreshments.

Blaze the Biblins on 18 October 2026 is a scenic 10k trail race through ancient woods and riverbanks near Ross on Wye. Expect technical single track, climbs including the notorious Demon hill, and a lively village finish.

Join the Aberfan Memorial Run in Merthyr Tydfil to honour the 1966 victims and support the Aberfan Memorial Charity. Choose 5 km to ultra on a scenic tarmac loop along the Taff Trail with flexible start times and official timing.

Keynsham Dandy is an off-road race on Sunday 18 October 2026 around Keynsham. The roughly 12.5 mile course starts at The New Inn and includes the revived Compton Dando route with a stream feature.

Experience the ancient landscapes of the Wyre Forest in this autumn trail run featuring 13 mile and 7.6 mile routes. Participants enjoy marshalled woodland trails with full race timing and finishers medals.

A Halloween-themed running challenge over seven days in Ross-on-Wye. Choose your distance each day on a tough off-road course to earn unique spooky medals. You can run in-person or virtually from anywhere.

The Witches Whisk is a Halloween-themed running event with a flexible distance format. Choose from 5k to ultra and tackle a hilly, off-road course at Pengethley Manor. It's open to runners and walkers, with a 7-hour time limit and a virtual..

The Scary Scamper is an off-road Halloween run with a unique twist. Choose your distance from 5k to Ultra and see how far you can go within a 7-hour limit at Pengethley Manor. You can also join the spooky fun virtually.

The Creepy Crawl is a Halloween themed event where you choose your own distance, from 5k to Ultra, and have 7 hours to complete it. The tough off road course winds through the grounds of Pengethley Manor. A unique spooky medal awaits all fi..

The Ghostly Gallop is a Halloween-themed running event with a spooky twist. Choose your distance from 5k to Ultra and tackle a tough off-road loop at Pengethley Manor, with a 7-hour time limit. You can also run virtually from anywhere and e..