Trail Running calendar near Bristol 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.

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Experience a scenic 10 mile multi terrain race through the picturesque Stover Country Park and Teigngrace. Enjoy a mostly off road course starting at Stover School with professional facilities and a bespoke finishers medal.

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.

Choose from 25 km, 40 km, or 50 km routes in this self-navigated challenge through the Thames Valley. Starting from Marlow, this event features supported checkpoints and a group meal at the finish.

Take on the Hairy Hands event along the flat Wray Valley Trail. This flexible run lets you choose your distance, from 5km to ultra, on a scenic riverside course. Complete just one lap to earn a finisher's medal.

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 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.

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

The FOOBS Trail and Fun Runs return in October. Choose from a chip timed 10K, 6K, or a family friendly 2K fun run through the countryside near Old Basing. The event supports local schools through community fundraising.

MacTuffX Swindon features a series of repetition based running formats including solo and team categories. Participants choose between multiple 400m or 800m loops in this structured athletic event for adults.

Experience the landscape of the Isle of Purbeck and the Jurassic Coast with three trail distances starting near Corfe Castle. This dog friendly event features technical coastal paths and views of historic landmarks in Dorset.

A 100 mile trail race through Oxfordshire featuring four 25 mile out and back spurs. Runners navigate the historic Ridgeway and Thames Path trails supported by 16 aid stations and full medical coverage.

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.

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.

Roughly 12K trail run on bridle paths and the Imber Range near the Westbury White Horse on 18 October 2026. Limited to 200 places so book early for a bespoke finisher medal and category prizes.

Experience a true multi terrain challenge in the East Devon countryside with routes featuring hills, mud, and river crossings. Choose between three distances starting from Stockland Village Hall for a family friendly atmosphere.

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.