Trail Running calendar near Tongwynlais 2026-2027

Experience the first official circumnavigation of Dartmoor on this non stop 100 mile journey. This inland ultramarathon follows ancient trails and moorland paths with full support and indoor checkpoints.

Experience a 51 mile journey across the eastern section of Dartmoor National Park. This event features over 2000 metres of ascent and requires previous trail marathon experience and navigation skills.

Test your endurance at the Salt Settlers Six Hour Race by completing as many 4.4km loops as possible. This flat course in the Lower Otter valley offers solo or relay options plus access to an aid station every lap.

Choose between a half marathon, marathon, or ultramarathon in this self-navigation event visiting historic trig points. Navigate the beautiful East Devon landscape and South West Coast Path as a solo participant or in a pair.

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 Stover Country Park and Teigngrace. Enjoy excellent facilities at Stover School including showers, a BBQ, and bespoke medals for all finishers.

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.

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.

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.

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.

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.

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.

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.