Trail Running calendar near Builth Wells 2026-2027

A long-standing mountain race in Eryri, North Wales, tracing a bee-line route from the coast to the summit of Yr Wyddfa on Saturday 5 June 2027. Long and short courses cross rocky summits, technical ridges and grassy slopes.

A multi distance running event in Bath that features long underground sections through the Devonshire and Combe Down tunnels and a city centre start and finish at Brickfields Park. Races range from 500 m Colourburst to an ultra marathon.

A roughly 6 kilometre mixed-surface race through Blaise Castle Estate in Bristol, held annually in early June. The event has individual and team prizes, a minimum age of 16, and facilities based around the clubhouse.

A backyard ultra at Breakheart Quarry where runners repeat a **6706 metre** loop every hour until one person remains; the event includes camping, marked trails and on course support in the Cotswold countryside.

Trail event based at Cirencester with supported 10 km to 100 km options, regular rest stops, medical teams, GPS tracking and basecamp accommodation.

A chip-timed, England Athletics licensed multi-terrain 11.2 km race around Gnosall countryside, starting and finishing at the Gnosall Family Sports Club, plus a separate chip-timed Family Fun Run with 1 km and 0.5 km options.

A 5k obstacle course at Sandwell Valley Country Park on 12 June 2027 featuring grass, paths and woodland with multiple obstacles. Organised by Cancer Research UK, participants fundraise with a minimum target of £50.

A 15-mile point-to-point trail race along the Offa’s Dyke footpath between Hay-on-Wye and Kington, featuring three water stations, two official cut off points, a relay option for two or three runners, baggage transport and on-course safety..

An off-road race series around Cheddar Gorge and the Mendip Hills with distances from 1 km to marathon and an Omnium option; half and marathon hold UTMB index status.

Mid Wales 200 2027 is a running event in Machynlleth UK on Wed 16 Jun 2027, with published entry information, course maps, photos, reviews and results.

A Pretty Muddy 5k at The Downs in Bristol with grass start and finish, mixed terrain and obstacles to climb, crawl and slide. Staggered wave starts apply and the event supports Cancer Research UK with a minimum fundraising target.

A 51 mile mountain and trail race in Southern Snowdonia with 2,898 m ascent, six checkpoints, mandatory kit and a 20 hour cut-off.

Inflatable obstacle course in Cardiff with lap-based distances from 2.5k to 15k, music zones, on-course water and a finisher's medal for every participant.

A weekend festival at the Pinkery Centre in Exmoor National Park combining long distance walks, trail runs and shorter family and kids routes with evening talks and social gatherings.

A 5k obstacle course at Cheltenham Racecourse where participants climb, crawl and slide through a mixed-surface loop while raising funds for Cancer Research UK.

A coastal Woolacombe running event with marathon, half marathon and 10K distances, organised by North Devon Hospice to raise funds for local care.

A canal-side, point-to-point half marathon from Wolverhampton to Birmingham on 3 July 2027, chip timed with seeded waves and race mementos.

Blindfolded navigation challenge in Bath where participants are dropped at unknown locations and must find their own way back to Lulu Caffe without maps or GPS.

A 10 hour loop endurance challenge on Mynydd Troed with roughly 2.7 mile marked laps, about 1,000 ft ascent per lap, solo, pairs and four‑person team entries.

A 5 km grassy obstacle event at Cofton Park where participants climb, crawl and slide through timed waves while fundraising for cancer research.