Trail Running calendar near Builth Wells 2025-2026

The 2 Hillforts Hill Race is an exciting running event set to take place in 2024, starting and finishing at Plas Dolben Farm in Llangynhafal. Participants will tackle a challenging course that spans just under 9 miles, featuring a significant ascent of 2500 feet as it navigates the scenic Hillforts..

The Westonbirt Arboretum Summer 2025 running event takes place at the National Arboretum in Westonbirt, Tetbury, UK. Participants can choose from multiple distances including 1 mile, 5km, 10km, and half marathon, with several wave starts for the longer races. The course offers a unique running exper..

The Sandstone Trail Races feature a unique trail running experience in Cheshire and North Wales, offering two concurrent point-to-point races. The event starts at Bickerton Hill National Trust Car Park and concludes at Kelsall Hill Equestrian Centre, providing excellent facilities for participants a..

The Stretton Skyline is a challenging fell running race held near Church Stretton in the West Midlands, organized by Telford Athletics Club. Covering 30.5 km with a total ascent of 1357 meters, the course demands strong navigational skills as it is only partially marked. The route includes rugged te..

The Coln Valley Charity Trail Run, held near Coln St Aldwyns and Bibury, offers 2km, 5km, and 10km trail distances suitable for all ages and abilities. Set in the scenic Coln River valley, the event features mostly grassy, undulating terrain with a mix of cross-country elements, including hay bale h..

The Blackdown Hills Half Marathon is a thrilling trail race held at Taunton Racecourse in Somerset, set amidst the scenic Blackdown Hills. Runners can choose between a 10K or a half marathon, with the latter featuring a challenging course that reaches the highest point in the Blackdowns. The route i..

The Snowdonia Mountain Skills Weekend, hosted by Running Adventures, is a challenging trail running event held in the Nantlle Valley within Snowdonia National Park, UK. Designed for advanced trail runners with recent marathon or ultra experience, the weekend offers guided runs over rugged terrain fe..

The Dare Valley Hateful 8 (Bwlfa Rise) is a challenging ultra running event held at Dare Valley Country Park in Aberdare, South Wales. Participants tackle a rugged 4.8-mile loop featuring technical climbs, mountain views, and fast descents. The goal is to complete as many loops as possible within an..

The Tour des Marches Challenge Walk is a popular annual event held at Wistanstow Village Hall in southwest Shropshire, England. Participants can choose from three distances: 12, 18, or 26 miles, with routes passing through scenic areas including Clun and Bishop's Castle, all within the Shropshire Hi..

TrailFest - Cannock Chase Forest is a multi-distance trail running event held in the scenic Cannock Chase Forest, Staffordshire. It offers four race distances: 10K, half marathon, marathon, and 50K, catering to all levels from beginners to experienced ultra runners. The course is challenging and hil..

Defeat Delamere is a running event held at Delamere Forest, Frodsham, featuring multiple race distances including 5k, 10k, 16k, and a mini-miler for children aged 3 and above. The course offers a scenic and challenging route through the forest with varied terrain, including downhill stretches and st..

The Barney to Beach event is an 8-mile run or walk held in North Devon, starting at Barnstaple Pannier Market and finishing at Crow Point. Scheduled for Sunday, 14th September 2025, the course follows mostly flat terrain along the scenic Tarka Trail, offering participants stunning views of North Dev..

The Trails & Tarmac Backyard Ultra, organized by Limitless Trails, takes place near Crickhowell in the scenic Black Mountains, Powys, UK. This endurance event features a 4.2-mile loop combining 50% trail and 50% tarmac, with mostly flat terrain, one gradual climb, and a short steep section, allowing..

The Maverick X Series Afan Forest 2025 is a trail running event set in the scenic Afan Forest Park, South Wales, known for its mountain biking and hidden trail running gems. Scheduled for September 20, 2025, the race offers four routes: Short (10 km), Middle (25 km), Long (42 km), and Ultra (50 km),..

The Cotswold Way Century is a challenging trail running event covering approximately 102 miles from Chipping Campden to Bath along the scenic Cotswold Way National Trail. Participants have 32 hours to complete the course, which features a variety of terrains, including hilly paths, stone tracks, and..

The Abersoch Half Marathon is a scenic 13.1-mile race held in the charming seaside village of Abersoch on the Llyn Peninsula, North Wales. The course primarily follows roads through the villages of Llanengan, Llangian, and Sarn Bach, culminating in an exhilarating final kilometer along Abersoch Beac..

The Cotswold Half Way is a challenging trail running event covering approximately 47 miles along the scenic Cotswold Way National Trail, starting from Chipping Campden and ending in Painswick. Participants will navigate a hilly terrain featuring beautiful viewpoints and picturesque villages. The eve..

The Conquest of Avalon is a scenic ultra running event held in Somerset, England, finishing in the legendary town of Glastonbury. It offers two distances: a 30-mile and a 50-mile race, both largely following the historic Leland Trail with the 30-miler diverting onto the Lands End Trail. The course f..

The The Brutal Extreme Triathlon will take place in Llanberis on Saturday 20 September 2025.

The Chedworth Roman Trail is a scenic trail running event held near Chedworth Village, Gloucestershire, about 6 miles north of Cirencester. The race offers two distances: a challenging 10-mile single lap and a new 5-mile lap introduced in 2025. Both courses traverse picturesque Cotswold countryside,..