Trail Running calendar near Cardiff 2025-2026

We have found 234 Trailruns within 80 miles of Cardiff. See below where and when you can find the races.

The Crediton Crunch 10K is a multi-terrain running event held in Crediton, Devon, starting and finishing at Queen Elizabeth School, Barnfield Site. The approximately 10-kilometer course is 90% off-road, featuring footpaths, mowed grassland, private farmland, and quiet country roads. Runners navigate..

The Jurassic Coast Ultra Run is a challenging 30-mile trail run along the stunning Jurassic Coast and Isle of Purbeck in Dorset, UK. Starting and finishing at Studland Bay beach, the route features hilly terrain and scenic landmarks such as Corfe Castle, Kimmeridge Bay, Chapman's Pool, Durlston Head..

The Blackdown Hills Trail Run, organized by Prosper Events in South-west England, offers both 10K and half marathon distances starting from Taunton racecourse. The event features a challenging course that includes lively forest trails, muddy paths, peaceful roads, and the highest point in the Blackd..

The Phil and Bonnie Bounder 6K Forest Run takes place in Moreton Forest, Dorset, with the Race HQ at Moreton Village Hall. This scenic 6-kilometer run follows woodland paths through the beautiful forest, finishing with the last kilometer on a quiet country road. The event is open to participants age..

The Westonbirt Arboretum Summer 2025 running event takes place at the National Arboretum in Westonbirt, Tetbury, UK. Participants can choose from distances including 1 mile, 5km, 10km, and a half marathon, all set on a scenic course featuring over 2,500 tree species across five national collections...

The Tour des Marches Challenge Walk is a popular, friendly walking event held in Southwest Shropshire, starting from Wistanstow Village Hall. Participants can choose from three distances: 12, 18, or 26 miles. The scenic, undulating route passes through the Shropshire Hills Area of Outstanding Natura..

The Sourton Tors Fell Race is a traditional off-road fell running event held near Sourton Village Hall on Dartmoor, close to Okehampton. The senior race covers approximately 5 kilometers with a 276-meter ascent, featuring a challenging moorland course that includes compulsory checkpoints such as the..

The Dartmoor Volcano Race is a challenging 10.5-mile trail running event held in Dartmoor National Park, starting and finishing in the village of Scorriton, England. The course features over 550 meters of ascent, including a long uphill start and downhill finish, and traverses rugged moorland terrai..

The CapTEN & Bosun are challenging fell running events held on the Jurassic Coast in Seatown, Bridport, West Dorset. The Bosun is a single lap 5.5-mile (approximately 10 km) race, while the CapTEN is a double lap 11-mile (approximately 10 miles) race. Both courses feature significant elevation gains..

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 beach. The course follows mostly flat terrain along the scenic Tarka Trail, offering participants spectacular views of the North Devon coastline and a route throu..

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 equal parts trail and tarmac, with mostly flat terrain, one gradual climb, and a short steep section, allo..

The Cotswold Way Century is a challenging 102-mile non-stop trail running event held along the Cotswold Way National Trail from Chipping Campden to Bath in Gloucestershire, UK. Participants navigate a hilly course featuring a mix of hard stone tracks, grassy paths, ploughed fields, and some road sec..

The Salmon Run Ultra is a 43-mile ultra-distance running event held along the Exe Valley Way from Exmouth to Dulverton, celebrating the challenging upstream journey of the endangered Exe Atlantic river salmon. Participants can run the full ultra or join a non-competitive team relay with sections ran..

The Maverick X Series Afan Forest 2025 is a trail running event set in the scenic Afan Forest Park, South Wales. Offering four route options—Ultra (50 km, 1133 m elevation), Long (42 km, 970 m), Middle (25 km, 625 m), and Short (10 km, 232 m)—the course features a mix of hard-packed gravel trails an..

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The Cotswold Half Way is a challenging 47-mile non-stop trail running event held along the scenic Cotswold Way National Trail in Gloucestershire, England. Starting in Chipping Campden and finishing in Painswick, the race follows public rights of way with varied terrain including hilly sections, ston..

UTMB Index

The Fraggle Run in Aberdare, hosted by Saturn Running, is a 7-hour time challenge event set in the scenic Dare Valley Country Park. Participants can choose their distance, starting from a minimum of 3km, with laps measuring approximately 4.37 miles (7km) on well-maintained footpaths offering beautif..

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

BigSky Trails (AIR) is the final event in the Classic Element Trail Series, organized by BigFeat Events. Set in the picturesque New Forest National Park, this trail running event offers participants the choice of an 18-mile route or a marathon distance. Runners will experience stunning views and div..

The Bude Pirate Run is an approximately 8-mile trail race held in Bude, Cornwall, starting and finishing at Maer Down near Crooklets Beach. The course features outstanding coastal scenery, varied terrain including trails, fields, wooded areas, and some road sections, with many hills making it a chal..

The Pumsaint Trail Half Marathon is a scenic and challenging race held in the beautiful Cothi Valley near Llanwrda, United Kingdom. Scheduled for September 21, 2025, the event features a hilly half marathon course that offers runners a rewarding trail experience. Alongside the half marathon, there i..