Trail Running calendar near Portishead 2025-2026

We have found 260 Trailruns within 80 miles of Portishead. See below where and when you can find the races.

The Haldon Winter Series is a trail running event held in the scenic Haldon Forest, Devon. It offers a variety of distances including 2.5K, 5K, and 10K runs, with options for both trail runners and canicross participants. The course is fully marked and features water points along the way.The event i..

The Westonbirt Arboretum Winter Night Race is an exciting running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which showcase the arboretum's diverse landscapes and solid terrain, providing a unique blend of tra..

The Exeter Half Marathon, organized by Exeter City Community Trust, is a popular running event held in Exeter, UK. The race features a two-lap, 13.1-mile (half marathon) course starting from Piazza Terracina, Haven Road, and follows a scenic route along Exeter’s historic Quayside and Riverside Valle..

The Portland Coastal Marathon is an ultra trail running event held at the Weymouth and Portland National Sailing Academy in Portland, UK. Scheduled for February 8, 2026, it offers a full marathon, half marathon, and 10k distances, catering to all abilities. The course follows the scenic Portland sec..

The Westonbirt Arboretum Winter Day Race is a scenic running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between a 5km or 10km race, with routes that showcase the beauty and diversity of the arboretum's landscape. The event is designed to..

The Trails & Tarmac Backyard Ultra, organized by Limitless Trails, is an endurance running event held near Crickhowell in the Black Mountains, Powys, UK. The race features a 4.2-mile (approximately 4.17 miles) loop combining equal parts trail and tarmac, with mostly flat terrain, one gradual climb,..

XTERRA Matterley is an off-road sporting event held at the scenic Matterley Basin in Hampshire, United Kingdom. Scheduled for February 14-15, 2026, it offers a variety of race formats including duathlons and trail runs suitable for athletes of all levels. The duathlon races feature distances such as..

The Dalwood 3 Hills is a popular multi-terrain running event held in Dalwood, near Axminster, Devon. Scheduled for February 15, 2026, it offers three distances: a challenging 10-mile course featuring hills, mud, and river crossings; a 5km "Dalwood Dash" with similar terrain; and a new 3km "Dalwood D..

The Winter Railway Ultra is a multi-distance running event held along the scenic banks of the River Severn between Ironbridge and Bridgnorth, UK. The course follows a disused railway line, offering outstanding river views and glimpses of the area's industrial heritage. Participants can choose from d..

The Dartmoor Winter Traverse is a fully supported endurance event held on Dartmoor, UK, offering two distances: a challenging 50 km ultra and a 30 km option. Participants run or walk from south to north across some of the most remote and wild parts of the moors, including landmarks like Red Lake, th..

The Two Tunnels Races, taking place in February 2026, offer a unique running experience through Bath's historic underground tunnels, the longest of their kind in the UK. Participants can choose from a variety of distances, including ultra marathons, half marathons, 10km, 5km, and family-friendly Col..

The Hameldown Hammer is a premier trail running event held in Widecombe-In-The-Moor, Dartmoor, featuring three challenging races: the Hammer Half Marathon, the 7EVEN (an 8-mile race), and the inaugural Ultra Hammer. The courses traverse rugged Dartmoor terrain with grassy, rocky, and occasionally mu..

March 2026

The St David's Day Dragon Run 2026, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This 7-hour time challenge allows participants to run distances of their choice, starting from a minimum of 3km. The course features well-maintained footpaths with..

The Brecon to Cardiff Classic is a 70-kilometer ultra running event held annually in Wales, following the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Nantgarw near Cardiff. The fully marked, one-way course showcases diverse landscapes, starting with dramatic mountain scenery..

The Weymouth Bay 10K is a scenic charity fun run held in Weymouth, Dorset, starting at Bowleaze Green near the Riviera Hotel. The course is an accurately measured out-and-back route featuring two laps, extending towards Pleasure Pier and returning via Overcombe. The mostly flat road terrain (88%) of..

The Imber Ultra is an annual trail running event covering over 33 miles, organized by Avon Valley Runners and the Rotary Club of Westbury. Held in the scenic Wiltshire area, the race offers a challenging course with multiple checkpoints, attracting trail running enthusiasts seeking a long-distance a..

The Brecon to Cardiff Xtreme is a challenging 47.5-mile (75 km) winter mountain ultramarathon held in Wales, traversing 11 peaks from Brecon to Cardiff with approximately 2,680 meters of ascent. It demands excellent winter mountain running skills and fitness. The route starts at Brecon’s canal basin..

The Winter GMU is a challenging ultra marathon held annually around the City of Bristol, featuring 30- and 45-mile distances on a scenic loop following the Community Forest Path. The winter edition runs the course anti-clockwise, often presenting muddy and tough conditions, contrasting with the firm..

The Hateful 8 Ultra Loop is an endurance running event held at Bridgend Miniature Railway in Aberkenfig, Bridgend, South Wales. Participants tackle a challenging 9-mile mixed terrain loop featuring a tough hill, scenic road sections with stunning views, and a technical downhill forestry trail. Runne..

The Centurion Hundred Hills 50km is a scenic trail ultra marathon held in the Chiltern countryside, starting and finishing at the historic 850-year-old Stonor Park near Henley-On-Thames, England. The race features two distinct 25km loops, covering a total distance of 50km with approximately 4000ft (..