Trail Running calendar near Marlborough 2025-2026

The Squirrel Challenge is a 6-hour running event held at Daventry Country Park, United Kingdom. Participants run multiple laps of a 3.3-mile off-road loop featuring crushed stone paths through tranquil woods, open grassland, and alongside calming waters. The course is mostly firm and suitable for al..

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 Pilgrim Challenge is a renowned ultra marathon held along the historic North Downs Way in the UK, offering participants the choice to run or walk either 33 miles in one day or 66 miles over two days. The course features stunning landscapes, picturesque villages, and areas of outstanding natural..

The Hibernal Hills 50 Miles is a season-opening ultra running event held at Queen Elizabeth Country Park in Hampshire. This single-loop race covers 50 miles of predominantly trail terrain with approximately 6,400 feet of elevation gain, featuring runnable but undulating paths with some significant h..

The Portland Coastal Marathon is an exciting running event set to take place at the Weymouth and Portland National Sailing Academy. Scheduled for February 9, 2025, it features a full marathon, half marathon, and a 10k, catering to runners of all abilities. Participants will navigate the scenic South..

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 a challenging endurance event held near Crickhowell in the Black Mountains. Participants run a 4.2-mile loop combining 50% trail and 50% tarmac, featuring mostly flat terrain with one gradual climb and a short steep section. The r..

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 near Axminster, Devon, featuring three distances: a challenging 10-mile course with hills, mud, and river crossings; a 5km "Dalwood Dash" offering a shorter but still muddy and hilly route; and a new 3km "Dalwood Doddle" fun run suita..

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..

BigMud Trails (EARTH) is the first event in the Classic Element Trail Series, celebrating the element of Earth. Set in the scenic Meon Valley at Queen Elizabeth Country Park, participants can choose between a 16-mile or marathon distance, both featuring challenging single-lap courses with significan..

The Fitstuff G3 Series No.3 is a running event held at Newlands Corner, Drove Road, Guildford, Surrey. Participants can choose between 10km and 15km race distances. The event offers a scenic course starting and finishing at Newlands Corner, with parking available on-site.Runners can also opt for bun..

The Pitsford Water Trail Races, organized by Race Harborough, take place at Brixworth Country Park in Northamptonshire. This event offers two fully marked and marshaled trail races: a 10k and a half marathon. The 10k provides an ideal introduction to trail running, while the half marathon presents a..

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 Brecon to Cardiff Xtreme is a challenging 47.5-mile (75 km) winter mountain ultramarathon held in Wales, running from Brecon to Cardiff over 11 peaks including Pen Y Fan, the highest peak in South Britain. With approximately 2,680 meters of ascent, the course demands excellent winter mountain ru..

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 unique 7-hour time challenge allows participants to run multiple laps of a 4.37-mile (7km) course on well-maintained footpaths with beautiful countryside views..

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 Winter Green Man Ultra (Winter GMU) is a challenging ultra marathon held annually around Bristol, UK, featuring two distances: 45 miles and 30 miles. The 45-mile race is a full anti-clockwise loop of the Community Forest Path starting and finishing at Ashton Park School, with 3100 feet of elevat..

The Leith Hill Half Marathon is a challenging cross-country race that takes participants from Dorking to the summit of Leith Hill, the highest point in south-eastern England, and back. Spanning 13.1 miles with an elevation gain of 1,800 feet, this event is celebrated for its stunning scenery and sup..

The Hannington Hike will take place in Hannington on Sunday 8 March 2026.