Trail Running calendar near Corsham 2025-2026

The Chiltern Hills 100K is a 100-kilometer ultra marathon held in the Chiltern Hills, starting and finishing in Chesham, Buckinghamshire. The race features an anticlockwise loop passing iconic landmarks such as Ashridge Estate, Coombe Hill, Whiteleaf Hill, Bledlow Ridge, and Great Hampden, incorpora..

The Centurion North Downs Way 50® is a challenging 50-mile point-to-point ultramarathon held annually along the North Downs Way National Trail in South East England. Starting in Farnham, Surrey, and finishing at Knockholt Pound near Greater London, the course features approximately 5,600 feet of ele..

The Two Tunnels Races, held in Bath, UK, offer a unique running experience featuring the longest underground sections in the UK. The course passes through the historic Devonshire Tunnel (408m) and Combe Down Tunnel (1672m), both well-lit and surfaced for runners, walkers, and cyclists. Starting and..

The Cheddar Gorge Challenge is a scenic running event held at Warren Farm in the Mendip Hills, Somerset, England. Participants can choose from various distances including 1km, 3km, 6km, 10km, half marathon, and marathon, with options for different waves and an Omnium challenge. The course features b..

The RunThrough Marlow Trail Run, held on June 28, 2026, takes place at Marlow Rugby Union Football Club in the scenic Thames Valley. This off-road event offers three distances: Half Marathon, 10K, and 5K, with the 5K consisting of two laps and the others one lap each. The trail features well-marked..

The Birmingham Black Country Half Marathon is a running event held in the Black Country area near Birmingham. Organized by StuWeb Events Ltd., it offers participants a half marathon distance of 13.1 miles. The race takes place in a vibrant atmosphere, showcasing the local community and landscape.Whi..

The Maidenhead Trail Run, held on July 26, 2026, offers a scenic and relaxed running experience in Summerleaze Park, Maidenhead, UK. Participants can choose from 5K, 10K, and Half Marathon distances, all featuring flat, soft trail terrain ideal for runners of all levels. The course loops around peac..

The Henley River Half Marathon, 10K & Junior Race takes place on September 5, 2026, at Temple Island Meadows, Remenham Lane, Henley-on-Thames, UK. This event features a half marathon, a 10K, and a junior race, all set along a scenic route by the Thames. The course offers mixed, undulating terrain wi..