Trail Running calendar near Semington 2025-2026

The Isle of Wight Ultra Challenge is a premier endurance event held on the stunning Isle of Wight, featuring multiple distance options including 106km, approximately 50km, 25km, and a 10-mile route around Cowes. Participants walk, jog, or run along the scenic coastal path, passing iconic landmarks l..

Rasus y Bannau is a challenging long-distance running event held in Brecon, Wales, featuring three race options: a 100 km ultra with 5100m ascent, a 75 km ultra with 3500m ascent, and a marathon of 43 km with 2000m ascent. All races start and finish in Brecon town center, traversing the scenic and r..

Tempo Trail Races is a trail running event held in the scenic Cotswolds at Ilmington Sports & Social Club, Shipston On Stour, UK. The event offers a variety of race distances including a 100KM Ultra, Marathon, Half Marathon, and 10K, catering to a wide range of trail runners. Launched in 2023, it pr..

Rapid Relays is a dynamic solo and team relay race held at the scenic Culden Faw Estate in Fawley, near Henley on Thames, Oxfordshire. The woodland trail course features estate tracks with gently undulating terrain, including a notable climb just before the 3K mark, followed by a long downhill stret..

BigWayRound - Winchester is an award-winning, Gold-rated trail running event held at Winchester Rugby Club, offering four distances: 14 miles, 19 miles, a marathon, and a 50K ultramarathon. The course features stunning views and traverses iconic trails such as the South Downs Way, Allan King Way, an..

The Tenacious Ten Endurance Challenge is a demanding 10-hour loop race held at Mynydd Troed in the Black Mountains of Wales. Participants tackle a strenuous and technical 3.2-mile (5.1 km) loop featuring a tough climb to the summit with stunning 360-degree views of the Black Mountains, Brecon Beacon..

The Collingbourne Races, held at Crawlboys Farm in Ludgershall, offer a scenic off-road running experience through the beautiful Collingbourne woods. Featuring a half marathon and a 10km race, the course includes bridle paths, woodland tracks, and single-track trails, making it suitable for runners..

The Chiltern Hills 100K is a challenging ultra marathon held in the Chiltern Hills, starting and finishing in Chesham, Buckinghamshire. The 100-kilometer course features an anticlockwise loop passing notable landmarks such as Ashridge Estate, Coombe Hill, and Bledlow Ridge, incorporating sections of..

The Sid Valley Ring Half Marathon is an annual running event held in the scenic Sid Valley area of Devon, England. The 22km course follows the Sid Valley Ring walking route, featuring an uphill start through quiet country lanes and footpaths, climbing to 236m before descending into picturesque villa..

The Centurion North Downs Way 50® is a challenging 50-mile point-to-point trail race along the North Downs Way National Trail, starting in Farnham, Surrey, and finishing at Knockholt Pound near Greater London. The course features a total climb of 5,600 feet and passes through scenic locations includ..

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 Henley River Half Marathon, 10k & Junior Race takes place at Temple Island Meadows, Remenham Lane, Henley-on-Thames, UK. Scheduled for September 5, 2026, this event features a half marathon, 10k, and a junior race, all set on mixed, undulating terrain with scenic views alongside the Thames. The..