Trail Running calendar near Grantchester 2025-2026

The Phoenix Denbies Marathon & Half Marathon is scheduled for June 21, 2025, at the Denbies Wine Estate in Surrey. Participants can enjoy a flexible event with up to 30 hours to complete their race, starting anytime between 8:00 am Saturday and late morning Sunday. The race features a flat, off-road..

P24 - The Longest Attended Day is an endurance running event organized by Phoenix Running, taking place at Denbies Wine Estate in Dorking. Participants are challenged to run 1 mile on the hour, every hour, for 24 consecutive hours. The event features a flat, off-road trail and includes amenities suc..

The NoMad Ultra is an exciting running event featuring a 50-mile, 50km, and Team Relay Challenge, set to take place on June 21, 2025. Participants must possess intermediate navigation skills, as the route is partially marked and follows the scenic Derby Nomad trail in Derbyshire. The event includes..

The Castle Bytham 5k Chase is a popular trail run held during the Midsummer Festival in Castle Bytham, Lincolnshire. Open to runners of all ages and abilities, the event features a fun trail race through scenic surroundings, with registration starting early on the festival day. The race is part of a..

Beyond Trails London is an exciting trail and ultra running event set to take place in June 2025. Participants can choose between a 25km trail route or a challenging 55km ultra route, both of which explore hidden trails and iconic sights around London. The event emphasizes inclusivity, welcoming run..

The Oxford Greenbelt 10km is a scenic running event set in the beautiful Oxfordshire countryside, scheduled for June 21, 2025. This race is part of a larger event that includes a 3km and a 1km run, catering to participants of various ages and abilities. The 10km course features a predominantly off-r..

The Woodland Trail is a running and walking event organized by DENS, offering participants the choice of 5 or 10-mile routes through scenic woodland and nature. This event aims to promote physical activity while supporting local communities facing homelessness and poverty. Participants can enjoy wel..

The Three Shires Way Ultra & Marathon is a running event taking place on June 21, 2025, through the scenic rural landscapes of Bucks, Beds, and Northants. Participants can choose between a 50-mile ultra or a marathon, both suitable for various experience levels. The routes are well-marked along brid..

The Triffic Trail is an annual running event held in the scenic Trent Country Park, Enfield, London. It features a variety of courses, including a 10 km senior race, a 4.5 km junior race for participants under 18, and a 4.5 km fun run for those under 12. The event caters to all levels of runners, fr..

The Dunstable Downs Half Marathon is a challenging trail running event set in the picturesque National Trust's Dunstable Downs estate. Scheduled for June 22, 2025, this rugged half marathon covers a distance of 21.2 km with an elevation gain of over 450 meters, offering runners stunning views and a..

The Midsummer Murder is a trail running event held in the scenic Hambleden Valley near Henley on Thames. Participants can choose between a challenging 10.4-mile course or a 14.3-mile half marathon, both featuring stunning multi-terrain routes with significant hills and off-road sections. The event o..

The Colworth Marathon Challenge is a three-day running event held at the Colworth Estate in North Bedfordshire, UK, from June 27 to June 29, 2025. Participants can choose to run one, two, or all three races, which together total a marathon distance of 26.2 miles. The event features a 5-mile race on..

Cock-a-doodle Dawdle is an exciting running event returning for its second year at the picturesque Hyde Hall Farm in Hertfordshire. Participants can choose from various distances, including 5k, 10k, Half Marathon, Full Marathon, or Ultra Marathon, making it suitable for runners of all levels. The ev..

Royston In Blue is a 5-kilometre fun run/walk taking place in Royston, Hertfordshire, designed to raise funds for the Teenage Cancer Trust. The event features a two-lap trail course over Royston Heath and is open to participants of all ages, with entry fees set at £12 for children under 18 and £18 f..

Woodland Run 2025 is a scenic off-road running event held at Oaken Woods, featuring 5k and 10k courses through woodland trails, gravel, and tarmac. Organized by Beginners2Runners, the race welcomes runners of all levels, including children, with free entry for those under 10. Participants can enjoy..

The Midsummer Munro 2025 is a half marathon event held at Box Hill Fort in Surrey. Celebrating its 20th year, the race features challenging terrain on rough tracks, offering participants stunning views of the North Downs, Mole Gap, Denbies Vineyard, and Dorking. The event is suitable for hearty runn..

The Full Essex Way Ultra is an 82-mile ultra-marathon that takes participants from Epping tube station in London to the historic port of Harwich. The event features a diverse terrain, including mixed trails, footpaths, tracks, and roads, with a total elevation gain of 3,469 feet. Runners will encoun..

The Orion Harriers Forest Five will take place in London on Saturday 5 July 2025. You can run 5 miles.

The ATW Odyssey 12 is an exciting running event that combines physical challenge with personal growth, set against the scenic multi-terrain paths of St Neots. Participants can compete solo, in pairs, or as teams of up to six, tackling a 7km lap course. The event encourages camaraderie and support, f..

The Fen Gallop is an exciting running event held in Willingham, Cambridgeshire, featuring two main races: a 10km (6.2 miles) and a 6.5km (4 miles) multi-terrain course. Participants navigate picturesque flat country roads, footpaths, and bridleways, with both races starting and finishing at the Will..