Trail Running calendar near Chelmsford 2025-2026

Winter on the Downs is an ultra-running event featuring two single-loop races of 55 miles and 100 miles, set in the scenic trails of East and West Sussex. Starting and finishing in Eastbourne, participants will traverse iconic landscapes, including Beachy Head and the Seven Sisters. The 55-mile rout..

The Sussex Downs Trail Run is a scenic off-road running event set in the South Downs National Park in Mid-Sussex. Starting from Plumpton Racecourse, participants can choose from three distances: 22km, 12km, or 9km. The course features a mix of flat, trail, and challenging climbs, offering spectacula..

The Hurtwood 50K, organized by Freedom Racing, is a renowned trail ultra event set in the picturesque Surrey Hills. This long-distance race features a fully marked route with additional signage, ensuring participants can navigate easily. The event includes regular checkpoints offering food and drink..

Bauble Bimble is a festive running event held at Ferry Meadows, a scenic country park near Peterborough. Participants can choose between a 6-hour or 4-hour format, running as many laps as they can on a 5.3k multi-terrain course featuring gravel paths and grassy areas. This event caters to runners of..

The ATW Grafham Water - Trail & Canicross is a scenic 10-mile trail running event set around the picturesque Grafham Water in Cambridgeshire. Participants will enjoy a route that begins on the iconic dam and winds through beautiful trails, including a Woodland Nature Reserve and Sanctuary Bay. The e..

The Winter Downs 200 will take place in Dorking from Wednesday 10 December 2025 to Sunday 14 December 2025. You can run 200 miles.

The Let it Stow Half Trail Marathon is a festive-themed running event set in Stowmarket, Suffolk, showcasing the beautiful Mid-Suffolk countryside. Participants will navigate a well-marked 13.1-mile route that includes woodland, meadows, and quiet country lanes. The event emphasizes sustainability b..

The Mince Pi Run - Races of 2 Decimal Places is a unique running event scheduled for December 14, 2025, at Shalford Park, Guildford. Participants can choose to run distances ranging from 3.14 to 31.4 miles, with options for a Pi marathon and a 1-mile fun run for younger children. The course is mostl..

'Twas The Run Before Christmas is a festive running event held at Brandon Country Park in Suffolk, set within Thetford Forest. Participants can choose between a 6-hour or 4-hour race, completing as many laps as possible on a 5.3k multi-terrain course. This event caters to runners of all levels, from..

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra, with a seven-hour cut-off time. The course features an out-and-back route for shorter dis..

The Christmas Pudding Dash is a festive multi-terrain running event held in Pett, near Hastings, celebrating its 20th year. Participants can choose from a 5-mile race, a 2-mile fun run, and a children's scurry, making it a family-friendly occasion. The course features undulating, muddy trails throug..

The Elves 11ish Trail is a unique narrative trail race taking place on December 21, 2025, starting and finishing at the Blackwater Leisure Centre. Participants will navigate a circular route of 11 miles, primarily off-road, using written instructions instead of traditional markers. A well-stocked ch..

The Winter Wanderlust 50km is an exhilarating ultra-trail race set against the stunning winter landscape of Kent. Participants will embark on a scenic journey from Detling to Wye, traversing the North Downs Way, with a mix of challenging climbs and breathtaking views. The event features well-stocked..

The Festive Friston Forest Night Trail Run is a unique 5-mile running event set in the scenic Friston Forest, taking place on December 22, 2025. Participants will navigate the course using Strava GPX on their devices, with a tail runner to ensure safety. The event encourages festive spirit, featurin..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half marathon with 3.5 laps. The event features a supportive atmos..

The Winter Woolly 10km is a popular trail running event held on December 24th at the picturesque Elstree School in Upper Woolhampton, Berkshire. This multi-terrain race offers participants a scenic experience through the beautiful countryside, featuring lanes, footpaths, trails, and woodlands, with..

The Knacker Cracker is renowned as "Britain's toughest 10k," featuring a challenging course that includes significant elevation changes, with a total ascent of 473 meters. The race, set in the scenic surroundings of Box Hill and Denbies Vineyard, offers a unique experience for runners, including a k..

The East Hanningfield Trail Marathon is a unique narrative trail race set in the picturesque village of Danbury. Participants navigate a circular route that is predominantly off-road, covering diverse terrains without marshals or arrows, relying instead on written instructions. The event features th..

Dark Skies Surrey Hills is an exhilarating night trail running event set in the picturesque Surrey Hills, featuring races of 10 miles, 10K, 5K, as well as Canix and children's races for ages 3-11. Participants navigate through enchanting woodlands under the stars, illuminated by headlamps, making fo..

The Country to Capital Ultra Marathon is a 43-mile point-to-point race starting in Wendover and ending near London’s Little Venice. It traverses a mix of country trails, roads, and canal towpaths, crossing the M25 and finishing in a tranquil setting close to Paddington Station. The event attracts a..