Trail Running calendar near West Mersea 2025-2026

The Dirt Half Challenge is an award-winning autumn trail half marathon set in the picturesque surroundings of Leighton Buzzard, Bedfordshire. Participants will enjoy a stunning course that begins in the historic market town and features an anti-clockwise lap of Tiddenfoot Waterside Park. The route i..

The Centurion Wendover Woods 50 is a challenging 50-mile trail race set in the scenic Wendover Woods, featuring five 10-mile loops. The course combines enjoyable wide trails with steep ascents and descents, providing a rigorous test for participants. Runners will benefit from nine well-stocked aid s..

The Governor Backyard Ultra is a unique endurance race held within the historic walls of HMP Hellfire. Participants face a challenging 4.167-mile course every hour, aiming to be the last runner standing for the coveted Governor’s Pardon. This event tests grit and determination, offering an unforgett..

The Rugged Radnage 10K Run is a challenging mixed terrain race set in the picturesque Chiltern Hills near Radnage. Participants will navigate a course that includes roads, trails, and footpaths, featuring both ascents and descents. The event also offers a 5K option, which covers half of the 10K rout..

The Zigzag - 2025 Turkey Trot Challenge is a unique six-hour running event taking place at the Suffolk Running Centre in Bury St Edmunds. Participants can run as far as they wish within the time limit, with the option to rest between laps. This event caters to runners of all levels, from beginners a..

The Kingston 10k is an exciting running event that takes place in Kingston, starting and finishing at the Kingston Hawker Centre. Participants will enjoy a scenic route through the streets of Kingston and along the river towpath. The event promotes community spirit and supports the Kingston Hospital..

The ATW Wendover Woods Trail Run & Canicross is an exciting event set in the picturesque Wendover Woods, scheduled for November 23, 2025. Participants can choose from a variety of distances, including a 5K, 10K, or Half Marathon trail run, as well as a 5K Canicross for those wishing to run with thei..

The Riverside Marathon & Half Marathon will take place in Sunbury-on-Thames on Saturday 29 November 2025. You can run between 13 and 26 miles.

The Box Hill Vertical KM is a unique guided trail run set in the scenic hills of Box Hill, Surrey. This event focuses on tackling challenging elevations, aiming to achieve over 1000 meters of ascent in a relatively short distance. Participants will navigate through diverse terrains, including woodla..

The Zigzag St Andrews Day Challenge is a unique running event taking place at Brandon Country Park in Suffolk. Participants can choose between a 6-hour or 4-hour timed event, running as far as they can on a scenic 5.3k multi-terrain loop through Thetford Forest. This event caters to runners of all l..

The Surrey Hills Half Marathon is a scenic trail running event that takes participants through the stunning landscapes of the Surrey Hills, starting and finishing in Guildford. The route features highlights such as St Martha's Church, the village of Shere, and breathtaking views from Newlands Corner..

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, with the 100-mil..

The Sussex Downs Trail Run takes place in the scenic South Downs National Park, starting from Plumpton Racecourse. Participants can choose between three distances: a 22km Half Marathon, a 12km Standard route, and a 9km option. The course features a mix of flat sections and challenging climbs, offeri..

The Hurtwood 50K, organized by Freedom Racing, is a popular ultra-running event set in the scenic Surrey Hills. This trail race features a fully marked long-distance route, enhanced with additional signage for participant guidance. The event includes regular checkpoints offering food and drinks, mak..

The ATW Grafham Water - Trail & Canicross event invites participants to enjoy a scenic 10-mile trail run around the picturesque Grafham Water reservoir in Cambridgeshire. The route begins on the iconic dam and features beautiful trails through a Woodland Nature Reserve, past Dragonfly Pond, and arou..

The Bauble Bimble is a festive running event taking place at Ferry Meadows, Peterborough, known for its scenic landscapes. Participants can choose between a 6-hour or 4-hour timed event, running laps of a 5.3k multi-terrain course. This event is suitable for runners of all levels, from beginners to..

The Winter Downs 200 is a challenging 200-mile continuous trail run scheduled for December 10-14, 2025. This event features a scenic loop through the South of England, incorporating the North Downs Way, Vanguard Way, South Downs Way, Wayfarers Walk, and St Swithuns Way. Participants have up to 96 ho..

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..

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

'Twas The Run Before Christmas is a festive running event taking place at Brandon Country Park in Suffolk. Participants can choose between a 6-hour or 4-hour timed race, completing laps on a scenic 5.3k multi-terrain course through Thetford Forest. This event is suitable for runners of all levels, w..