Trail Running calendar near Great Dunmow 2025-2026

Blackwater Marathon 2025, the 25th edition, is staged from Drapers Farm Sports Club in Heybridge, Essex. This circular event on the north side of the River Blackwater estuary uses cross‑country footpaths and sections of seawall. Choices are 26.5 miles or 18 miles, with age restrictions: 26.5 miles f..

The Thames Path Trail Run takes place at Windsor Racecourse, offering scenic routes along the picturesque Thames River with stunning views of the river and countryside. Participants can choose between two distances: 21km and 16km, both featuring gentle elevation gains (+66m and +50m respectively). T..

The Stort30 Ultra is a scenic 30-mile ultra marathon held on the border of Hertfordshire and Essex, starting and finishing at the Hockerill Sports and Social Club in Bishop's Stortford. The course follows a flat, fast out-and-back route along the River Stort and Lee navigation, primarily on grassy t..

The Pumpkin Plod is a multi-terrain running event held at Ferry Meadows, part of the expansive Nene Park near Peterborough. Participants can choose between a 6-hour or 4-hour timed challenge, running laps of a 5.3 km course featuring gravel footpaths and grass areas. The event suits all levels, from..

Irchester Spooktacular is a Halloween-themed night-time running event at Irchester Country Park in Northamptonshire. Participants choose between a 5k night run and a 2k Family Fun Run, both on woodland trails and tracks newly routed for the event. The routes are fully marked and marshaled by costume..

The Plough and Harroween is a 5-mile night trail run held in Litlington, East Sussex, starting and finishing at The Plough & Harrow pub. The self-navigated course, run in reverse of the Friston Forest 5 route, traverses countryside terrain including forest, farm tracks, and downlands. Participants m..

Brewery Trail Run is a 6-mile (10 km) trail run through the Chiltern Hills, starting from The Home Office in Tring, about 40 minutes northwest of London. The route traverses scenic trails with some hills, and participants are grouped by ability and may walk steep sections, making it suitable for all..

The Chiltern Ridge Winter 50K is a scenic autumn/winter trail running event held in Berkhamsted, UK. This ultra-distance race covers a challenging 50 kilometers with over 800 meters of elevation, following a single-loop course through the heart of the Chilterns. Runners traverse woodland trails, Ber..

Brutal - Halloween @ Hogmoor is an annual evening running event held at Hogmoor, a former military area now used for recreation. The event features a kids race with a 3.3K loop, and for participants aged 13 and over, options to run 6.6K (2 laps) or 10K (3 laps). The course includes short sandy hills..

The Catherine Wheel Canter, hosted by ZigZag Running at Wodson Park Sports Centre in Ware, Hertfordshire, is a unique track running event held as part of the Fireworks Festival of Running. Participants can choose from distances including 5k, 10k, half marathon, full marathon, 50k ultra, or a 6-hour..

The Fireworks 50 is a 50-mile running event hosted by Zig Zag Running at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Now in its fourth year, this race is part of the Fireworks Festival of Running and offers runners a chance to set course records on a traffic-free 400m athletics tra..

Winter Warrior 50km Ultra is a winter trail ultramarathon organized by Boghopper Races Ltd. The 50km course runs from Trowse, Norwich to the finish at Hope Church, Diss, following the Boudicca Way. It stays on a well-marked route through Caistor St.Edmund, Stoke Holy Cross, Saxlingham, Tasburgh, Fri..

The Leigh-on-Sea 10k is an after-dark, multi-terrain running event held in Leigh-on-Sea, featuring both 10k and 5k distances, including a juniors' 5k for ages 11-15. Scheduled for early November, the race offers a spooky Halloween-themed atmosphere with mandatory head or body torches and optional fa..

The Wendover Woods Marathon, Half Marathon & 10k is a scenic autumn trail running event held in Wendover Woods, Buckinghamshire. The race features multi-terrain, hilly courses with significant climbs, making it a challenging yet rewarding experience for novices, seasoned runners, and marathoners see..

Tunnel Vision is the Everyone Active Night and Dawn Runs in Market Harborough. The out-and-back 5-mile race features the Oxendon Tunnel, 422m long, lit with mood lighting but still requiring a headtorch. The hard-packed track can be run in road or trail shoes, though the tunnel surface has ruts and..

Enigma Fireworks is a running event taking place on November 7th and 8th, 2025, at Caldecotte Lake in Milton Keynes. The event features both a marathon and a half marathon on each day, with participants completing scenic laps around the lake. Runners can expect a supportive environment with race bri..

The The Druid's Challenge will take place in Tring on Friday 7 November 2025. You can run 86 miles.

Freedom Racing stages the 5 Trails Ultra and 3 Trails Half at Westerlands, Graffham, near Petworth in the South Downs (GU28 0QJ). The day offers two distances: a 50km Ultra that weaves five long-distance trails—Serpent Trail, New Lipchis Way, West Sussex Literary Trail, Monarchs Way and the South Do..

The Dirt Half Challenge is a popular, award-winning half marathon trail race held in Leighton Buzzard, Bedfordshire. The course features a stunning and challenging route that begins in the historic market town and includes an anti-clockwise lap of Tiddenfoot Waterside Park. Runners then follow the s..

Canvey Island Trail Run is a timed, self-supported anti-clockwise loop around Canvey Island, starting and finishing at Waterside Farm Leisure Centre. Organised by Multisport Management and supported by Canvey Island Council, the course mostly runs along the seawall, mixing concrete paths with trails..