Trail Running calendar near Hertfordshire 2025-2026

The Let it Stow Half Trail Marathon is a festive-themed 13.1-mile trail race held in Stowmarket, Suffolk, showcasing scenic views of the town and Mid-Suffolk countryside. The course features a mix of woodland, meadows, and quiet country lanes, with well-marked routes including arrows and hi-vis tape..

'Twas The Run Before Christmas is a festive running event held at Brandon Country Park in the heart of Thetford Forest, Suffolk. Participants can choose between a 6-hour or 4-hour timed challenge, running multiple laps of a 5.3 km multi-terrain course featuring gravel footpaths and grass areas. The..

The The Chelmsford Brew Co 12k's of Christmas will take place in Chelmsford on Saturday 20 December 2025. You can run 12 kilometers.

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds. Offering multiple distance options—5k, 10k, half marathon, full marathon, and ultra—the race features a mass start and a seven-hour cutoff. The course is entirely on road, passing through picturesq..

The Christmas Pudding Dash in Pett, near Hastings, East Sussex, is a festive multi-terrain cross country running event celebrating its 20th year. The main race covers approximately 4.2 miles on an undulating, muddy trail through farmland and woods, offering scenic countryside views. Alongside the 5-..

The Elves 11Ish Trail will take place in Maldon on Sunday 21 December 2025.

The Winter Wanderlust 50km is an ultra-trail race held in Kent, UK, starting at Detling Village Hall and finishing at Wye Village Hall. Covering 50 kilometers with approximately 1,000 meters of elevation gain, the course follows the scenic North Downs Way, featuring rolling hills, vineyards, ancient..

The Festive Friston Forest Night Trail Run is a 5-mile self-navigated night trail run held in the scenic countryside of Friston Forest and downlands near Litlington, East Sussex. Participants follow a Strava GPX route, aided by a written narrative and a tail runner for support. The event starts and..

The Winter Woolly 10km is a popular trail running event held annually on December 24th at Elstree School in Upper Woolhampton, Berkshire. Now in its sixth edition, the race features a scenic multi-terrain course covering 10 kilometers with 80% off-road paths, including lanes, footpaths, trails, wood..

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 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 challenging off-road race held around the village of Danbury, starting and finishing at East Hanningfield Village Hall. The 26.2-mile circular course is approximately 95% off-road, featuring diverse terrain and navigated using written instructions rather tha..

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 is a renowned 43-mile ultra marathon starting in Wendover and finishing at Little Venice, London. As the official opener of the UK ultra running season, it attracts runners worldwide to tackle a scenic and challenging course that includes Buckinghamshire countryside, cro..

The Fitstuff G3 Series No.1 is a trail running event held at Newlands Corner, Drove Road, Guildford, Surrey. Participants can choose between 10km and 15km distances, with options to enter single races or bundled series of three runs. The event offers a scenic trail running experience in the Surrey c..

WTF - Where's The Finish? is a unique timed running event hosted by Zig Zag Running at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants choose between a 6-hour or 4-hour challenge, running multiple laps of a 5.3 km multi-terrain course featuring gravel footpaths..

The Northampton 10K is a well-organized running event held at Northampton Racecourse Park, featuring a 2.2 km start followed by three laps around the racecourse. The course is accurately measured and takes place on pathway terrain, offering water stations and first aid support. Participants receive..

The Zigzag - Windmill Way Wander is a multi-distance running event held at the Suffolk Running Centre in Bury St Edmunds, UK. Participants can choose from 5k, 10k, half marathon, full marathon, or ultra distances, all following the scenic Windmill Way route. The course is entirely on road, featuring..

The South Downs & Arundel Winter Trails is a scenic mixed terrain running event featuring 15-mile and marathon distances. The point-to-point course follows the historic Pilgrim Trail, "The Old Way," from Mayflower Park in Southampton to finishes at Titchfield Abbey (15 miles) and Boundary Oak School..

The Crocodile Challenge is a 6-hour running event held at Ryton Pools Country Park in Warwickshire, near Coventry. The course is a runnable, relatively flat 3.3-mile out-and-back loop featuring crushed stone paths, open pasture, and scenic pools. Participants can complete as many laps as they wish w..