Trail Running calendar near Mortimer Common 2025-2026

The Hurtwood 50K, organized by Freedom Racing, is a popular late-season ultra running event held in the scenic Surrey Hills. This 50-kilometer trail ultra features a fully signed long-distance route with additional race signage, ensuring clear navigation. The course includes an out-and-back section..

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 New Forest Xmas Trails is a festive trail running event hosted by BigFeat Events, set in the picturesque New Forest National Park. Participants can choose from four distances: 15K, 30K, Marathon, and 50K, all on challenging yet runnable off-road courses. The event begins at Holmesly Campsite, of..

The Mince Pie 10 is a festive 10-mile race held in Peacehaven, East Sussex, organized by Seaford Striders. The multi-terrain course features about six miles of farm tracks and bridleways, with the remaining four miles on quiet roads, including a challenging hill around mile six. Participants can exp..

The Winter Downs 200 is a challenging 200-mile continuous trail run held in South East England, starting and finishing at Juniper Hall, Dorking. Scheduled for December 10-14, 2025, runners have up to 96 hours to complete a giant loop encompassing five major trails: North Downs Way, Vanguard Way, Sou..

The Salcey Forest Christmas 10K, 5K, and Junior Fun Run is a festive trail running event held in Salcey Forest, Northamptonshire. Set amidst beautiful, tree-lined woodland trails, the course features mixed terrain that is virtually flat but can be muddy, making it suitable for both novice and experi..

The Mince Pi Run - Races of 2 Decimal Places is a unique running event held at Shalford Park, Guildford, featuring distances from 3.14 to 31.4 miles, corresponding to 1 to 10 laps of a scenic, mostly flat off-road course with a few hills. There is also a Pi marathon option and a 1-mile fun run shape..

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 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 Slow and Dirty is a festive-themed 19-kilometer trail race held in Sturminster Newton, Dorset, following a level, hard-surfaced route along a former railway line known historically as the "Slow and Dirty" due to its slow trains. The course offers scenic views along the River Stour valley, passin..

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 Plain Crazy (Winter) is a challenging 12.5-mile trail run held in Warminster, featuring a hilly and potentially snowy course that is scenic yet desolate and windy. The event supports The Royal British Legion Poppy Appeal and offers prizes across various age categories for both male and female ru..

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..