Trail Running calendar near Guildford 2025-2026

Endurancelife Dorset is a challenging trail running event set along the stunning Jurassic Coast Path near Swanage, a UNESCO World Heritage site. The event offers multiple distances including a 10K, half marathon, marathon, and ultra marathon, with ascents ranging from 774 to 7,027 feet, making it a..

The Sussex Downs Trail Run takes place in the scenic South Downs National Park, starting at Plumpton Racecourse near Lewes, UK. Offering three distances—22km, 12km, and 9km—the event caters to various abilities, including newcomers. The course features a flat 3.5km tree-lined warm-up, followed by a..

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..

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 Winter Downs 200 is a challenging 200-mile continuous trail run held in South East England, starting and finishing at Juniper Hall in Dorking. Scheduled for December 10-14, 2025, the race forms a large loop incorporating five major trails: North Downs Way, Vanguard Way, South Downs Way, Wayfarer..

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 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 will take place in Maldon on Sunday 21 December 2025.

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 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 year, the race features a scenic multi-terrain course covering 10 kilometers with 80% off-road paths, including lanes, footpaths, trails, woodlan..

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 12.5 Mile run is a challenging event set in scenic and potentially snowy conditions, taking place on December 28, 2025. Participants can expect a hilly course that tests their endurance, with a 3.5-hour cut-off time. The event supports The Royal British Legion Poppy Appeal and..

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..