Trail Running Calendar East of England 2025-2026

The Stour Valley Path 100 (SVP100) is a prestigious ultra-running event in England, featuring a challenging 100km route that traverses the scenic Stour Valley, renowned for its picturesque landscapes. Starting in Newmarket, Suffolk, and concluding in Cattawade, Essex, the race showcases the beauty t..

The Cold Norton Charity Summer Half Marathon Trail Event, scheduled for August 10, 2025, offers participants a choice between a 10km and a 13.1-mile route through the scenic countryside of Cold Norton, Essex. This charity event supports Farleigh Hospice, providing essential care for those with life-..

The Gosfield Backyard Ultra is an exciting last-man-standing running event set in the scenic grounds of Gosfield School in Essex, UK. Participants must complete a 4.167-mile loop every hour until only one runner remains. The event emphasizes pacing, as runners must balance speed and endurance to avo..

The Ickworth Sunset Chase is an exciting running event set in the picturesque Ickworth Park, a National Trust estate. Participants can choose between a 5K and a 10K race, both of which feature a multi-terrain course that includes limestone paths, footpaths, woodlands, and meadows. The event is desig..

The Muntjac 15 is an exciting trail race that connects five picturesque woodlands, perfect for enthusiasts of hills, woods, and single-track racing. Scheduled for September 7, 2025, this event offers a unique opportunity to experience the beauty of nature while challenging oneself on a scenic course..

The Thetford Back Yard Ultra is a competitive running event held at High Lodge in Thetford Forest, Suffolk. Participants run 4.167 miles every hour on the hour, continuing until only one runner remains who can complete a loop within the one-hour time limit. This late summer edition of the Backyard U..

The C2C Essex Ultra is an ultramarathon event taking place in September 2025, offering participants the choice of running or walking either 30 or 50 miles along the scenic Essex Riviera. Organized by c2c, the event aims to raise funds for the children's cancer charity Gold Geese, which provides esse..

The Sandridge 10k is a scenic trail running event set in the picturesque village of Sandridge, near St Albans. Participants can enjoy a beautiful 10k course that showcases the natural beauty of the area. The event is organized by Active Training World, and it promises a rewarding experience for both..

The Roman River Trails event offers participants the choice of a half marathon or marathon, featuring self-navigation routes through the picturesque Roman River valley near Colchester. The predominantly hard-packed trail includes sections of tarmac and grass, with several river crossings and some hi..

The The Sudbury Trail Run will take place in Sudbury on Sunday 14 September 2025.

The Norfolk Coastal Trail Marathon and Half Marathon is an exciting running event taking place on September 20, 2025, starting from Holme-next-the-Sea for the full marathon and Burnham Overy Staithe for the half marathon. Organized by Runners-next-the-Sea, this scenic race supports the East Anglian..

The Humanity Direct Tring Ultra is a one-day ultra marathon event set in the scenic Chilterns, designed for both novice and experienced runners. Participants can choose from three distances: a full 50km ultra, a 27km half ultra, or a 10km option. The event not only offers a challenging running exper..

The Lucky Horseshoe is an exciting running event hosted at the Suffolk Running Centre in Bury St Edmunds. Participants can choose from various distances, including 5k, 10k, Half, Full, or Ultra, with a seven-hour cut-off time. The race features a social out-and-back route, allowing runners to enjoy..

The Triple Trail Races, part of the Embrace Ultra event, is set to take place in Kent, featuring two main race options: a 100km Full Loop and a 50km Half Loop. The 100km race is unique as it is the only single-loop ultra marathon in Kent, traversing iconic trails like the North Downs Way and Greensa..

The Ouse Valley Way Half & Marathon is an annual running event taking place in Huntingdonshire, featuring a scenic 26.2-mile marathon and a half marathon. The course runs along the picturesque Ouse Valley, offering a mix of grass, gravel, and tarmac paths. For the 2025 edition, the route will start..

The Trifarm 10K Autumn Trail Run is part of the Trifarm seasonal trail series, taking place at Trifarm in Boreham. This event features a predominantly off-road course, utilizing public footpaths and bridleways. Participants can expect a unique experience as the run starts at dusk and concludes in th..

The Pumpkin Run in Colchester is an exciting running event hosted at Foxes Farm, welcoming participants of all ages and abilities. Runners can choose from a 10K, a fun-paced 5K, or a family-friendly 1K race, all set in a picturesque environment featuring fields, a pumpkin patch, and a corn maze. The..

The 2025 Grantchester Charity Runs will feature a 10k and a 3k race, taking place in the picturesque farmland near Grantchester, Cambridge. This volunteer-run event supports Maggie’s Centre Cambridge and the Addenbrooke’s Charitable Trust (ACT). Both courses are flat and mixed terrain, with no road..

Run Sandringham is an exciting running event series held at the Royal Estate in West Norfolk, featuring various distances including a Half Marathon, 10K, 5K, and a 24-hour solo or team run. Scheduled for multiple dates in 2025, the event aims to attract runners of all abilities while raising funds f..

The London Ecotrail 25 Km is an exciting running event that takes participants through the scenic landscapes of Epping Forest. This eco-friendly trail run emphasizes sustainability and encourages runners to enjoy the natural beauty of the area while promoting environmental awareness. The event is de..