Trail Running Calendar South East (England) 2025-2026

The Midweek Chasing Numbers April event, organized by Saturn Running, invites participants to join a flexible running challenge along the scenic River Thames. This inclusive event accommodates all abilities, including walkers, and allows runners to choose their distance within a 7-hour time frame, w..

The Guided Half Marathon - Winchester will take place in Winchester on Saturday 5 April 2025. You can run 13 miles.

The Chiltern Ridge Classic 50K is a renowned ultra marathon set in the picturesque Chiltern Hills, featuring a scenic route that spans from Berkhamsted Castle to Hampden Meadow in Wendover. Participants will traverse stunning ridgeline trails, including notable landmarks such as Ivinghoe Beacon and..

The Cowdray Estate Trail Run Series, organized by Raw Energy Pursuits, features a variety of running events throughout the year, including the 'Run the Seasons' series. Participants can enjoy scenic routes across the beautiful Cowdray Estate, with options for different distances such as 5km, 10km, a..

The Testway Ultra is an exciting running event set in the scenic landscapes of Hampshire, featuring two challenging distances: 50 miles and 40 miles. The route follows the established Testway footpath, showcasing the region's chalky downs and charming villages. Participants can expect well-stocked a..

The Springtide 50k is an ultra-running event organized by UK Ultra, set in the picturesque town of Arundel, West Sussex. This single-loop race features a non-technical route through the scenic South Downs, making it ideal for both novice and experienced runners. Participants will enjoy breathtaking..

The Henley River Half Marathon, 10k & Juniors is a scenic running event taking place on April 12, 2025, in Henley-on-Thames, UK. Participants can choose from a half marathon, a 10k race, or junior races, all set against the beautiful backdrop of the River Thames. The event features accurately marked..

The Spring Trail Series by Ultra X will take place in Haslemere on Saturday 12 April 2025. You can run between 25 and 75 kilometers.

The Ten In Ten Series - All Ten Days, organized by Saturn Running, is a unique running event taking place in Egham and Staines during Easter 2025. Participants can challenge themselves to complete at least one lap each day over ten consecutive days, with generous time limits allowing for various dis..

The Easter 50 Ultra Challenge is a premier running event taking place in Windsor, offering participants the choice of 50 km, 25 km, or 10 km looped routes. Set against the scenic backdrop of Windsor Great Park and the Thames Path, the event caters to all fitness levels, allowing individuals to walk,..

The Crawley A.I.M. Charity (24 Hour) event is a unique running challenge taking place over a full day, designed to raise funds for charity. Participants will enjoy various amenities, including aid tables with food, snacks, water, and sports drinks, as well as chip timing for accurate results.Awards..

The Centurion South Downs Way 50 is a challenging 50-mile foot race that takes place along the scenic South Downs Way National Trail in England. Starting in Worthing and finishing in Eastbourne, the course features a mix of chalk footpaths and bridleways, with stunning views of the Weald and the Eng..

The Martello Half Marathon, held in Seaford, East Sussex, is a scenic and challenging race that showcases the stunning views of the South Downs and the seafront. Organized by the Seaford Martello Rotary and Seaford Striders Running Club, this event combines beautiful landscapes with a tough trail co..

The Grand National Trail Run in Findon is a charity event organized by Raw Energy Pursuits, taking place during the Grand National weekend on April 13, 2025. Participants can choose between a challenging 10km trail run and a 2km kids' fun run, both set in the scenic South Downs National Park. The ev..

The Canterbury Riverside 10K is a scenic running event that takes place along the picturesque River Stour, connecting Chartham to the center of Canterbury. This traffic-free course is known for being one of the flattest, making it ideal for runners of all levels. Participants start at Chartham Villa..

Running Roulette is an exciting and unique running event where participants can test their luck and endurance. Held at the Linkenholt Activity Center in Andover, Hampshire, this event features three distance options—5, 10, or 15 miles—determined by a spin of a roulette wheel. Runners will not know t..

The Beaconsfield 5 Trail Run is a scenic 5-mile race taking place at the Hall Barn Estate in Beaconsfield, Great Britain. Organized by Burnham Joggers, the event features a looped course that starts and finishes at the Beaconsfield Rugby Club. Participants can enjoy amenities such as changing rooms,..

The Mortimer 10km is a trail running event set in the picturesque Berkshire village of Mortimer. This multi-terrain race features a scenic two-lap course that winds through beautiful woodlands, utilizing footpaths and bridleways. The event is dog-friendly, offering a canicross entry option for parti..

The Chiltern Hills 100K is an ultra marathon event scheduled for April 26, 2025, organized by Runaway Racing. This challenging race takes participants on a scenic 100-kilometer loop through the picturesque Chiltern Hills, starting and finishing in Chesham. Runners will traverse beloved trails, inclu..

The Magna Carta Spring event, organized by Hermes Running, takes place in scenic Runnymede, near the historic site where the Magna Carta was signed in 1215. Scheduled for April 26, 2025, the event features a marathon, half marathon, and 10K race, all starting at the Wraysbury Skiff & Punting Club al..