Trail Running calendar near Hertfordshire 2025-2026

The Dovedale Dash is a renowned cross-country race covering 4 3/4 miles, attracting 1,200 to 1,400 participants of all abilities. Set in the scenic area around Thorpe near Ashbourne in the Derbyshire Peak District, the course primarily traverses fields, paths, and open ground along the valleys of th..

Bolt Round the Holt is a charity running event held at Alice Holt Forest, aimed at raising funds for GUTS, an organization focused on improving bowel cancer survival through early detection and treatment. Participants can choose from various distances, including a Half Marathon, 10k, 5k, and a Junio..

The Thames Meander Autumn is a scenic riverside race series organized by Hermes Running, taking place along the picturesque Thames Path. Starting from the Petersham & Ham Sea Scouts HQ in Richmond, participants can choose from three distances: 10km, half marathon, and marathon. The course features f..

The Sibelco Templer Ten is a popular multi-terrain 10-mile running event held in the scenic grounds of Stover School, Newton Abbot. The course, which is predominantly off-road, takes participants through the beautiful Stover Country Park and surrounding fields. With a limit of 325 entries, the race..

The Burnham on Crouch 10K, organized by the Rotary Club of Burnham-on-Crouch and Dengie Hundred, is set to take place on October 5, 2025. This scenic race features a flat, single-lap course that showcases coastal paths along the Dengie peninsula and adventurous trails through the countryside. It is..

The Thompson Millennium Green 10K is a scenic multi-terrain race set in Thompson, Norfolk, featuring picturesque pathways and bridleways. The course is designed to be fairly flat, making it an excellent opportunity for participants to achieve personal bests. Runners will receive bespoke medals, with..

The Kent Downs 50 Ultra Challenge is an endurance event taking place in the picturesque Kent Downs, starting and finishing at the Maidstone Basecamp. Participants can choose from three distances: 50 km, 25 km, or 10 km, with a scenic route that includes the North Downs Way, Aylesford, and Leeds Cast..

The Run the Wild Half Marathon - Autumn Edition is a scenic trail running event set in the beautiful Chiltern Hills. Participants will cover approximately 13 miles (21 km) with an ascent of around 300 meters, guided by qualified Run Leaders. This inclusive event caters to all abilities, making it id..

The South Downs Way Ultra Run is a 30-mile trail event that showcases the stunning landscapes of the South Downs Way and its surroundings, including notable sites like Beacon Hill and Kingley Vale. This event is designed for both seasoned and first-time ultra runners, offering a supportive group exp..

The North Chilterns 50K is an ultra marathon set in the picturesque countryside east of Luton, featuring scenic ridgeline trails and breathtaking views. Scheduled for October 12, 2025, the event will start and finish at the Putteridge Bury Estate, allowing participants to explore a diverse 50K cours..

The West Acre Wild 10k Challenge is an exciting off-road running event set in the scenic Norfolk countryside. Participants will navigate a 10K course featuring undulating bridle paths and woodland tracks, with optional obstacles along the way. The route includes a small section of paved road and may..

The Southend Pier Marathon is a unique running event set to take place on the world's longest pleasure pier, stretching 1.34 miles over the sea. Scheduled for October 12, 2025, this marathon offers participants a chance to experience a one-of-a-kind race, making it a world first. The event is limite..

The ATW Holdenby House Trail & Canicross event takes place on the scenic 2,000-acre Holdenby Estate in Northamptonshire, known for its historical significance as a former palace and prison. Participants can choose from various distances: a 5k, 10k, or Half Marathon, with the course offering beautifu..

The Marlow Donkey is a challenge event organized by the Thames Valley LDWA, offering participants the choice of two routes: 16 miles and 25 miles through the scenic Chiltern Hills. The event welcomes both walkers and runners, providing basic refreshments along the route and a simple meal at the fini..

The Centurion Autumn 100 is a challenging 100-mile continuous trail race set in the picturesque villages of Goring and Streatley along the River Thames. The course features a unique cross-shaped route consisting of four 25-mile out-and-back sections that utilize the Ridgeway and Thames Path National..

The Gatliff Marathon is an annual challenge event that offers participants the choice of walking, jogging, or running distances of 25km or 50km through the scenic countryside of Kent, Surrey, and Sussex. This event, organized by the COPSE Club, features different routes each year, with a focus on cr..

The Bedgebury Forest Half Marathon is an exciting running event set in the picturesque Bedgebury Pinetum, Kent. Participants can choose between a half marathon, a 10K race, and a junior 2km run, all taking place on scenic woodland trails. The course offers a challenging yet enjoyable experience for..

The Black Bull 15 Charity Trail Runs is an annual event featuring two trail running options: a 15-mile run and a 15km jog/walk. Scheduled for October 19, 2025, this event supports a chosen charity, with a portion of entry fees donated. Participants can enjoy scenic trails, making it a great training..

The High Lodge Half Marathon - Autumn is a scenic trail running event set in Thetford Forest, known for its diverse wildlife and beautiful landscapes. This circular route spans 13.1 miles, featuring a mix of hard-packed trails suitable for both road runners and trail enthusiasts. Participants can ex..

The Beachy Head Marathon is one of the largest off-road marathons in the UK, renowned for its scenic and challenging route through the South Downs National Park. Formerly known as the Seven Sisters Marathon, it attracts runners, joggers, and walkers alike. The event features multiple races, includin..