Trail Running calendar near Sunbury-on-Thames 2026-2027

A 15 mile trail run from the beer garden of the Ye Olde Smugglers Inne in Alfriston with two pub checkpoints offering a drink and snack; route GPX and a race narrative are provided and results appear within 24 hours.

Experience a diverse range of multi terrain races including a full marathon half marathon and 10K. This festival offers distances for all levels plus dog friendly runs and a vibrant colour fun run.

Join this road running event in Bury St Edmunds featuring distances from 5k to an ultra marathon. Enjoy scenic undulating routes and a seven hour cut off on the same day as the London Marathon.

A blindfolded navigation challenge near Winchester where participants are dropped at unknown locations and must find their own way back on foot. Options cover six, ten or fifteen mile drops and devices are surrendered at registration.

Experience the beauty of West Sussex at the 22nd Angmering Bluebell Trail Run. Choose from 10km or 10 mile routes, including dog friendly CaniRun options, through stunning private woodland and the South Downs.

Run for a cause through the forest trails of Alice Holt Forest. This charity event supports bowel cancer research with distances from a Junior Run to a Half Marathon. Participants receive a bespoke medal and enjoy a supportive, community at..

Join NOT the London Marathon Run 2026 on Sunday 26 April in Walton on Thames for a flat, certified lap course along the riverside towpath. Choose marathon, half or a 7 hour timed challenge, enjoy flexible starts and a commemorative medal.

Experience a guided 10km trail run through the bluebell woods of the Chiltern Hills. Join expert local guides for a morning of supported running through nature reserves starting from the heart of Tring.

Experience the South Downs National Park on a 28 or 18 mile journey over the Seven Sisters and Cuckmere Haven. Open to walkers and runners, this event features significant elevation and a hot meal at the finish.

Enjoy a picturesque 8km loop through the trails and landmarks of Icklesham. This small scale event offers a fully marshalled course with post race tea and cake at the village hall.

Explore the ancient landscape of the Marlborough Downs and Vale of Pewsey on this circular event featuring routes from 10 to 35 miles passing historic landmarks like Avebury.

Enjoy a flexible 7 hour time challenge along the scenic River Thames in Egham. Run or walk as many laps as you choose to earn a medal and special distance pins at this inclusive midweek event.

Explore the stunning coastal paths and spectacular southern cliffs of the Isle of Wight. Choose from multiple distances up to 106 km with full support, inclusive catering, and basecamp camping options.

Experience a 100 mile point to point trail race following the iconic Thames Path from London to Oxford. This flat and fast course offers a 30 hour time limit through beautiful English riverside scenery and groomed trails.

Experience a guided 30 mile group run through the Surrey Hills featuring the North Downs Way and the Greensand Way. This non competitive ultra includes summits like Leith Hill and expert coaching throughout the journey.

Experience a unique three day event through West Sussex featuring 10 mile and 10k races that combine to form a full marathon. This bank holiday weekend also offers family fun runs and chip timed mile races for all ages.

Run Silchester offers three scenic trail distances starting from the village playing field. The route takes runners past ancient Roman walls, a historic church, and through woodland. The day includes a village market, food stalls, and music..

Experience the scenic trails and woodland paths of Hampstead Heath in this annual charity event featuring chip timed races and a community fun run with views of the London skyline.

Experience an off road five mile race through the picturesque North Wessex Downs. Follow woodland tracks and rural footpaths on a course starting in Hurstbourne Tarrant with all proceeds supporting local charities.

Experience a weekend of trail running in the Cotswolds with distances ranging from a 10K to a 100KM ultra marathon. Starting from Ilmington these UKA regulated races now include a new 50K option for all participants.