Trail Running calendar near Brentwood 2026-2027

Nuclear Mud Sisters is an empowering women only obstacle course in Essex featuring a 5km muddy challenge. This non competitive event focuses on teamwork and fun with no chip timing or swimming required.

Experience a unique beach run from Broadstairs to Ramsgate and back. This 7 km event follows the coastline at low tide and features individual awards as well as team prizes for groups of three.

Explore the trails around the mysterious Silent Pool on a guided 10km evening run. The route passes through Netley Heath forest and the village of Shere, with the group running together at a steady pace. Head torches are available for night..

Experience an autumn trail run through the footpaths and bridleways of Boreham. This 10k event features a sunset start with a scenic off road route and a seasonal championship point system for participants.

A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.

Traverse the ancient Boudicca Way on this 50km ultramarathon from Diss to Norwich. Open to runners and walkers this event features scenic Norfolk villages and convenient rail access at both ends.

Experience a scenic trail race around Kent’s beautiful Bewl Water reservoir with four distances ranging from 10km to a 50km ultra marathon.

Walk, jog, or run along England's greatest river from Putney Bridge to Henley-on-Thames in September 2026. Choose from distances including 100 km, 50 km, or a 10K, with full support and multiple start options. It's a scenic Thames Towpath c..

Test your endurance at Thetford Forest in a classic Backyard Ultra format. Run 4.167 mile loops every hour through scenic forest trails until only one person remains or choose the 6 or 12 hour timed options.

Experience the beauty of the Surrey Hills with a choice of 10k, 21k, or 42k trail routes. Enjoy a well organized event featuring chip timing, marked courses, and scenic views from iconic local landmarks.

The The C2C Essex Ultra will take place in Tilbury on Saturday 12 September 2026. You can run between 10 and 50 miles.

Experience the scenic beauty of Surrey at The Farnham Pilgrim Marathon. This event features a 26.2 mile route starting from The Sands Recreation Ground and offers participants spectacular views throughout the course.

Experience a hilly multi-terrain race through the High Weald Area of Outstanding Natural Beauty. Choose between 15k and 30k routes linking historic Norman churches and medieval trails in East Sussex.

Participate in a chip timed trail race through the West Sussex countryside starting in Slinfold. This family friendly memorial event features 10k and 5k routes plus dedicated races for children.

Experience the scenic Roman River valley near Colchester with self navigation marathon and half marathon trail races. This cupless event features hilly terrain across villages and hard-packed trails for a rewarding outdoor experience.

Experience a scenic trail run through the beautiful Hertfordshire countryside starting in the village of Sandridge. This event features a 10k route near the historic city of St Albans with a finish at the local primary school.

Experience a traffic free trail run through the historic Holdenby House estate with distances ranging from 10km to 50km. Enjoy rolling Northamptonshire views and woodland paths on this private country estate.

Run a scenic and undulating 10k on the rough tracks of Ashtead Common, a protected nature reserve. This community event raises money for local charities and promotes environmental sustainability. A 2k fun run is also available for kids.

Join an annual fun run at Barton Abbey in Oxfordshire featuring 10k and 5k courses on undulating on and off road terrain. Enjoy a family friendly event with a flexible fun run to support the Steeple Barton Church.

The Bradenham Blast is a scenic 10km trail race through the Chilterns. The hilly course features beech woodlands and a final 3km downhill stretch. It offers finisher medals, photography, and prizes for top runners and teams.