Trail Running calendar near Sudbury 2026-2027

Enjoy a summer run along the scenic Marriott's Way starting from Whitwell and Reepham Railway Station. This charity event offers untimed 5km and 10km routes to support breast cancer reconstruction services.

A last person standing backyard ultra at Gosfield School in Essex where runners repeat *4.167-mile* loops each hour until one runner remains. The event includes camping, showers, a small aid station and a prize for the winner.

Test your endurance at Frylands Wood by running four miles every hour until only one runner remains. Enjoy full support with on site facilities, refreshments, and a dedicated rest area as you push your limits.

Take on a legendary mud run in the Surrey countryside featuring over 100 obstacles across a permanent assault course. Choose from 5km, 7km, or 10km distances for an unforgettable test of endurance and teamwork.

Experience a flat trail run through the scenic Alexandra Gardens with stunning views of Windsor Castle. Choose between 10k and half marathon distances with chip timing and free race photos included in a historic UK setting.

Take on the Muntjac 15, a 15 mile trail around Danbury Essex with 1600 ft of climbing across scenic woodland and technical singletrack. Enjoy a well stocked checkpoint, a quality memento and bespoke local trophies.

Experience a scenic out and back trail run through the North Downs Way and Surrey countryside. Choose between a full or half marathon starting from the grounds of Woldingham School.

Experience a scenic trail run through the grounds of Shoreham Woods in Kent. This chip timed 10k event features woodland paths and supports the local environment and dementia research.

MacTuffX Bedford features a series of repeat interval races in solo, doubles, and relay formats. Participants aged 18 and over can choose between 400m and 800m intervals to test their endurance.

Run through the beautiful meadows and forests of the National Trust Ickworth Park in Suffolk. Choose between 5km and 10km routes on a scenic multi-terrain course as the sun sets.

Experience a scenic run along the River Thames starting from the iconic Temple Island Meadows. Choose from a half marathon, 10k, or junior race featuring undulating trails and professional chip timing.

Join a fun muddy obstacle course in Brentwood featuring 5km and 1.5km distances filled with foam and obstacles. Enjoy a non competitive atmosphere with hot wash downs and finisher medals for all participants.

Enjoy a flat and fast riverside run along the Thames in Walton on Thames. This social event offers marathon and half marathon distances on a scenic towpath with chip timing and finisher medals for all participants.

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.

Experience a guided 10km trail run through the North Downs Way and Shere village. Join a social group run starting from the historic Silent Pool near Guildford and enjoy stunning forest scenery at dusk or 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.