East of England
Trail Running Calendar East of England 2026-2027
Explore the best trail runs in East of England for 2026-2027! Our updated list features 184 exciting trail runs across the region. Find your next trail run in East of England below and join the trail community at these great events!
August 2026
A trail half marathon from Creasey Park across the Dunstable Downs, run mainly on footpaths and bridleways. The self navigated course includes checkpoints and guide runners, a GPX file, on course drink stations and event facilities.
Two self-navigation trail races in Chelmsford on 23 August 2026: the hilly Admiral McHilly Trail of about 16 miles and the flatter Chelmer Trail of about 6 miles, with written route instructions and no course markings.
Guided group trail run of 10 km through High Lodge in Thetford Forest, led at a conversational pace with groups based on ability. Mostly flat woodland terrain, trail shoes recommended; parking costs £3 and the entry fee is £12.50.
A last man standing backyard ultra on a 4.167 mile loop in the grounds of Gosfield School, Essex. Runners repeat the loop on the hour until one remains; the event includes camping, showers, a small aid station and a £150 winner prize.
A 15-mile trail race near Danbury on 30/08/2026 featuring 1600 ft+ of ascent, technical singletrack, locally made trophies and cash prizes including a course-record bonus.
MacTuffX Bedford on 30 August 2026 combines ten Xercises with repeated 400 m or 800 m runs across solo, doubles and five-person relay formats.
Charity walking and running event on 30 Aug 2026 with approx 9.5 and 4.5 mile narrative-route courses, unmarked and hosted by Mid Essex Casuals.
A self-navigated trail event in Felsted on 31 Aug 2026 offering approx 10 miles or 10 km courses, with written route instructions and on-site race HQ at The Chequers.
September 2026
A sunset trail event at Ickworth Park offering 5K and 10K routes across limestone paths, woodland and meadows. The 10K is chip timed, all finishers receive a medal and the event operates as cupless with water refill points.
Mud Tribe is a muddy obstacle-course event near Brentwood, Essex offering 1.5 km and 5 km options with foam, achievable obstacles, finish-line facilities and a female-only wave; under-15s require a paying adult.
A women only muddy obstacle course in Brentwood, Essex covering 5 km with varied obstacles, wash facilities, a finisher medal and an inclusive, non competitive format.
An ultra endurance event in Heartwood Forest where participants cover four mile loops within a 12 hour window, solo or in relays up to eight people. Winners are decided by distance and all finishers receive a medal.
An inaugural off road half marathon through Donyland Woods, Friday Woods and nearby countryside on Sunday 6th September. Entries were handled online and the event is listed as sold out with 26 entrants.
Scenic Takeley 10 km road race on 6 September 2026 with a one mile children's fun run, chip timing, finishers' medal and technical t-shirt.
A flexible, timed lap event at Grafham Water themed on Fire. Runners choose how many 5.3 km laps to complete on mainly tarmac and gravel paths and receive a bespoke finishers' medal.
Evening 10 km trail run at Trifarm on mostly off road public footpaths and bridleways, part of a four race 2026 series with GPX route and on site parking.
A 50 km ultra on 12 September 2026 following the Boudicca Way from Diss to Norwich, passing Roman sites and South Norfolk villages. Limited to 250 places and licensed by the Trail Runners Association.
Backyard Ultra at High Lodge, Thetford Forest, where runners complete a 4.167 mile loop each hour until one remains; 6 and 12 hour time limited options are available.
A charity ultramarathon along the Thames from Upminster to Southend offering 10, 30 and 50 mile routes on mainly tarmac and hard trails. Organised by c2c to raise funds for Prostate Cancer UK with checkpoints and on-course medical support.
A series of fully marked, fully supported trail and ultra events in the UK that focus on a welcoming, inclusive atmosphere with generous cut-offs and runnable countryside courses.