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 179 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!
October 2026
Trail races near Toppesfield on 04 Oct 2026 offering about 10 miles or 6.2 miles with self navigation, UK Athletics rules, and limited parking.
A backyard ultra at Turvey House where runners complete a 4.167 mile (6.7 km) loop each hour; failing to start a loop on the hour means elimination. Entries include solo, paired teams alternating loops, and an 8 hour day cap.
Trail running in Dunwich on 10 October 2026 with measured routes from 6.3 to 32.6 miles across beach, moorland, forest and grass.
Trail Half Marathon and 10K in Epping Forest, London on 10 October 2026 with marked routes, chip timing, eco measures, and limited parking.
Trail half marathon in the Chiltern Hills covering about 13 miles with grouped pacing, run leaders, a refreshment point, on site parking and a finisher medal.
A looped 20 mile trail race from inside the 18th Century Landguard Fort, crossing two nature reserves, two estuaries and the Port with three on course stations.
Trail races around Grafham Water on 11 October 2026 offering 10k and half marathon routes with marked trails, water stations, medals and pre event merchandise.
A single-lap 10K on 11 October 2026 around Burnham on Crouch, featuring sea wall coastal paths and countryside trails. The event is based at Dengie Hundred Sports Centre with free parking, facilities and post-run food and drink.
A circular 13.1 miles trail race at High Lodge in Thetford Forest featuring mixed hard packed and forest paths, a cupless water policy, and a 3.5 hour cut off.
Guided 16k trail run at High Lodge in Thetford Forest with conversational pace, forest facts, running tips, parking charged £3 and an entry fee of £17.50.
A scenic approximate 15 km trail race around Tring and the Ashridge Estate with marshals, water stations, team prizes and a finisher snood.
Timed, lapped run at Old Warden on 16 October 2026 with flexible start times, distances from one 3.28 mile lap to ultras and a seven hour limit.
Inflatable obstacle course in Norwich on 17 October 2026, offering 2.5K to 15K options, music zones, finisher medals and family-friendly entries.
A guided 10 miles through the Chilterns along canals, reservoirs and past Britain’s oldest post windmill, with trail instruction and a finisher’s medal included.
An off-road 10 km through undulating bridle paths and woodland around Westacre, Norfolk, featuring optional obstacles, a ford crossing near the finish, on-site registration, a water point at 5 km, refreshments and a bespoke medal for all entrants.
A lap-based timed charity run in St Neots on a 5.3 km out and back course, held in partnership with a local school and the charity KiSS. Multiple distance options are available and Phoenix Running will donate five pounds from each entry to support Ki..
Ely Tri Club Runfest on 18 October 2026 offers multiple distances from 10 km to a 66 km ultra. Routes are mostly flat and traffic free with course maps, on-course food and drink, and a few obstacles such as steps and stiles.
A chip timed 5K loop through Sapiston and Honington on mixed terrain in the Black Bourn Valley, with marshals, a tail runner, refreshments and bespoke finisher medals.
A 30 mile out and back trail ultra along the River Stort with checkpoints every 5 miles, enforced halfway and overall cut offs, electronic timing and finishers medals.
A timed multi lap event at Ferry Meadows on a 5.3 km traffic free loop, run in 4 or 6 hour formats with an aid station each lap and HQ at the Lakeside Centre.