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
ATW Grafham 5K and 10K at Grafham Water on 25 Oct 2026 offers timed 5 km and 10 km races with camping option, charity fundraising and on site parking.
A countryside walking and running event from Blackmore offering 26 mile figure of 8 and an 18 mile option, and forming part of the Essex and Herts Triple Challenge.
Guided 10 km trail run at High Lodge in Thetford Forest with conversational-paced group runs, trail-running tips, and information about the local forest.
A 10 km night-time self-navigation trail around Thaxted from The Maypole, open to walkers and runners; entry fees include a drinks voucher and support John Webb’s Windmill restoration.
A night time community run in Roudham on 29 October 2026 over a multi terrain 5K loop with led pacing, route maps, and post run drinks and cake.
A single loop 50K trail across the Chilterns from Berkhamsted with 800 m ascent, three staffed checkpoints and a 9 hour cutoff on 31 October 2026.
A Halloween themed 6.66 km trail run in Chelmsford on 31 October 2026 with GPX/Strava route support, fancy dress prizes and a brewery finish offering a medal, drink and crisps.
An evening timed run at Riverside Park in St Neots on Halloween offering laps of a 5.3 km out and back course. Head torches are compulsory and all participants receive a finishers medal, with distances from one lap to ultra.
November 2026
Experience an after dark Halloween themed multi terrain run through Leigh on Sea featuring 10k and 5k routes with chip timing and finisher medals.
Muddy obstacle runs in Brentwood, Essex offering 6 km, 12 km and 24 km plus options across farmland, woods and lakes with dozens of natural and man made obstacles.
Experience a scenic trail run through the Bedfordshire countryside with a choice of a half marathon or metric half marathon along the Grand Union Canal and woodland paths.
Flat Fens route from Cambridge to Ely and Kings Lynn with marathon, 50 mile ultra, relay and 100 mile options plus GPS tracking and generous cut offs.
A Remembrance Sunday trail event in Brightlingsea on 8 November 2026 with live Last Post and a two-minute silence during the race. A looped course offers 10km, half, marathon and a six hour timed option with on-course aid stations.
A lapped Remembrance Run at Ferry Meadows on a 5.3 km traffic-free loop, offered in 4- or 6-hour formats with an aid station each lap.
Experience the longest established trail race in Essex with a self navigated course of 6 or 16 miles starting from a traditional pub in Chelmsford.
An evening 5 km charity trail run in Writtle on 11 November 2026 that donates £2 per entry to Whizz Kidz, with a self guided route and a pub finish.
A three day, 84 miles ultra along the Ridgeway from Buckinghamshire to Wiltshire with overnight stops, accommodation and food options.
Two trail ultramarathon distances along Norfolk's Weavers' Way with inland, marshland and coastal sections finishing at Cromer Pier.
A park-based autumn event at Henham Park offering a chip-timed 10 km and a 1 km fun run with medals and optional race T-shirt.
Walking and running event from Barton-le-Clay Village Hall with 12, 18 and 26 mile routes through undulating countryside and checkpoints on each route.