Harwich
Trail Running Calendar near Harwich 2026-2027
Explore the top trail runs near Harwich for 2026-2027! We've gathered 22 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
A relaxed trail event with a 5 km run through Rougham sunflower fields, followed by bagels, drinks and DJ music in the field.
A fundraising family 5K colour run at Stowmarket Town FC with multi-terrain routes, colour zones and a BBQ finish, raising funds for the club youth section.
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.
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.
September 2026
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.
The Dedham Run on 13 September 2026 features a 10K road race, a new 10K trail run and a 3K fun run through rural Essex, supporting Dedham Primary School with water stations, race-number collection at The Duchy Field and on-site refreshments.
An autumn running event at Foxes Farm, Colchester on 27 September 2026 offering 10K, 5K and a 1K family dash over traffic-free farm tracks and past pumpkin fields, with chip timing, medals and an event village.
October 2026
A chip timed, multi terrain 5 mile race on 4 October 2026 at Carlton Park, Saxmundham, with prizes and a finishers memento. Junior fun runs of 1 km and 2 km are included with medals for all junior finishers.
A looped 20 mile trail at Landguard Fort on 11 October 2026 crossing nature reserves, estuaries and the Port, with aid stations and race kit included.
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.
November 2026
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 trail event at Wantisden Hall on 28 November 2026 offering 9 km, 16 km and 23 km flat routes through Suffolk AONB woodland.
December 2026
A new winter ultramarathon on 5 December 2026 covering about 80 miles across Essex, Suffolk and Norfolk, with checkpoints, mandatory safety kit and live tracking that includes an SOS function.
Festive-themed half trail in Mid-Suffolk on a well signed 13.1 mile route with cupless hydration, mandatory trail shoes, on-course photography and prizes for top finishers.
A lap-based running challenge at Abberton Reservoir on 20 December 2026. Runners complete repeated 5 km loops on off-road paths, with a free feed station, a medal for all and proceeds supporting Essex Wildlife Trust.
January 2027
A 10 km mixed-terrain trail through medieval Lavenham along a disused railway, manually timed with marshals, cupless water stations and a 16+ age limit.
March 2027
A PARAS'10 event in Friday Woods featuring a 3 mile loop with one to three laps, categories for runners, TAB entrants and canicross. A 2 mile junior race is available for ages 10 to 15.
April 2027
A running festival at Haughley Park, Suffolk with looped courses through pathways and woodland, onsite parking, lap aid station and bespoke finisher medals. Distances range from 5k to ultra marathon.
May 2027
A long-established marathon in North Essex organised by Halstead Road Runners, set on scenic low-traffic roads and part of the Essex Road Running Championships. The event has a 500-runner limit, supports local charities and holds a course measurement..