Trail Running calendar near Stow Maries 2026-2027

Two self-navigation trail races near Chelmsford: an approximately 16 miles hilly Admiral McHilly Trail and a flatter approximately 6 miles Chelmer Trail. Routes are issued on the day with no markings or GPX files.

A last person standing backyard ultra at Gosfield School in Essex where runners repeat a 4.167 mile loop each hour until one remains. Onsite camping, showers and a small aid station are available for participants.

A Backyard Ultra at Frylands Wood Scout Outdoor Centre on 29th August 2026 where runners complete **four miles** every hour until one remains. The event is listed as sold out.

A mud and obstacle event near Dorking, Surrey with a permanent assault course and a variety of natural and man made obstacles. Race options include 5K and 10K and the event accepts solo runners, teams and charity groups.

30 August 2026 in Alexandra Gardens Windsor offers 10K and half marathon routes with views of Windsor Castle. The event includes chip timing, free race photos and an event village.

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.

A mixed trail and road out and back race from Woldingham School. The half is one 13.1 mile lap and the full is two laps, with notable climbs, varied scenery and on course aid stations and goody bags.

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 on 30 August 2026 at Barkers Lane combines ten Xercises with repeated runs in Classic (10x400m) or 2X (10x800m) formats. Entries available as Solo, Doubles or Relay and participants must be 18 or older.

Day nine of the Duck n Run Totally Quackers series on 30 August 2026 in Walton on Thames features timed laps on a flat riverside out and back course, with distances from a single 3.28 mile lap up to an ultra within seven hours.

A trail event in Felsted on 31 Aug 2026 offering approx 10 miles or 10 km routes with written navigation only and no course markings. Entry includes a sandwich voucher and specific entry and transfer rules apply.

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.

Scenic mixed-terrain races along the River Thames at Remenham Farm on 5 September 2026, featuring a half marathon, a 10K and a junior race. The event offers chip-timed results, themed medals, race photos and an event village with food and d..

A supported trail event along the South Downs Way from Eastbourne to Arundel with 100 km, 50 km and 25 km options, covered rest stops, GPS route marking and camping for multi day participants.

Mud Tribe in Brentwood is a muddy obstacle run with a 5 km course and a 1.5 km family option. The event features achievable obstacles, water elements without full immersion, finisher medals, hot wash downs and no chip timing.

Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.

Women-only obstacle event in Brentwood, Essex featuring a supportive, non-competitive 5 km course for ages 7+. Includes varied obstacles, a finisher medal, hot wash-downs and on-site facilities.

A coastal 7k beach race from Broadstairs to Ramsgate and back on 5 September 2026, organised with local club support. The event features individual and team prizes, on-site refreshments, and a live results feed.

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.

Half marathon and 10k at Wimbledon Common on 6 September 2026, with marked trails, marshals and a 3.5 hour cutoff. An event village offers food, drink and finish line goodies and the event supports the Beder charity.