Trail Running calendar near Huntingdon 2026-2027

A Backyard Ultra style 12 hour event at Cadwell Park where runners complete a 6.7 km lap each hour for a potential total of 80.4 km. Categories include solo and pairs plus a six hour non competitive option.

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 six-hour looped running challenge on an approximate 5.45 km course with 71 m elevation, set inside an Area of Outstanding Natural Beauty. A single aid station offers real food and finishers receive a medal for completing one lap.

Nottingham Running Festival at Nottingham Racecourse in Colwick Country Park features a Half Marathon, 10K, 5K and junior race, supports Nottinghamshire Hospice, and includes medals, free photos, chip timed results and an event village.

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.

A mixed terrain trail along the Thames at Remenham Farm in Henley on Thames offering a half marathon, 10K and a junior race, with chip timed results, a themed medal and free race photos.

A Backyard Ultra at Hardwick Hall Estate where runners repeat a 4.16 mile loop every hour until only one remains. The route crosses estate trails, farmland and woodland with on site aid and first aid support.

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.

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.