Trail Running calendar near Halstead 2026-2027

Join this flexible timed event along the flat River Thames towpath in Walton on Thames. Complete as many laps as you like over seven hours to achieve distances from 5km to an ultra marathon.

A flat *10 km* trail from Aylsham to Reepham along the Marriott's Way, with five timed start waves, a corporate team option, posted race numbers, bag drop and a free shuttle bus running between start and finish.

A five mile autumn trail run in Mill Green on 24 Sep 2026 with limited entry for over 18s. The event is self sufficient, route is anti-clockwise and a head torch and phone are required.

A 50 km looped trail event from a Henley basecamp through Chilterns countryside, with 25 km and 10 km options. The event offers camping, a Saturday meal, covered rest stops, medical and massage support, GPS tracking and a finishers medal an..

A weekend of Spartan obstacle races at Pippingford Park featuring Sprint, Super, Beast, Ultra and a Kids Race, set on rolling hills and countryside trails. The Ultra includes the British OCR Ultra Championship for British entrants.

A last person standing backyard ultra at The Waggoners pub in Welwyn where runners complete a 4.167 mile loop every hour until a single runner finishes a loop alone. Pub facilities, an athletes menu and limited marquee space are available.

Experience an autumn run through scenic pumpkin fields and farm tracks in Colchester. With 10k, 5k, and 1k distances, this flat off road event features chip timing and a family friendly event village.

Trail running at Billingford Lakes on the Wensum Way with a 5.3 km out-and-back lap, lap-based half and ultra options, on-site aid, included parking, bespoke medals, and a finish coffee and cake.

Run Sandringham on 27 September 2026 features a Half Marathon, 5K and Community Mile around the Sandringham Estate. The event includes chip timing for the Half and 5K, water stations, medical support and on site parking.

Two measured runs through farmland beside Grantchester near Cambridge, with chip timing and medals for all finishers. The event supports Maggie's and Addenbrooke's Charitable Trust and includes on site services and team prizes.

A 10 mile trail race at Eridge Park in Tunbridge Wells featuring steep, narrow climbs, muddy sections and scenic views. Finishers receive a memento and are offered a pint and cake at the finish.

Enjoy a flat riverside run along the Thames with a chocolate themed aid station. Choose your own distance from 5km to ultra marathon within a flexible seven hour time limit.

Experience a scenic off road run through the fields surrounding Manuden with distances of 10k, 5k, and 1k. Enjoy locally organized routes with course water stations and finisher medals for all participants.

MacTuffX London at Wimbledon on 27 September 2026 is a functional fitness race offering Classic and 2X distances with Solo, Doubles, and five-person Relay formats. Ten Xercises alternate with running segments and a LITE weight division is a..

A multi terrain trail event near Marlow offering a Half Marathon, 10k and 1k along the Thames and through countryside. Entries include chip timing, a finisher medal and refreshments, and every entry plants a tree.

A timed track event in Walton on Thames on 2 October 2026 offering 6, 12 and 24 hour formats with chip timing, 400 m laps and distance options from 5 km up to 100 mile equivalents. The track is limited to 100 runners at once.

A single-loop 100 mile trail from Plumpton Racecourse in the South Downs National Park, featuring over 12,000 ft of elevation, 12 aid stations, a 34 hour cutoff and free onsite camping. The race forms part of the South Downs Triple Crown.

Guided 30 mile trail run on the North Downs Way around Guildford on 3 October 2026. Group paced with route support and basic kit guidance, recommended for runners who have completed long training runs.

An inflatable obstacle course at Kempton Park Racecourse on 3 October 2026 offering 2.5k laps and options for 2.5k, 5k, 10k and 15k. The non timed event includes a finisher medal, music zones, water and on site facilities.

Camino Ultra lists the Epping Forest 50 km in London for 3 October 2026, with the published location at Capel Road E12 5DB. The race is shown as part of the organiser's 2026 events programme.