Trail Running calendar near Chipping Ongar 2026-2027

A 50 km night loop across the South Downs starting and finishing at Plumpton Racecourse. The course is fully marked with four aid stations, mandatory GPS tracking and chip timing, and awards two ITRA points.

Trail races from 5 km to 51 km start at Queen Elizabeth Country Park and follow chalk ridges, woodlands and the South Downs Way. Timed courses feature outposts, event village facilities and a metal finishers medal.

A guided 30 mile trail run from St Martha's Hill exploring the Surrey Hills and Box Hill with an experienced ultra runner and coach. Group pace, recommended 22 miles training, cost £55 and an alcohol free beer may be available.

An inflatable obstacle course at Kempton Park Racecourse on 3 October 2026 with jumping, bouncing, sliding and swinging. Distance choices include 2.5K, 5K, 10K and 15K and are suitable for ages 5 and up.

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Scenic out and back races along the Thames Path from Petersham & Ham Sea Scouts HQ to Barnes, offered as 10 km, half marathon and marathon options with staffed checkpoints and medical cover.

A Thames Valley LDWA challenge from Marlow with new 25 km, 40 km and 50 km routes through the Hambleden and Stonor valleys, limited to 150 entrants and offering checkpoints, a finish meal and a commemorative badge.

Multi-terrain 10 km and 5 km runs around Thompson, Norfolk, with bespoke medals for all and trophies for top finishers. Proceeds support the Thompson Millennium Green Charitable Trust.

A 50 mile coastal ultramarathon along the Essex saltmarshes, starting at South Woodham Ferrers Rugby Club and finishing at Maldon Promenade Park. Fully supported with aid stations, GPX route files, a shuttle option and a 15 hour cut off.

A community organised 10 km race at Imberhorne School on 4 October 2026 that uses bridleways and residential roads, is fully marshalled and raises funds for local charities.

Half marathon and 10 km races at RAF Greenham Common in Thatcham, Berkshire. The traffic free, flat course has water stations, free parking and a children's race paid on the day for £5; proceeds support New Life Special Care Babies.

The Phoenix Running - Slough will take place in Slough on Thursday 8 October 2026. You can run 5 miles.

A lap based Friday timed run on the Thames towpath offering distances from a single 3.28 mile lap up to ultra distances, with the ten pound charity entry supporting Rays of Sunshine and a special double sided medal.

Looped trail event near Maidstone offering 50 km, 25 km and 10 km options. The route follows the North Downs Way and River Medway and includes covered rest stops, GPS tracking and camping at basecamp.

A backyard ultra at Turvey House where runners complete a 4.167 mile (6.7 km) loop each hour; failing to start a loop on the hour means elimination. Entries include solo, paired teams alternating loops, and an 8 hour day cap.

Trail event in Dunwich on 10 October 2026 offering 10K, half marathon, marathon and ultra across flat coastal terrain. Courses are fully marked, electronically timed and count towards the Endurancelife seasonal leaderboard.

The Beat Box Hill 50k will take place in Tadworth on Saturday 10 October 2026. You can run between 21 and 50 kilometers.

A ten hour lap event at Pippingford Park where participants aim to complete ten laps of roughly three, four or five mile loops. Each lap must finish back at the race village within the hour and the final grade is set by the shortest loop co..

A half marathon and 10K through Epping Forest, London on 10 October 2026, run on marked woodland trails with aid stations, chip timing and an eco friendly focus.

A military‑inspired obstacle mud run at Hever Castle on 10–11 October 2026, offering **3K**, **6K**, and **12K** courses, obstacles modelled on Royal Marines training, a survival experience, and an event village with music and attractions.