Trail Running calendar near Brentwood 2026-2027

A one-day community event at Ashtead Peace Memorial Hall offering guided trail runs, workshops and panel conversations to help women build confidence outdoors, with kit trials, food and a raffle.

Seven hour Time Challenge along the River Thames in Staines offering lap based distances from 3km to ultra, with medals, pins, aid stations and goody bags.

A single 50 mile loop through the Chiltern Hills with 5600 ft ascent, five aid stations, full medical support and a 13 hour cut off.

A multi-distance out and back run on 19 September 2026 at Suffolk Running Centre, featuring 5k to ultra options, regular aid stations, parking included and bespoke finisher medals.

Triple Trail Races 2026 in Kent offers 25km, 50km and 100km trail routes that connect the North Downs Way, Greensand Way and Weald Way, finishing at Loddington Farm with a race village, on-site camping and on-course support.

A scenic trail running event at Hambledon Vineyard offering races from 1 km to 20 km, chip timed with trophies and fundraising for Brain Tumour Research and Hambledon Primary School.

A community trail event on 19 September 2026 in Chiddingfold offering 1 km, 5 km and 10 km races, chip timing and medals for the longer distances. The event includes on site music, a bar and barbecue and supports local charities.

Trail races from Clipston Recreation Ground include a half marathon and a 5 mile country trail over bridleways and footpaths with 237 m of ascent. Finishers receive medals and homemade cakes and proceeds support the local recreation field.

A marathon and half-marathon along the Ouse Valley Way in Huntingdonshire on 20 September 2026, finishing at Earith on mostly flat grass, gravel and tarmac paths. The races are registered with the Trail Running Association and insured under..

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 timed lap event in Crystal Palace Park where runners complete 2.65 km laps within a seven hour limit, choosing distances from 5 km to ultra. The off road course mixes tarmac and gravel and all participants receive a bespoke finishers meda..

A guided 10k run at High Lodge in Thetford Forest that combines trail running with local forest facts and practical tips. It is led at a conversational pace in ability groups, with mostly flat terrain and a couple of small hills.

Timed fell run to the highest point in the South Downs at Queen Elizabeth Country Park, with junior and senior races across multiple off road distances.

A five mile trail run on 24 September 2026 at The Viper in Mill Green near Ingatestone. Limited to over 18s with a small field; participants must be self sufficient with phone and headtorch and a tail runner is on course.

A looped trail event from Henley offering 50 km, 25 km and 10 km distances with covered rest stops, GPS tracking and on site camping. Finishers receive a medal, a finisher's t shirt and a post event meal.

Two-day Spartan weekend at Pippingford Park near Nutley, East Sussex, with sprint, super, beast, ultra and kids races plus the British OCR Ultra Championship.

A 10 mile trail race at Chilton Manor Farm featuring private trails, about 240 m of ascent and a one mile Yew Tree lined finishing avenue. The event includes marshals, medics, on course water stations and a pop up cafe.

An overnight backyard ultra at The Waggoners in Welwyn Garden City featuring a repeating 4.167 mile trail loop, official timing, drink vouchers, a commemorative pint glass and a pub athletes menu.

A timed multi lap event on 26 September 2026 in Walton on Thames combining a flat 5.3 km out and back riverside course with a cake themed aid station, multiple distance options and a seven hour time limit.

Three community races at Harcourt Hill, Oxford on 26 Sep 2026 with 10 km, 3 km and 1 km options. The 10 km is mostly off road and includes a section of the Oxford Greenbelt Way; medals and prizes are provided.