Trail Running calendar near Berkhamsted 2026-2027

A night trail 10k at Coombe Abbey Park on 30 September 2026. The route runs through woodland, meadows and fields and requires a head or chest torch. Petzl may be on site with demo lamps and water is provided in biodegradable cups.

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 from St Martha's Hill in Guildford along the North Downs Way via Denbies and Box Hill. Group paced and led by an experienced ultra coach, with a recommended prior long run of 22 miles.

Epping Forest 50 km is a 50 km ultramarathon in the Epping Forest area of London on 03 October 2026, listed at Capel Road E12 5DB and associated with a London based ultramarathon event company.

A 25 km EcoTrail event in Bell Common, Epping (CM16 4EA) on 03 October 2026, listed on Camino Ultra’s 2026 race calendar.

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 five-mile chip-timed trail and Canicross event in the Upper Wreake valley celebrating its 10th year, with undulating XC terrain, prize categories, a commemorative medal and a 200-runner limit. Entries close 30/09/2026.

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.

Forest of Bere timed event with flexible start format, a 3.28 mile lap and options from 5 km to ultra. Aid station offers sweet and savoury food including signature potatoes and vegan choices; 20% of proceeds go to Forestry England.

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.

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.

An off road marathon from Salisbury to Winchester on 4 October 2026, run mostly on historic country tracks. The event offers full, half and a five mile mini, includes buses and finisher items, and raises funds for local charities.

An off-road running and walking event around the Charnwood countryside based at Nanpantan Scout Group HQ in Loughborough. Main route is about 10 miles; a 1 mile junior fun run is available with a small on-the-day entry fee.