Trail Running calendar near Danbury 2026-2027

We have found 479 Trailruns within 80 miles of Danbury. See below where and when you can find the races.

Trail running at Billingford Lakes on 27 Sept 2026 using a 5.3 km out-and-back loop on mixed surfaces. Parking and a base-camp aid station are provided; the event is cupless and all finishers receive a bespoke medal.

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.

A community charity event on Sunday 27 September 2026 near Grantchester offering chip-timed 10k and 3k courses through farmland, medals for all finishers, trophies, and fundraising for Maggie’s and Addenbrooke’s Charitable Trust.

A 10 mile trail race at Eridge Park on 27 September 2026 with steep climbs, single track woodland, mud and water crossings on a marked, traffic free route. Finishers receive a memento plus cake and a free pint and trophies are awarded.

A community running event in Manuden on 27 September 2026 with 10k, 5k and 1k races, on-road starts then off-road bridleways, water stations and medals for finishers. Funds raised support Sands, St Clare Hospice and village organisations.

A functional fitness race on 27 September 2026 in London featuring ten Xercises and repeated runs, with Solo, Doubles and Relay formats, standard and LITE weight divisions, and published entry fees for each format.

A multi terrain trail run along the Thames near Marlow offering a Half Marathon, 10k and a 1k Little Sprinters race. The event features chip timing, a finisher medal, on route water stations and an event village with facilities.

Wye Not Wander is an LDWA challenge event in Kent offering 27, 20, 15 and 10 mile routes across the North Downs. The route starts at Wye Village Hall close to the railway station and features chalk valleys with views to the Stour and Elham..

October 2026

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.

Camino Ultra's Epping Forest 50 KM on 3 October 2026 is a 50 km ultramarathon in the Epping Forest area of London, listed at Capel Road E12 5DB. It is part of Camino Ultra's 2026 event programme.

A 25 km trail race in Bell Common, Epping organised by London based Camino Ultra. The event is scheduled for 3 October 2026 at CM16 4EA in the UK.

Night trail races on the South Downs around Plumpton Racecourse begin at dusk and run into darkness, with 50 km, half marathon and 20 mile options. The course is fully marked and supported with aid stations and marshals.

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.

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 charity 5 mile off road trail race through Cawston Park in Norfolk, chip timed and marshalled, raising funds for Norfolk Lowland Search and Rescue with on site parking and refreshments.

A Thames Valley LDWA challenge walk in Marlow offering three mapped routes of about 25km, 40km and 50km with checkpoint cut offs and a 150 entrant limit. Entry fees differ for LDWA members and non members.

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.

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