Trail Running calendar near London Borough of Richmond upon Thames 2026-2027

London Backyard Ultra is a loop race where runners complete a four mile loop each hour until one runner remains. It takes place at Frylands Wood Scout Outdoor Centre on 29 August 2026 and includes pitches, showers, and race photography.

An obstacle mud run on a permanent assault course near Dorking, Surrey, offering 5 km and 10 km options, multiple laps, and entries for solo runners, teams and charities. The course includes mud, water, walls and climbing obstacles.

30 August 2026 in Alexandra Gardens Windsor offers 10K and half marathon routes with views of Windsor Castle. The event includes chip timing, free race photos and an event village.

A 15-mile trail race near Danbury on 30/08/2026 featuring 1600 ft+ of ascent, technical singletrack, locally made trophies and cash prizes including a course-record bonus.

A mixed trail and road out and back race from Woldingham School. The half is one 13.1 mile lap and the full is two laps, with notable climbs, varied scenery and on course aid stations and goody bags.

A chip-timed 10 km trail race through Shoreham Woods on 30 August 2026, with scenic but challenging sections and entry donations to the woods.

Functional fitness event in Bedford combining ten Xercises with repeated runs; solo, doubles and five-person relays available, age 18+, LITE weights offered.

Day nine of the Duck n Run Totally Quackers series on 30 August 2026 in Walton on Thames features timed laps on a flat riverside out and back course, with distances from a single 3.28 mile lap up to an ultra within seven hours.

Run Winchcombe at Sudeley Castle on 30 August 2026 offers 1k, 5k and 10k routes through castle grounds and up to Belas Knap with medals and finishers' sausages.

Charity walking and running event on 30 Aug 2026 with approx 9.5 and 4.5 mile narrative-route courses, unmarked and hosted by Mid Essex Casuals.

A self-navigated trail event in Felsted on 31 Aug 2026 offering approx 10 miles or 10 km courses, with written route instructions and on-site race HQ at The Chequers.

A sunset trail event at Ickworth Park offering 5K and 10K routes across limestone paths, woodland and meadows. The 10K is chip timed, all finishers receive a medal and the event operates as cupless with water refill points.

A mixed terrain trail along the Thames at Remenham Farm in Henley on Thames offering a half marathon, 10K and a junior race, with chip timed results, a themed medal and free race photos.

A multi-distance trek and trail event along the South Downs Way from Eastbourne to Arundel with scenic sections including Beachy Head and the Seven Sisters. Distances of 100 km, 50 km and 25 km are supported with rest stops, medical teams,..

Mud Tribe is a muddy obstacle-course event near Brentwood, Essex offering 1.5 km and 5 km options with foam, achievable obstacles, finish-line facilities and a female-only wave; under-15s require a paying adult.

Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.

A women only muddy obstacle course in Brentwood, Essex covering 5 km with varied obstacles, wash facilities, a finisher medal and an inclusive, non competitive format.

A coastal 7k beach race from Broadstairs to Ramsgate and back on 5 September 2026, organised with local club support. The event features individual and team prizes, on-site refreshments, and a live results feed.

Point to point 50 km ultramarathon linking Ramsbury Brewery and Renegade Brewery with mostly off-road terrain, four aid stations and a nine hour cut off.

Trail marathon and half marathon in North Hampshire on 05/09/2026, with climbs to 280 m, scenic countryside routes, marked courses, aid stations and chip timing. A Military Cup allows serving units to compete as teams.