Trail Running calendar near London Borough of Enfield 2026-2027

A ten day running series in Walton on Thames from 22 to 31 August 2026 offering daily themed rubber ducks and ten giant spinning ducky medals, with distances from 5 km to ultra and certified out-and-back routes along the Thames towpath.

Combined half and full marathons run through Richmond Park on 23 August 2026, using a lap route from Sheen Gate that follows the Tamsin Trail with aid stations and finishers receiving a medal, mug and buff.

Point-to-point mixed terrain running from Mayflower Park following the Old Way pilgrim trail, with 15 Mile and Marathon options. The route includes a short boat crossing of the Hamble River and passes several historic landmarks.

A South Downs trail running event based at Lancing College offering 5K, 10K, Marathon and 50K routes across grassy trails, chalk paths and ridgelines, with marked, chip-timed courses and aid stations.

Experience a scenic run through the historic Richmond Park on this UK Athletics Affiliated course. Choose between a half or full marathon distance following the trails and private roads of London’s largest Royal Park.

A trail run entirely within Richmond Park offering half marathon and marathon distances, a route past the White House and park lakes, and on-course drinks and feed stations.

A self navigation trail event along the Colne Valley Path with marathon and half marathon distances, stocked aid stations, cupless arrangements, a pre-race shuttle and optional medal choices.

A functional fitness race at Mountbatten Centre Portsmouth on 23 August 2026 offering Solo, Doubles and Relay options across ten Xercises with 400m or 800m run intervals; entrants must be 18 or older and a LITE weight division is available.

A *10 km* trail run on 23 August 2026 over the original, mostly anti-clockwise course. Entry includes a limited edition event T-shirt and finishers’ coffee and cake; race numbers and mobile phone ICE are required.

A trail half marathon across the Dunstable Downs on 23 August 2026, starting from Creasey Park in Dunstable. The self navigated route includes checkpoints, guide runners and a GPX file and offers on site facilities and a finisher medal.

A small field trail race around Ticehurst covering 7.5 km of mainly off road trail, with course marshals, prizes for first male and female, post-race tea and cake, and an entry limit of 60 runners.

A last person standing backyard ultra at Gosfield School in Essex where runners repeat a 4.167 mile loop each hour until one remains. Onsite camping, showers and a small aid station are available for participants.

London Backyard Ultra at Frylands Wood Scout Outdoor Centre on 29 August 2026 asks runners to complete *four miles* each hour until one remains. The event includes parking for one car, hot showers, water, drinks, snacks, and photography.

An outdoor mud and obstacle assault course near Dorking, Surrey, with a permanent course and over 100 natural and man made obstacles. Distance options include 5 km, 10 km or multiple laps for solo runners, teams and charities.

Experience a flat trail run through the scenic Alexandra Gardens with stunning views of Windsor Castle. Choose between 10k and half marathon distances with chip timing and free race photos included in a historic UK setting.

Take on the Muntjac 15, a 15 mile trail around Danbury Essex with 1600 ft of climbing across scenic woodland and technical singletrack. Enjoy a well stocked checkpoint, a quality memento and bespoke local trophies.

A mixed trail and road event starting at Woldingham School with a 13.1 mile out and back course; marathon runners complete two laps. The route follows the North Downs Way and Vanguard Way with varied terrain and open views.

Experience a scenic trail run through the grounds of Shoreham Woods in Kent. This chip timed 10k event features woodland paths and supports the local environment and dementia research.

MacTuffX Bedford on 30 August 2026 at Barkers Lane features ten Xercises and ten runs (400m or 800m) with Solo, Doubles and Relay entry options; a LITE weight division and a detailed leaderboard are available.

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.