Trail Running calendar near Aylesbury 2026-2027

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 on 23 August 2026 combining ten running segments with ten strength Xercises. Multiple formats are available, including solo, doubles and relay, with standard and double-distance options.

A trail half marathon from Creasey Park across the Dunstable Downs, run mainly on footpaths and bridleways. The self navigated course includes checkpoints and guide runners, a GPX file, on course drink stations and event facilities.

A 7.5 km trail loop around Ticehurst on 23 August 2026 with over 70 percent trail, a fully marked and marshalled course and an entry limit of 60 runners. Facilities are at Ticehurst Village Hall with tea and cake after the run.

A timed, multi-distance event at Ardingly Reservoir with lap-based 7 km out-and-back course, a seven hour limit and flexible start window; finishers receive a donut medal and a no-medal entry option is available.

Two self-navigation trail races near Chelmsford: an approximately 16 miles hilly Admiral McHilly Trail and a flatter approximately 6 miles Chelmer Trail. Routes are issued on the day with no markings or GPX files.

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.

A Backyard Ultra at Frylands Wood Scout Outdoor Centre on 29th August 2026 where runners complete **four miles** every hour until one remains. The event is listed as sold out.

A mud and obstacle event near Dorking, Surrey with a permanent assault course and a variety of natural and man made obstacles. Race options include 5K and 10K and the event accepts solo runners, teams and charity groups.

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 chip timed, multi terrain flat 10 km race around Pershore that starts at Pershore Leisure Centre and finishes in Abbey Park. Entry is online only, limited to 325 places and includes a medal, water and a plum for finishers.

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 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.

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 combines ten Xercises with repeated runs in Classic (10x400m) or 2X (10x800m) formats. Entries available as Solo, Doubles or Relay and participants must be 18 or older.