Trail Running calendar near Chiltern Hills 2026-2027

Richmond Park stages combined Half and Full Marathon on Sunday 23 August 2026. The looped park course starts at Sheen Gate, follows the Tamsin Trail through several gates and woodland areas, and includes aid stations and refreshments.

Follow an ancient pilgrim trail along the coast and countryside from Southampton featuring a unique boat crossing over the Hamble River. Choose between a 15 mile or marathon distance with finishes at historic landmarks.

The Trail Trot, formerly The Rings, returns with four scenic distances on the South Downs. Starting at Lancing College, routes mix light trails and pathways, offering views from Lancing Ring to Chanctonbury. The event features full support..

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.

Experience a scenic trail run entirely within the beautiful grounds of Richmond Park. Choose between a half marathon or full marathon distance featuring lake views and wooded paths through this historic Royal Park.

A self navigation marathon along the Colne Valley Path from Stambourne to the Cymbeline meadows in Colchester, with aid stations about every 10 km. Participants must bring a cup or buy a collapsible one and can opt out of a medal to lower t..

Test your endurance at MacTuffX Portsmouth with a unique interval based format. Choose between solo, doubles, or relay categories across multiple distance options for a 10 round fitness challenge.

A last person standing backyard ultra at Gosfield School in Essex where runners repeat *4.167-mile* loops each hour until one runner remains. The event includes camping, showers, a small aid station and a prize for the winner.

A Backyard Ultra event at Frylands Wood Scout Outdoor Centre on 29 August 2026, where runners complete four miles on the hour every hour until one remains. The entry includes a medal, a winner trophy, a rest pitch, showers, parking and even..

Take on a legendary mud run in the Surrey countryside featuring over 100 obstacles across a permanent assault course. Choose from 5km, 7km, or 10km distances for an unforgettable test of endurance and teamwork.

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.

Join this established 10k event in the heart of Worcestershire. Managed by an England Athletics affiliated club, this race offers a professional environment for runners in the Pershore area.

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.

Experience a scenic out and back trail run through the North Downs Way and Surrey countryside. Choose between a full or half marathon starting from the grounds of Woldingham School.

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 features a series of repeat interval races in solo, doubles, and relay formats. Participants aged 18 and over can choose between 400m and 800m intervals to test their endurance.

Test your endurance at a looped off road running event featuring 6, 12, and 24 hour challenges. Enjoy a community atmosphere with on site camping and options for solo runners or relay teams on a flat farm based course.

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.

Experience a scenic run along the River Thames starting from the iconic Temple Island Meadows. Choose from a half marathon, 10k, or junior race featuring undulating trails and professional chip timing.

Join a fun muddy obstacle course in Brentwood featuring 5km and 1.5km distances filled with foam and obstacles. Enjoy a non competitive atmosphere with hot wash downs and finisher medals for all participants.