Trail Running calendar near Cambridge 2026-2027

Seven hour timed challenge on a signed Thames-side course at Wraysbury Skiff & Punting Club with flexible starts, medals for 3 km finishers, goody bags including a vegan option, distance pins and on-course aid stations.

Trail races at Wendover Woods feature a half marathon, 10k, 5k and junior race across steep woodland with 181 m of climb. Entries include a themed medal, free photos, chip timing and post race goodies.

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.

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.

Summer community races of 5 km and 10 km from Whitwell and Reepham Railway Station along Marriott's Way, with medals for finishers and fundraising for Keeping Abreast Breast Cancer Reconstruction Support Charity. The races are not timed.

The Galloping Grind 10K will take place in Boreham on Sunday 23 August 2026. You can run 10 kilometers.

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 Backyard Ultra style 12 hour event at Cadwell Park where runners complete a 6.7 km lap each hour for a potential total of 80.4 km. Categories include solo and pairs plus a six hour non competitive option.

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.

Nottingham Running Festival at Nottingham Racecourse in Colwick Country Park features a Half Marathon, 10K, 5K and junior race, supports Nottinghamshire Hospice, and includes medals, free photos, chip timed results and an event village.

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.

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 Vanguard Way starting from Woldingham School. Complete one or two laps to finish the half or full marathon while enjoying expansive views of Kent and Surrey.

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.

A functional fitness race in Bedford on 30 August 2026 with options for Classic (10 x 400m) or Double Distance (10 x 800m), solo and team entries, defined Xercises with weight divisions, and a leaderboard by category.