Trail Running calendar near West Mersea 2026-2027

Experience a scenic 15 km trail run starting from Tring and traversing the Ashridge Estate. This historic race features the Ridgeway path and provides participants with the choice of a finisher t-shirt or planting a tree.

A circular 13.1 mile trail half marathon at High Lodge in Thetford Forest, featuring mixed forest and hard-packed trails, cupless water stations, manual timing, and a 3.5 hour cut-off; minimum age 17.

Experience the world’s largest inflatable obstacle course at the Norfolk Showground in Norwich. This event features a five kilometer route filled with bouncing obstacles for a physical and unique running experience.

Join this annual cross country challenge through the footpaths of Kent, Surrey, and Sussex. Choose between 25km and 50km distances with full checkpoint support and post event catering included.

Experience an off road 10k through the Norfolk countryside featuring woodland tracks and optional obstacles. Enjoy a unique route with a ford crossing and support the Purfleet Trust at this scenic trail event.

A woodland running event at Bedgebury National Pinetum & Forest on 18 October 2026 offering a half marathon, 10k and junior race with route maps, medals, photos and limited free parking for entrants.

A multi-distance trail weekend at Bede's Prep School BN20 7XL featuring Ultra, marathon, half marathon and 10k races with coastal scenery, notable hills and strong volunteer support.

A 30 mile out and back ultramarathon along the River Stort with mostly flat, mixed trail surfaces, checkpoints every 5 miles and a 4 hour halfway and 8 hour overall cut off. Clubhouse facilities and finishers medals are provided.

A lap based running event at Ferry Meadows with 5.3 km laps and four or six hour timed formats. Distances range from 5k to ultra with an aid station every lap and registration based at the Lakeside Centre.

ATW Grafham 5K and 10K at Grafham Water on 25 October 2026 features 5K and 10K races alongside the ATW Grafham Duathlon. Camping is available and the event supports Alzheimer’s Research UK.

Experience an off road running event south of Canterbury featuring scenic trails through the Kentish countryside. Choose between a way marked half marathon or a self navigated full marathon with full event village facilities.

Explore the Essex countryside on a 26 or 18 mile figure of eight course via Blackmore. This self sufficient event offers multiple checkpoints and a finishers meal as part of the Essex and Herts Triple Challenge.

Looped courses at two venues near Chalfont St Peter let runners choose distances from 7K up to a 40 mile ultra. The format offers drop bag access, an aid station, clear course marking and on course medical cover.

Experience a festive night run through the woodland trails of Irchester Country Park. Choose between 5k and 2k distances featuring themed medals, fancy dress, and spooky marshals for a memorable Halloween experience.

A 5 mile timed, self-navigated night trail on 30 October 2026, run mostly through forest and downland. Fancy dress is encouraged with trophies and a post-run dessert for winners, and a tail runner will sweep the course.

A single-loop 50K trail race around the Chilterns starting and finishing in Berkhamsted. Fully marked route along The Ridgeway and Chiltern Way with three aid stations, mandatory kit requirements and a 9 hour time limit.

Experience a festive 6.66 km Halloween trail run starting and finishing at a local brewery in Chelmsford. Participants enjoy a costume focused event with medals and drinks for finishers in a social atmosphere.

Autumn trail races at Wendover Woods offer marathon, half marathon, 10k and a junior 1k on multi terrain hilly forest loops, with route maps, medals, photos and on-site facilities for spectators.

Two days of marathon and half marathon races around Caldecotte Lake in Milton Keynes on 6 and 7 November 2026, with multi-lap clockwise courses, on-course water and toilets, enforced time limits, and bespoke finisher medals.

Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.