Trail Running calendar near Chelmsford 2026-2027

We have found 484 Trailruns within 80 miles of Chelmsford. See below where and when you can find the races.

Scenic 30 mile ultra along the River Stort and Lee navigation, run as a 15 mile out and back on mostly grassy trail and graded footpaths. Trophies for the first three men and the first three women and medals for all finishers.

Pumpkin Plod at Ferry Meadows is a multi-hour lap event on a 5.3 km mixed-surface loop where runners complete as many laps as they choose. Aid is provided each lap and finishers receive an event medal.

Experience a timed anti clockwise loop around Canvey Island featuring sea wall paths and coastal trails. This self supported adventure includes a unique pub check point and follows the scenic King Charles III England Coast Path.

ATW Grafham 5K and 10K take place at Grafham Water Visitors Centre on 25 October 2026. Entry fees range from £24 to £33, the races run alongside the ATW Grafham Duathlon, and camping is available the night before.

An off-road event south of Canterbury offering marathon and half marathon routes across scenic trails and country lanes. Checkpoints, mandatory kit requirements, OpenTracking and Event HQ facilities are provided.

Looped 7K and 10K courses near Chalfont St Peter and Gerrards Cross let entrants choose distances from 7K to 40 mile ultra on the day, with aid station, drop bag access, pacers, crew support and medical cover.

A Halloween-themed night run in Irchester Country Park with a 5k race and a 2k family run. Entry includes a finisher medal, free event photos and a bag of Halloween sweets.

A five mile night trail run at The Plough and Harrow in Litlington on 30 October 2026, self navigated via GPX with a tail runner, timed results, Halloween fancy dress prizes and an age limit of 18 plus.

Single-loop 50K trail race in the Chilterns starting and finishing at Berkhamsted Cricket Club on 31 October 2026. The route uses The Ridgeway and Chiltern Way, has three aid stations, full marking and a nine 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.

A night trail event in Alice Holt Forest on 31 October 2026 using 5 km laps; choose one, two or three laps. Forest tracks, one outpost per lap, reusable cup policy and headphones are not permitted.

An evening Halloween run at Hogmoor with kids races, 6.6K and 10K laps plus a 6.6K canicross. The course has sandy hills, mud and shallow water and races run after dark so a torch is advised.

November 2026

Forest trail races at Wendover Woods on 1 November 2026 include marathon, half marathon, 10k and a junior run over a multi-lap 10 km course with varied, hilly terrain and on-site facilities for spectators.

Petzl Tunnel Vision in Market Harborough is a pair of 5 mile out and back runs on 5 and 6 November 2026, one at night and one at dawn. The route includes the 422 m Oxendon Tunnel with mood lighting and requires a headtorch.

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.

Night trail running at Stonor Park in the Chiltern Hills with three marked and timed routes from 7 km to 17 km. Outposts serve the middle and long courses, reusable cups are required, and headphones and dogs are not permitted.

Nuclear Fallout is a winter obstacle race in Brentwood, Essex offering 6 km, 12 km and 24 km plus options across farmland, woods, lakes and mud, with dozens of natural and man-made obstacles, chip timing and finisher medals.

Experience a scenic trail run through the Bedfordshire countryside starting from Leighton Buzzard. Choose between a classic half marathon or a metric distance featuring canal towpaths, woods, and rolling hills.

Trail running at Stonor Park on 7 November 2026 with three waymarked routes through the Chilterns Area of Outstanding Natural Beauty. Distances range from 7 km to 22 km with steep sections and self serve outposts; bring a reusable cup.

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