Trail Running calendar near Knettishall 2026-2027

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.

Night and dawn five mile out and back runs through the Oxendon Tunnel with mood lighting and headtorch required. Entries are available as single or both races and finishers receive interlocking medals.

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.

Nuclear Fallout is a muddy, multi-terrain obstacle race in Brentwood, Essex offering *6 km*, *12 km* and a multi-lap *24 km+* option with dozens of natural and man-made challenges.

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.

A Remembrance Sunday trail event in Brightlingsea on 8 November 2026 with live Last Post and a two-minute silence during the race. A looped course offers 10km, half, marathon and a six hour timed option with on-course aid stations.

A three-day, 84-mile (135 km) ultramarathon along the Ridgeway from Buckinghamshire to Wiltshire, with overnights in Watlington and Didcot. The event offers full and single-day entry options and includes accommodation, meals and checkpoint..

Two point to point winter ultras along the Weavers' Way finishing at Cromer Pier, with 50 km and 100 km options, GPX navigation required, limited entries and on-course checkpoints with food and GPS tracking.

Run Henham is a park based running event at Henham Park in Suffolk organised by EPIC Norfolk. It features a 10 km race with chip timing and a 1 km fun run, bespoke medals, charity entry options and on site race facilities.

The Sundon Saunter will take place in Barton-le-Clay on Sunday 15 November 2026. You can run between 12 and 26 miles.

A six-hour lap event at Salcey Forest where participants choose how many 3.5-mile loops to run. Dogs and rucking are allowed, a reduced parking rate is available, and there are options for charity donations or a tree token instead of a meda..

A 10k night trail at Salcey Forest on a marked two lap crushed stone route that can be slippery in wet weather. A head or chest torch is required, Petzl will provide demo kit, and a canicross option runs ten minutes before the main field.

A fully marked trail ultramarathon around Putteridge Bury in the North Chilterns, the 50K features varied ridgeline running, 798 m of ascent, three staffed aid stations and a UTMB World Series index. Entry is limited to 250 runners.

A half-day 10 km trail run around the Chiltern Hills that finishes with a private brewery tour and tasting at Tring Brewery. Groups are split by ability and participants must be able to run 5 km without stopping.

A mostly off road 15k trail at Trifarm near Boreham on 21 November 2026, following public footpaths and bridleways. The anticlockwise route starts by the lake and finishes on the running track beside the road entry.

A gravel trail run around Wantisden Hall in the Suffolk AONB offering three distances of 23 km, 16 km and 9 km on flat forest trails, with marked and timed courses, outposts on longer routes and free parking at the venue.

A six hour lap event at Suffolk Running Centre on 28 November 2026 using a 10.5 km road and trail loop. Runners can complete multiple laps to reach distances from 5k to ultra and will receive a bespoke event medal.

A community charity run in Campbell Park, Milton Keynes offering 1.5k, 5k, 10k and half marathon options with chip timing, medals, refreshments and a fancy dress element to support Movember and men's health.

Trail 5K and 10K races at the Tewinbury estate in Hertfordshire featuring undulating dirt, grass and woodland trails, full waymarking with marshals, a midcourse aid station and chip timing for up to 400 runners.

An 80 mile December ultramarathon across Essex, Suffolk and Norfolk on December 5, 2026, with multiple checkpoints, mandatory safety kit and live tracking that includes an SOS function.