Trail Running calendar near Caldecotte Lake 2026-2027

A fully marked single loop 50K trail race around the Chilterns starting and finishing in Berkhamsted, with three aid stations, mandatory kit and a nine hour cutoff.

A Halloween themed *6.66 km* trail run in Chelmsford on 31 October 2026 with GPX/Strava route support, fancy dress prizes and a brewery finish offering a medal, drink and crisps.

Night laps by head torch through Alice Holt Forest with three route lengths, one refuel outpost per lap, free parking and a metal finisher medal.

An evening timed run at Riverside Park in St Neots on Halloween offering laps of a 5.3 km out and back course. Head torches are compulsory and all participants receive a finishers medal, with distances from one lap to ultra.

Evening Halloween trail run at Hogmoor with kids 3.3K, adult 6.6K or 10K options, a canicross race, spooky features and medals for finishers.

A timed, lap-based run along the Itchen Way in Winchester with 2.62 mile loops, a seven hour limit, flexible start times, an aid station with vegan options, and a bespoke finisher's medal.

Trail races in Wendover Woods on hilly, multi terrain forest loops with marathon, half marathon, 10 km and a junior run plus on site amenities and parking.

A 10 mile off road trail in Stonehouse near Stroud on 1 November 2026, starting with about one mile uphill followed by nine miles of undulating muddy trails. Canicross runners are welcome and there is a 2 hour 30 minute cutoff.

A chip timed seven mile country race through Garendon Park on 1 November 2026, with prizes, commemorative t shirts and a separate fun run with day entries.

A 7 hour time challenge in the Northampton Washlands with flexible distances from 3 km to 50 km, medals, distance pins, goody bags and aid stations.

An after dark multi terrain 10 km and 5 km event in Leigh on Sea with chip timing, mandatory headtorches and sustainably sourced finishers medals.

Weekend trail event at Rosliston Forest in Derbyshire featuring muddy, technical forest terrain and an entry fee of £41.50.

A 5 mile out and back night and dawn race through the 422 m Oxendon Tunnel with mood lighting, required headtorches, medals and finish line refreshments.

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 17 km, 13 km and 7 km routes, marked courses, outposts on middle and long routes and no dogs allowed.

A November muddy obstacle event in Essex offering 6 km, 12 km and 24 km+ courses with natural and man‑made obstacles including a Deathslide and zip wire.

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 cross country run or walk of approximately 16 miles through the Leicestershire Wolds with on route food stops and fundraising for local charities.

Trail routes of 7, 13 and 22 km through Stonor Park and the Chilterns, with marked courses, wildlife sightings, on-course outposts and free parking.