Trail Running calendar near Boreham 2026-2027

We have found 475 Trailruns within 80 miles of Boreham. See below where and when you can find the races.

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.

Single-loop 50K trail race around the Chilterns starting and finishing in Berkhamsted on 31 October 2026. The fully marked route includes three full aid stations, one water point, and a required kit list for runners.

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.

Nighttime trail event in Alice Holt Forest on 31 October 2026 offering 5 km laps in 5, 10 and 15 km routes, with an outpost on each lap, self serve water and free parking. Dogs 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

Trail races at Wendover Woods on 1 November 2026 include marathon, half marathon, 10k and a junior run on hilly, multi terrain forest trails with route maps and a six hour cut off.

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.

A night trail run at Stonor Park near Henley on Thames with three route choices from 7 km to 17 km. Headtorch required and headphones and dogs are not permitted.

Nuclear Fallout is a winter mud and obstacle event near Brentwood, Essex offering 6 km, 12 km and an advanced 24 km plus lapped course with dozens to hundreds 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 Chilterns woodland, notable elevation gains, wildlife sightings, outpost support on the longer routes and reusable-cup water stations.

Experience a flat trail run through the heart of royal Berkshire with chip timed results and free race photos. Choose between a 10k or Half Marathon distance starting from the scenic Alexandra Gardens in Windsor.

A remembrance themed seven hour time challenge at Wraysbury Skiff and Punting Club along the River Thames. Distances run from 3 km to 50 km with medals, distance pins, aid tables and goody bags.

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 commemorative timed challenge along the River Thames where runners choose their distance within a 7 hour time limit; finishers from 3 km receive a medal and goody bag and a two minute silence is observed and deducted from finish times.

Join a community of runners at Richmond Park for a series of timed races supporting Movember. Enjoy a hilly tarmac course with distances ranging from a kids mini run to a half marathon in a supportive atmosphere.

A trail Half Marathon on November 8, 2026 following the Grand Union Canal from Cowley to Cassiobury Park in Watford, with chip timing, finisher medal and on-course water stations. Pre-race coach transfer back to the start is available by pr..

A three-day, 84 miles (135 km) ultramarathon along the Ridgeway from Buckinghamshire to Wiltshire, held 13 to 15 November 2026 and based at Tring Rugby Club. Full-package options include accommodation, meals and support; single-day entries..

A 50 mile trail race in Wendover Woods run as five 10 mile loops with 10,000 ft of ascent and descent, nine aid stations and full medical cover. Mandatory kit rules apply and there is a 15 hour cutoff.

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