Trail Running calendar near Brentwood 2026-2027

We have found 510 Trailruns within 80 miles of Brentwood. See below where and when you can find the races.

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.

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.

November 2026

Coastal trail running on West Wittering Beach with 15.3k, 10k and 5k routes across sandy flats and short trails, chip timing, water stations and a finisher medal. Canicross is accommodated and the course is clearly signposted.

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.

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.

Night and dawn five mile runs in Market Harborough that pass through the 422 m Oxendon Tunnel. Headtorch required, entries are £23 single or £40 for both, and all finishers receive interlinking 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.

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.

Trail runs from Goodwood Racecourse into the South Downs National Park with three distance choices and canicross options. The course mixes forest tracks, bridleways and single-track trails with coastal and downland views on clear days.

Night trail running at Stonor Park on 7 November 2026 with three marked routes of 7 km, 13 km and 17 km across Chiltern Hills estate trails. Runners should carry a head torch, bring a refillable cup and note one outpost on the middle and lo..

A winter obstacle race in Brentwood, Essex featuring muddy courses across farmland, woodland and lakes. Distances range from about 6 km to 24 km with dozens to hundreds of natural and man made obstacles and chip timing for participants.

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

A supported endurance event on 7 November 2026 with a 76 km ultramarathon or 36 km run or walk from Aldershot or Petersfield to Portsmouth, featuring break stops, satellite tracking, medical cover and charity fundraising options.

A flat Fens Way event from Cambridge toward Ely and Kings Lynn offering a marathon, 50 mile ultra, relays and a 100 mile option, with GPS tracking, generous cutoffs and on-course support.

The Nuclear Rush will take place in Brentwood on Saturday 7 November 2026. You can run between 6 and 12 kilometers.

A trail event in Windsor on 8 November 2026 offering a 10K and a half marathon on flat off road trails from Alexandra Gardens. The event features chip timing, race photos, post race goodies and an event village.

A commemorative 7 hour Time Challenge at Wraysbury Skiff and Punting Club on the River Thames offering distances from 3km up to 50km on signed mixed terrain laps. Finishers receive medals and distance pins and aid stations include vegan opt..

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.

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