Trail Running calendar near Newmarket 2026-2027

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.

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.

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.

Night trail running at Stonor Park in the Chiltern Hills on 7 November 2026 with three waymarked routes of 17 km, 13 km and 7 km. Outposts, parking, timed results and finish facilities are provided; dogs are not permitted.

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.

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.

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 and walk across the Leicestershire Wolds, the twenty second Seagrave Wolds Challenge covers about 16 miles of hilly, multi terrain paths and private land, with food stops en route and charitable proceeds.

Trail running at Stonor Park in the Chilterns with three route choices of 22 km, 13 km and 7 km. Expect well marked woodland trails, steep climbs, possible wildlife sightings and outposts on the longer courses.

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.

A muddy obstacle course at the Secret Nuclear Bunker Estate in Brentwood offering 6 km with 40+ obstacles or 12 km with 70+ obstacles, signature features like a 20 foot Deathslide and a multi lane zip line into water.

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.

A lap based 7 hour and 2 minute timed event on 8 November 2026 at Wraysbury Skiff and Punting Club offering flexible distances, a two minute silence with time deduction, medals, goody bags and aid stations including vegan options.

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 point-to-point trail half marathon along the Grand Union Canal from Cowley to Watford, featuring chip timing, four water stations, a wooden finisher medal and on-course marshals. A pre-race coach transfer to the start is available by pre-..

A three day, 84 mile (135 km) ultramarathon along the Ridgeway from Buckinghamshire to Wiltshire with two overnight stops in Watlington and Didcot. Organised by XNRG Druids, it offers full packages with accommodation and single day entry op..

A flexible Friday running event on a flat 5.3 km out and back course along the Thames offering distances from 5 km to ultra, timed over a seven hour limit with bespoke finishers medals.