Trail Running calendar near Dunstable Downs 2026-2027

A muddy obstacle course at the Secret Nuclear Bunker Estate in Essex, Nuclear Rush offers 6 km and 12 km routes with dozens of obstacles, chip timing, signature features like the Deathslide, and family race options.

An untimed inflatable obstacle run in Guildford on 8 May 2027 with giant inflatables and music zones. Distances from 2.5 km to 15 km, family friendly, with medals, onsite facilities and group discounts.

Multiple trail race distances in the Stroud area using towpaths, disused railway tracks and Cotswold hills, with a route that ascends to Selsley Common for wide valley views. Water, marshals and first aid are provided on course.

A multi-terrain running event around Naseby Village Hall in Northamptonshire offering multiple distances from 10K to a 35 mile ultra. Routes change direction each year and include roads, trails, and local historic landmarks.

Road marathon and half at Suffolk Running Centre using the Kirtling and Windmill routes. Aid stations every 10 km, parking included, and the event is cupless so bring a bottle or cup.

A long-established marathon in North Essex organised by Halstead Road Runners, set on scenic low-traffic roads and part of the Essex Road Running Championships. The event has a 500-runner limit, supports local charities and holds a course m..

A guided 30 km trail run in the Chiltern Hills with checkpoint support, trail technique instruction and a finisher’s medal. The event starts from the Iron Room near Tring Station with group pacing and bag storage.

A Pretty Muddy 5k obstacle course at Braunstone Park on 15 May 2027 combining grass and path with climbs, crawls and slides. Waves start every 15 minutes, participants must be 13 or older and there is a minimum fundraising target of £50.

A Trifecta obstacle-course weekend in Henley on Thames featuring Sprint, Super and Beast races plus a kids race along the riverside and town landmarks. Events list 20 to 30 obstacles and show a 4.7 participant rating.

Trail running from Sudeley Castle through the northern Cotswolds with routes from 7 km to 50 km, mixed terrain and staffed outposts. Options include Ultra, Marathon, Half Marathon and shorter distances.

An inflatable obstacle course and fun run at Brands Hatch with 2.5 km laps that can be combined into 5k, 10k or 15k. Family friendly with medals, music zones, hydration, on-site food and paid parking.

Several distances are available: 5k, 10k and 20k routes around Deddington. The event is open to all ages and organised to raise funds for Deddington Primary School PTA, Deddington PFSU and the Firefighters Charity via Deddington Fire Statio..

Race for Life at Weald Country Park in Brentwood features 3k, 5k and 10k routes across grass and woodland trails. The 10k is two laps of the 5k course and the event is chip timed.

Trail runs and walks near Reading at Mapledurham House on 22 and 23 May 2027, with waymarked routes along the Thames, multiple distances, support stations, online tracking and on site camping.

A 5 km obstacle event at War Memorial Park on 23 May 2027 where participants climb, crawl and slide across mixed grass and path terrain; entrants must be 13 or older and a minimum fundraising target of £50 applies.

A Star Wars 50th Anniversary weekend on 5 and 6 June 2027 at Caldecotte, Milton Keynes featuring marathon and half marathon races around Caldecotte Lake, unique finisher medals, on-course water and toilets, and time limits for each race.

A point to point half marathon along canal towpaths from Wolverhampton to Brindley Place in Birmingham, featuring a 360 metre tunnel, time trial wave starts and floating drink stations every 3 miles.

A 125 km waymarked loop following the Pewsey Vale Circular walk with about 1902 m ascent and GPX files provided. Checkpoints appear roughly every 25 km, there is a 24 hour cut off, and camping is available at Linkenholt Activity Center.

A riverside trail event at Remenham Farm in Henley-on-Thames offering a Half Marathon, 10K and a Junior Race for under 11s, with chip timing, medals, free photos and an event village.

A 100 kilometre trail ultramarathon on 9 May 2026 around the Chiltern Hills, following an anticlockwise loop past Ashridge, The Ridgeway and Whiteleaf Hill. Fully marked route with GPS tracking and several staffed aid stations.