Dunstable Downs
Trail Running Calendar near Dunstable Downs 2026-2027
Explore the top trail runs near Dunstable Downs for 2026-2027! We've gathered 124 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
Riverside races from Barnes along the Thames Path offering 10 km, half marathon and marathon courses with marked routes and checkpoint support.
The Stopsley Trail Race on Sunday 9 August 2026 offers 5K, 5 miles and 10 miles on scenic undulating trails along the Bedfordshire and Hertfordshire border. Entries include chip timing, bespoke medals, free photos and participant goodies.
Free Backyard Ultra at All Work Training in Ruislip: 5 km each hour for six hours; sign up is now closed.
A guided 10 km summer trail run in the Chiltern Hills followed by a Tring Brewery tour and tasting, with pizza available to purchase.
Trail races at Wendover Woods feature a half marathon, 10k, 5k and junior race across steep woodland with 181 m of climb. Entries include a themed medal, free photos, chip timing and post race goodies.
Half and full marathons in Richmond Park on 23 August 2026, with multi-lap routes along the Tamsin Trail, refreshment points and UK Athletics affiliation.
A trail half marathon from Creasey Park across the Dunstable Downs, run mainly on footpaths and bridleways. The self navigated course includes checkpoints and guide runners, a GPX file, on course drink stations and event facilities.
30 August 2026 in Alexandra Gardens Windsor offers 10K and half marathon routes with views of Windsor Castle. The event includes chip timing, free race photos and an event village.
MacTuffX Bedford on 30 August 2026 combines ten Xercises with repeated 400 m or 800 m runs across solo, doubles and five-person relay formats.
September 2026
A mixed terrain trail along the Thames at Remenham Farm in Henley on Thames offering a half marathon, 10K and a junior race, with chip timed results, a themed medal and free race photos.
An ultra endurance event in Heartwood Forest where participants cover four mile loops within a 12 hour window, solo or in relays up to eight people. Winners are decided by distance and all finishers receive a medal.
A series of fully marked, fully supported trail and ultra events in the UK that focus on a welcoming, inclusive atmosphere with generous cut-offs and runnable countryside courses.
An 81 mile ultra on the John Bunyan Trail in Bedfordshire, run as a single loop to be completed within 24 hours with 1,219 metres of ascent and seven aid stations.
Phoenix Running Bedfordshire's Pick n Mix on 12 September 2026 uses a 5.3 km lapped course at Mowsbury Park. Runners choose distances from 5 km up to ultra with a flexible one hour start window and a seven hour time limit.
A 10 km trail race in Sandridge, St Albans on 13 September 2026, starting and finishing at Sandridge Primary School playing field. Organizers publish route information and FAQs, and the event is supported by Sandridge Parish Council.
A lapped 7 hour trail event on a 5K loop in Hitchin with a Mini Mile and virtual option, event village, aid station and post event massage.
A marathon and half-marathon along the Ouse Valley Way in Huntingdonshire on 20 September 2026, finishing at Earith on mostly flat grass, gravel and tarmac paths. The races are registered with the Trail Running Association and insured under England A..
A looped trail event from Henley offering 50 km, 25 km and 10 km distances with covered rest stops, GPS tracking and on site camping. Finishers receive a medal, a finisher's t shirt and a post event meal.