Race details

An off-road half marathon on the stunning trails of the Dunstable Downs.

The 3rd edition of the Dunstable Downs Trail Half will take place in Autumn 2023, an exact date will be confirmed soon.

Hosted from the National Trust visitor centre at Dunstable Downs, our half marathon follows a stunning trail route around the Downs and out to Kensworth Quarry.

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Half Marathon

£32 unaffiliated / £30 affiliated

Coming soon

Key Information

Sunday 16th July 2023
Start Time
Event base
Dunstable Downs, LU6 2GY
Distance / Elevation
21.4km / 450m+
Cut off
4 hours
Arrow markers and orange ribbons
£30 affialiated / £32 unaffialiated

Please scroll down to find a list of resources, such as GPX files, maps, videos and more.

View resources

Route Description

Our half marathon route begins at the National Trust centre within Dunstable Downs.

The first quarter of the race takes runners out to the Tree Cathedral, Bison Hill and back past the centre.

Runners then complete a full loop of Kensworth Quarry, passing our aid station at 10KM.

Upon rejoining the Downs the runners complete an out and back to Five Knoles and then back onto the lower Downs trails to run what was the first 5km, now in reverse.

CP 1 - Kensworth Quarry

Event resources

Last updated - 29th Sept 2022 - Briefing video uploaded

GPX File
OS Maps
Google Maps
Printable map
Essential info doc (PDF)
Route Fly-through video
Race briefing video

Latest Updates

We will be back in 2023
3rd Oct 22

The Dunstable Downs Half Marathon will be back in 2023 - An exact date will be confirmed soon.

Route Map

Race Navigation

Route Navigation

This race will be fully marked, with our orange arrow markers and ribbons.

The signage will be aided by several marshals at sharp turnings or busy areas.

We recommend runners carry a digital version of the route, either on a watch or phone, just in case you find yourself off course.

Race checkpoints

Aid stations

There is one checkpoint located at 10KM. The following items will be available at this location:

  • Water
  • Coke
  • Mountain fuel energy gels
  • Selection of sweets
Event base

Event base

The race is held at the National Trust Countryside Center at Dunstable Downs.

There is an on-site cafe open from 10am, serving hot and cold food after the race.

Car parking is available on site (£3.50), along with toilets and a bag drop facility for runners.

View on Google Maps

Required Gear

Required gear

All runners will be required to carry the following items for the entirety of the run:

  • Mobile phone (charged & emergency number saved)
  • Digital route map on watch/phone (recommended)
  • Reusable cup/bottle for aid station

Entry details

Registration is £TBC (or £TBC to affiliated runners), runners must be aged 17 years or older.

  • Entry to the half marathon race
  • Event permitted by the TRA
  • Finishers medal
  • Chip timing with live results
  • One on-route aid stations
  • Course wide medical support
  • Bag drop at the event base

Entry details

Withdrawal options

By entering our race, you agree to the following withdrawal policy. This policy applies to all runners and no exceptions can be made.

Withdrawal date
Race Credits
More than 12 weeks before race day
4-12 weeks before race day
2-4 weeks before race day
Less than two weeks to race day

To make a withdrawal request, please follow the button below and fill in the form.

Withdraw from race
Event withdrawal

Thank you soooo much for such a fantastic event! It was a great race - so friendly and well organised!


Dunstable Downs Half, 2021

Another classic race from you guys. What an event...the weather, the views, the hills, the rivers, the puddles and the amazing marshalls. Thank you


Dunstable Downs Half, 2021

Event partners

National Trust
Trail Running Assocation
Mountain Fuel
Ugoku Projects

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