








Chiltern Ridge Ultra Trail
Race details
The Chiltern Ridge is an iconic 50km ultra marathon set in the heart of the Chiltern Hills.
The 5th edition of the Chiltern Ridge Ultra Trail 50km will provisionally take place on Saturday 6th May 2023 at 9am.
Set in the heart of the Chiltern Hills, our single loop course takes runners on a stunning journey along The Ridgeway, Chiltern Way and Ashridge Estate.
The course offers a variety of terrain, combining forest running, ridgeline views and picturesque countryside.
Key Information
Please scroll down to find a list of resources, such as GPX files, maps, videos and more.
View resourcesLatest Updates
Congratulations to everyone who took part in the Chiltern Ridge. Please click here to view the 2022 results.
Route Map
Route Description
The course is a single loop with a short connecting section to get to/from the event base.
Runners complete the route in an anti-clockwise direction.
Start > Great Gaddesden > Studham > Whipsnade (CP1) > Dunstable Downs > Dagnall (CP2) > Ivinghoe Beacon > Albury (CP3) > Ashridge Estate > Frithsden (CP4) > Great Gaddesden > Finish










Route Navigation
This race will be fully marked, with our orange arrow markers and ribbons.
Additionally, marshals are positioned on the route, in locations we deem difficult to manoeuvre yourself.
We do ask all runners to carry a digital version of the route, either on a watch or phone, just in case you find yourself off course.

Aid stations
All three checkpoints will act as both timing points and feed stations. These will contain the following items:
- Water
- Coke
- Mountain fuel electrolyte drink (pre-mixed, raw flavour)
- Mountain fuel energy gels (lime or orange)
- Selection of crisps and sweets
- Tribe energy bars
- Fresh fruit (banana, orange)

Event base
Our event base, held at Fuzzy’s Farm in Hertfordshire is designed for runners and spectators to enjoy both pre and post race.
Hot drinks will be on offer throughout the day, along with delicious food and local beer.
Car parking is available on site, along with toilets and a bag drop facility for runners.

Required gear
All runners will be required to carry the following items for the entirety of the run:
- Mobile phone (emergency number saved)
- Route map on watch/phone or paper map (provided)
- Windproof or light jacket
- Refillable water/hydration system (0.5L min)
- Cash or bank card
Entry details
Registration is £67 (or £65 to affiliated runners), runners must be aged 20 years or older.
- Entry to the 50KM race
- Event permitted by the TRA
- Car parking at the event base
- Finishers medal
- Chip timing with live results
- Four on-route aid stations
- Course wide medical support
- Bag drop at the event base
T-Shirts are available to purchase on our store.

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.
To make a withdrawal request, please follow the button below and fill in the form.
Withdraw from race
It was so well organised both in the weeks building up to it and on the day, and the course was so well marked you couldn’t possibly go wrong out there.
Darren
Chiltern Ridge 50km, 2021
Good organisation , great people, excellent route marking , all put together to make a super event. Even a bit of weather to add to the atmosphere :)
Edward
Chiltern Ridge 50km, 2021
Our Races
Friendly and challenging trail running races, set in the beautiful English countryside.
Past results & photos
Not sure which race to choose, check out our past event results and photos.