Run in partnership with British Cycling, our epic sportive challenge takes you over rolling Chiltern Hills and the stunning countryside of Herts, Beds and Bucks!


Sunday 28th April 2024


Gadebridge Park, 
Leighton Buzzard Rd, 
Hemel Hempstead, Herts HP1 1DN

Registration Timings

From 8.30am
Exact timings TBC



Take on some of the South East’s toughest climbs: With elevation gains of up to +1,383m.
Fantastic feed stations: Refuel with a range of free snacks and refreshments to keep you going for the journey ahead.
Mobile unit and self-service bike repair available: Keeping you safe throughout the day.
Finishers’ treat: Complete the ride knowing you’ve made a big difference for people facing homelessness, poverty and social exclusion.
Celebrate in style: Enjoy delicious street food and beer at our cycle village in Gadebridge Park.


Route maps

Our 25k, 60k and 100k routes cover the Three Counties of Hertfordshire, Bedfordshire and Buckinghamshire. Click here to view elevation details for each route.
GPX files will be provided to participants on event week.



Look the part

We’ve partnered with Primal Europe to launch a custom DENS jersey, featuring our vibrant yellow branding and an eye-catching geometric design!

The premium Nexas jersey combines comfort and performance for the rider that wants more features and upgraded fabrics with a more forgiving fit. Turn heads on your rides while also helping to raise awareness of DENS and the work we do across the community.

Ordering closes Monday 4th March 2024 at 11am.



Join our Hillbuster community

The Hillbuster group on Facebook is a friendly cycling community where you can find all the latest event information, join our Strava Club, share training progress and join conversations with fellow riders.



Route elevations


Elevation Gain +1,383m


Elevation Gain +1,130m


Elevation Gain +673m


Elevation Gain +220m


Frequently asked questions

Who can participate in the event?

Anyone over 18. If you are under 16 years old on the date of the event, you may only participate if your parent or legal guardian has agreed to the T&Cs.

Where can I park?

There is limited parking at Gadebridge Park. There are also a number of car parks close by to the park. 

How much does it cost to book?
  • £25 to take part in the 25k
  • £30 to take part in the 60k
  • £35 to take part in the 100k
  • £45 to take part in the 120k
  • Registration on the day is as above +£5
What does my registration fee pay for?

Your registration fee helps to cover the running costs of our event. Any fundraising you do will go directly to support vulnerable people in Dacorum, so we’d be really grateful if you could consider this. 

How do I set up my fundraising page?

Thanks so much. Your fundraising can make a big difference to support local vulnerable people. Click here to set up your JustGiving page.

What is the terrain like on the routes?

A combination of challenging hills and flat roads through beautiful countryside and villages around Dacorum. Scroll up for more info on the route map and elevations. 

Are there toilet facilities?

There are public toilets in Gadebridge Park, plus additional portaloos will be provided. There are toilet stations at the feed stations on the route.

Are there water stations / refreshments on the routes?

Yes, water and refreshments are provided at the feed stations.

Will there be somewhere I can securely store my belongings?

No, there is no bag drop or storage available on the day.

Will there be merchandise available to buy?

Yes, there will be a selection of DENS merchandise available to purchase on the day, with all proceeds supporting the charity.

Can I volunteer at the event?

Yes please, we need all the help we can get. Please email We’d love to hear from you.

Where can I find the event’s terms and conditions?

Please click here for the terms and conditions. 

How can I ask a question that’s not covered here?

Send an email to or call us on 01442 800268, and our friendly team will be happy to help. 



Supported by:

in partnership with:

Supported by:

Keep In Touch