Charity place
Register today to join our team, and we'll help you reach your target in no time. Our charity places start at £15, but there are lots of options available!
Own place
If you already have a place to take part in the North Downs 50 Challenge, we'd love to welcome you to our team!
About the event
Back by popular demand the North Downs 50 has returned for 2023. Setting out from our Guilford basecamp, and a looped 50km route which takes in some of the best of the Surrey hills, the North Downs Way, and the surrounding countryside. The North Downs 50 is not one to miss. You’ll get full support & hospitality, and with 25 km options also available, and University style accommodation at basecamp as a bookable extra - there’s a North Downs Challenge waiting for you in 2023
Walk it, jog it, or run it!
Push yourself further and help us to support anyone affected by breast cancer.

How we'll support you
You’ll get full support and hospitality all the way, leaving you to focus on your challenge!
Free Breast Cancer Now walking t-shirt
- Fully signed route
- Regular snack stops every 12.5 km
- Main meal/ hot food every 25 km
- Medics, marshals, massage
- Finishers medal & glass of fizz
- Plus plenty of fundraising & training support

Any questions?
For more information on the challenge, its inclusions, the route, FAQ’s and much more – please visit the North Downs 50 Challenge website.
If you have any event related questions, please email the Action Challenge team on info@ultrachallenge.com or call them on 020 7609 6695.