North Downs 50 Ultra Challenge 2025

Choose your distance, and walk, jog or run the full looped 50km route, a 25km half challenge, or even the Guildford 10km. Take in some of the best of the Surrey hills, the North Downs Way, and the surrounding countryside. A route with real variety and some wonderful scenery & views.

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What to expect

By joining the North Downs 50 Ultra Challenge team, you will receive the following support from us:

  • A Fundraising Pack containing lots of fundraising advice
  • Regular emails to provide top tips and information
  • Your own Team Children with Cancer UK running vest
  • A friendly team on hand to support you

If there are any other events you would like to take part in the Ultra Challenge series and support Children with Cancer UK, you can read about the events and sign up straight away here.

Join with your own place

To find out more about the fundraising requirements and to join our team, please click on the button below. If you are having any issues or have any questions at all, please email us at [email protected] or phone us on 020 74307788.

Where your money goes

Every contribution is carefully allocated to fund critical research, provide essential resources to families, and drive greater awareness.

HOW WE USE

EVERY

£1

Fighting childhood cancer
Research44p
Supporting Families15p
Raising Awareness21p
Funds to support our cause
Fundraising20p

Cancer diagnoses

Every day, around 10 children and young people in the UK are diagnosed with cancer.

New treatments

8 out of 10 young cancer patients can now receive successful treatment, thanks to the specialist research we help fund.

Safer therapies

We are committed to developing safer and more effective childhood cancer treatments with fewer toxic side effects.

Funding research

We invest in crucial childhood cancer research that would otherwise go unfunded.

Other Events