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Kent Downs 50 Ultra Challenge 2026

Join The Brain Tumour Charity team at the Kent Downs 50 Ultra Challenge. Walk, jog or run, your challenge your way.

When:

10 Oct 2026

Where:

Henley-on-Thames, Oxofrdshire

Registration fee:

Various

Sponsorship:

Various

End the Ultra Challenge season in the ‘Garden of England’. The route takes you anticlockwise on the North Downs Way Blue Bell Hill, following the River
Medway to Mote Park at halfway for a picnic. Along the Len Valley Walk to the majestic Leeds Castle, and the North Downs Way back to the showground finish line.

The Brain Tumour Charity is an official Series Partner of the 2026 Ultra Series which means you’ll receive a 50% discount on the ‘full sponsorship’ option when signing up.

How to enter the Kent Downs 50 Ultra Challenge

Choose a distance and fundraising option that suits you, sign up using the link above and we’ll support you on your fundraising journey.

You pay a small registration fee, do lots of fundraising and we cover the cost of your event place! As we are an official Charity Partner – you get 50% off the standard reg fee below which is automatically added at checkout.

50km: registration fee £40, fundraising target £375

25km: registration fee £30, fundraising target £275

10km: registration fee £20, fundraising target £100

At least 50% of the sponsorship target must be with The Charity 3 week prior to the Challenge. Failure to meet the deadline may result in cancellation of your place by The Charity. The remaining 50% and any extra, should be with your Charity by 4 weeks after the Challenge. We are here to support you get to your fundraising target !


Supporting you

When you sign up to an Ultra Challenge we’ll support you with:

What will I get on the day?

When you sign up to an Ultra Challenge, on the day, they’ll be:

  • email updates
  • access to our fundraising resources 
  • a charity t-shirt to wear for the event
  • fully signposted route
  • access to the Ultra Challenge App
  • free food and drink
  • a medal, finishers t-shirt and downloadable certificate
  • regular rest stops with massages and medics available

Ultra Challenge Calendar

With 21 Ultra Challenge events throughout 2026, see what else is on offer. From rugged coastlines to breathtaking countryside there’s something for everyone as you can walk, jog or run at your own pace.


Got your own place?

We’d love you to walk for us, so let us know to get your free Charity t-shirt. We’ll support you every step of the way!

This event is organised by Action Challenge and is part of the Ultra Challenge Series.

If you have any questions, don’t hesitate to get in touch with us; email events@thebraintumourcharity.org or call 01252 237867.