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South Downs Challenge

This incredible trek takes you along 42km of incredible coastline from Brighton to Eastbourne.

Event details

When: Saturday 15th August 2026
Activity type: Cycles, North West, Treks & walks
Full event details

South Downs Challenge at a glance

This incredible coastal trek starts just outside Brighton and takes you on 42km of testing, undulating terrain before finishing in Eastbourne.

You will cross Firle Beacon, for stunning views of the coast, before tackling the incredible stretch of clifftops known as the Seven Sisters to finish on the seafront at Eastbourne.

- 42km marathon trek along the stunning South Downs
- Fully supported trekking challenge
- Stunning views from the high point of Firle Beacon
- Test your endurance with the undulating terrain of the Seven Sisters Country Park

Sign up today

What you'll get

From us:
- support from an experienced fundraising team who can help you reach your goal

From the event provider:
- Drinking water on challenge days
- Full back-up support including first-aid qualified staff and first-aid supplies
- All challenge management before, during and post event
- Drinks and snacks available throughout the day
- Packed lunch and drinks

More details about South Downs Challenge
Arrow doodle
  1. If you’re feeling up to the challenge, register now on the Charity Challenge website.
  2. When you sign up you’ll be asked what sponsorship option you want to choose. Select “Self funder”
  3. Get in touch with us once you’re done and we will send you a bespoke fundraising pack!
  4. Fundraise as much as you can!

Self Fund – you pay the full cost of the event place-fundraise whatever you want, with no set target or deadline, and there’s no cost at all to the charity!

To see the latest entry fees, please visit the Charity Challenge website via the link below.

View latest prices and sign up

You can find details about the event on the Charity Challenge website.

If you have a question about trekking and fundraising for Team Chestnut, please contact the Events Team.

Thank you for choosing us to donate your sponsorship to – we appreciate every penny.

Next steps:

  1. Get in touch with us and let us know
  2. We’ll be in touch with your own bespoke events pack, including fundraising hints and tips and sponsorship form.
  3. Once you’ve raised your sponsorship money and completed your event, pay in your fundraising.

How your fundraising makes a difference

£54

could pay for a session with a family counsellor, offering emotional support for siblings, parents, and other family members

£119

could pay for a home visit to a child at the end of their life, ensuring they are comfortable and cared for

£184

could give a group of teenagers a rare night out to an accessible cinema, comedy club, or bar accompanied by our Activities Team

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