
South Coast Ultra Challenge
The South Downs National Park is a superb backdrop to this challenge adventure. This route includes an Eastbourne start, Beachy Head, the magnificent Seven Sisters cliffs, Brighton and Arundel.
Walk towards a future free from arthritis
Location: Eastbourne start line and Arundel finish line
Date: 5 and 6 September 2026
Cost: Various options starting from £30
Minimum sponsorship target: A range of targets depending on distance
The South Downs National Park is a superb backdrop to this challenge adventure. This route includes an Eastbourne start, Beachy Head, the magnificent Seven Sisters cliffs, along the South Downs Way, with stunning views over the sea, to a Brighton halfway point. We'll pass Devil’s Dyke, and take a few ups and downs before the historic Arundel comes into view after an amazing 100km journey.
Choose from 100km, 50km or 25km distance options, with full hospitality and support, including food, drinks and medics.
Enquire here

What to expect as an Arthritis UK challenger
- An Arthritis UK running vest or t-shirt
- A welcome pack full of helpful training and fundraising advice
- Dedicated training and fundraising support from our expert team
- Access to our closed Facebook group of our community of supporters
- Constant support throughout your challenge journey from our fundraising team
- An Ultra Challenge medal (from the organiser), t-shirt and a glass of fizz
Funding options
Full sponsorship for charity
You pay a smaller registration fee for the event and then fundraise the target amount (with our support of course)
- 100km - £50 Registration fee and a fundraising target of £575
- 50km - £40 Registration fee and a fundraising target of £360
- 25km - £30 Registration fee and a fundraising target of £240
Self funding
You pay the full cost of your registration fee and you can choose whether to fundraise
- 100km - £199 Registration fee and set your own personal fundraising target
- 50km - £139 Registration fee and set your own personal fundraising target
- 25km - £89 Registration fee and set your own personal fundraising target
Mixed funding for charity
A mixture of the two with an amount towards the registration fee but also a smaller fundraising target
- 100km - £110 Registration fee and a fundraising target of £330
- 50km - £75 Registration fee and a fundraising target of £225
- 25km - £50 Registration fee and a fundraising target of £150
How to enter
Sign up to walk with us on this beautiful challenge route.
Contact us
For more information, contact our team at fundraising@arthritis-uk.org with questions or to get support.
Thank you for supporting Arthritis UK.
You might also like
Isle of Wight Ultra Challenge
Nothing beats a coastal path on fresh spring day, and there is no need to look any further as the Isle of Wight Challenge offers all of this in its glory.
Isle of Wight Ultra ChallengeCotswold Way Ultra Challenge
Set in the stunning Cotswold of rolling hills, Cotswold villages, the famous Cotswold way with some wonderful views along the route.
Cotswold Way Ultra ChallengeThames Path Ultra Challenge
England’s greatest river provides a fantastic backdrop for an unforgettable challenge. We'll walk through Richmond, Hampton Court and Windsor, taking in wonderful scenery to a riverside finish line.
Thames Path Ultra Challenge