Date: 6th & 7th of September 2025
Location: Eastbourne start line and Arundel finish line
Distances available: 100km, 50km and 25km
The South Downs National Park is a superb backdrop to adventurer. An Eastbourne start, up Beachy Head, the magnificent Seven Sisters, and along the South Downs Way, with stunning views over the sea, to a Brighton half-way. Devil’s Dyke, and a few ups & downs lie ahead before historic Arundel comes into view after an amazing 100km journey. Choose from 100km, 50km or 25km distance options, with full hospitality & support, including food, drinks and medics.
Whether you’re a walker, experienced trekker, or a marathon runner who wants to increase their distance, this ultra might be for you. Walk, Jog, or Run – as an Individual or a Team, all while working towards our ultimate vision – a future free from arthritis. With your support we can continue to invest in world-class research, delivering high-quality services and campaigning on issues that matter the most to people with arthritis.
Want to find out more?
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
