Explore the South Downs National Park on this epic ultramarathon offering stunning 50K or 100K routes from the glorious West Dean Gardens and taking in the Monarch's Way.
Expect a superb level of support and organisation with fantastic overnight options at the all-inclusive Basecamp.
Take the Monarch’s Way to the ancient coastal village of Bosham and on to the mighty Arundel Castle.
Race like royalty with pit stops packed with food and expert support throughout.
Two different loops taking in coastal trails and the South Downs National Park.
Bring the family to cheer you on and explore the impressive gardens and sculptures of the West Dean Estate.
The figure-of-eight loop makes the simplest possible format to tick off 100km.
Full event details including location, route and photo gallery are on the 50K Castle listing.
This charity has places in the event. To secure your place, select a charity and complete the form to ask a question or get signed up.
Mental health
Supporting those affected by mental illness to change mental health for good.
Sign up
£30
Fundraise
£350
