Three Forts Challenge is back on Sunday 2nd May 2027
The Best Running Event for Miles!
Take on the Three Forts Challenge, one of Sussex’s most scenic and rewarding running events. Set against the stunning backdrop of the South Downs, this unforgettable running challenge combines breathtaking countryside views, challenging hills and an incredible race day atmosphere.
Whether you are an experienced trail runner or looking for your next running adventure, the Three Forts Challenge offers a fantastic opportunity to test yourself, enjoy the great outdoors and experience the beauty of the South Downs.
Sign up today and discover why the Three Forts Challenge is the best running event for miles!
Why Run with the Three Forts Challenge?
The Three Forts Challenge has been a much-loved Sussex tradition since 1977, offering one of the most scenic and rewarding running experiences in the South.
Set across the breathtaking South Downs, runners can choose from a full marathon, half marathon or 5-mile trail run. You can even run with your canine friend! Each route offers rolling hills, coastal views and a friendly community spirit.
Every entry supports Ferring Country Centre and local Sussex charities, making every mile truly meaningful. Unlike crowded seafront runs, the Three Forts Challenge offers space, challenge and purpose.
Run with heart. Run the hills. Run for charity.
Run with the Three Forts.
What makes the Three Forts Challenge so special....
Since 1977, the Three Forts Challenge has stood proudly as one of Sussex’s most loved and enduring running events — known affectionately as The Tough One. More than just a race, it’s a celebration of community, countryside, and camaraderie. Set across the magnificent South Downs and the home at Lancing Manor Leisure Centre runners experience sweeping views, rolling hills, and a genuine sense of achievement that only trail running can deliver.
From the marathon and half marathon to the 5-mile trail run, every route is designed to inspire. What makes it truly special is its heart: every penny of profit supports Ferring Country Centre and local Sussex charities. Run alongside friends, families, and even your four legged companion...because here, it is about more than miles. It is about tradition, teamwork, and giving back.
This is running at its most authentic — this is the Three Forts Challenge.
Three great races to choose from
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Ready to Take on the Challenge?
Join us on Sunday 2nd May 2027 for an unforgettable day of trail running, stunning South Downs scenery and fantastic community spirit.
SIGN UP FOR 2027