Three Forts Challenge
Worthing, United Kingdom • 3 May 2026
The Three Forts Challenge is a renowned trail running event held in West Sussex, starting and finishing at Lancing Manor Leisure Centre. It offers three race options: a full marathon (27.2 miles), a half marathon, and a 5-mile trail run. The courses feature demanding terrain with steep climbs, stiles, and rough tracks through the scenic South Downs National Park, passing historic landmarks like Chanctonbury Ring and Cissbury Ring. The event welcomes runners of all levels, including those running with dogs under Canicross rules. Profits support the Ferring Country Centre and other local charities aiding adults with learning disabilities, combining endurance sport with community impact. Visit the organization's website for the most recent information.