Three Forts Challenge
Worthing, United Kingdom • 3 May 2026
Event
The Three Forts Challenge is an annual trail running event on the South Downs, scheduled for 3 May 2026. The event is based at Lancing Manor Leisure Centre, Manor Road, Lancing, West Sussex, BN15 0PH. Routes use trails with rolling hills and sections of chalk, flint and gravel; several accounts note narrow or technical footpaths. The event provides marshals and regular aid stations along the course. Profits support Ferring Country Centre and other local Sussex charities.
Races and entry
- Marathon - entry £49.00; open to entrants aged 18 and over.
- Half marathon - entry £39.00; open to entrants aged 18 and over.
- 3FC 5 Mile Trail Run - entry £20.00; open to entrants aged 16 and over; includes photo and medal.
The organiser lists an aggregate rating of 4.7 from 155 reviews. Reviews report substantial marshal support and well stocked aid stations, and they also mention limited parking, some route signage issues at junctions, and tight cut-off times for longer distances.
Location and logistics
The venue is reachable via the A27 at Lancing Manor roundabout. Buses stop on the A27 and Lancing train station is about a 25-minute walk, with bus links from the station. Parking at Lancing Manor Leisure Centre is limited and green travel is encouraged. Visit the organization's website for the most recent information.