Three Forts Challenge
Worthing, United Kingdom • 3 May 2026
Three Forts Challenge
The Three Forts Challenge is a trail running event based at Lancing Manor Leisure Centre in Lancing, West Sussex. The next scheduled race date is 3 May 2026. Routes run across the South Downs and include rolling hills and coastal views over varied trail surfaces.
Runners can choose from multiple distances:
- Marathon (full distance across the South Downs)
- Half marathon
- 3FC 5 mile trail run
Entry fees and age limits are published for each distance: the marathon and half marathon are open to entrants aged 18 and over, and the 5 mile run is open to entrants aged 16 and over. Published entry prices include £49 for the marathon, £39 for the half marathon and £20 for the 5 mile event; the 5 mile entry notes a photo and a medal.
The event is dog friendly on designated routes and routes are supported by marshals and aid stations with food and drink. Organisers note limited parking at the leisure centre and encourage travel by public transport or on foot where possible. Profits from the event support Ferring Country Centre and local Sussex charities. Reports from participants describe well placed aid stations, visible marshals and scenic viewpoints along the course. Visit the organization's website for the most recent information.