Three Forts Challenge
“The Tough One”
Known as “The Tough One” the Three Forts Marathon (27.2 miles) includes a total of c. 3450 ft of climb with stiles and rough tracks underfoot. The route runs northwards from Hill Barn to Cissbury Ring, then eastwards towards Coombs then to Botolphs and the River Adur crossing. The route then goes to Devil’s Dyke and back to the River Adur. It continues on the South Downs Way to Chanctonbury Ring, where it swings south-west to Findon Park Farm. It stays on public bridleways to Cissbury Ring and back to Hill Barn.
Three Races to choose from!
Are you up for the “Tough One” or if the full marathon isn’t up your street, you could choose the Half Marathon or even the 5 Mile Trail Run?
Full Marathon
27.2 miles. Open to entrants aged 18 and over
Half Marathon
Open to entrants aged 18 and over
3FC 5 Mile Trail Run
Open to entrants aged 16 and over
- Marathon | 9am
- Half Marathon | 9.15am
- 5 mile Trail Run | 9.30am
Please note the maximum run time for the full marathon is 6 hours.


