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Three Forts Challenge

Sunday 30th April 2017

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2017 Event

Registration Closed

Entry for the 2017 event is now closed. Entry list here.

Changes i.e. marathon to half or vice versa can be accommodated on the day, subject to the race not being full, for a fee of £2.00.

Note that race numbers/chips for entries made after April 13th will be distributed at the registration desk on the day.


Next year's event is on Sunday 30th April 2017. Entries open on 1st September.

This is my third time running the Marathon and maybe the hardest because of the wind and the slippery of some parts of the course, but I truly enjoyed. Will come back next year and hopefully with a better weather.


Very grateful for all the marshals and organisers - my first half marathon and I certainly enjoyed it regardless of the weather.


Brilliantly organised and possibly the chirpiest, friendliest marshalls I have come across in any event, I take my hat off to them - you wouldn't find me out in the wind and rain for 6 odd hours.... oh wait... Really glad I took part :)


This was my first half marathon and I felt such a wonderful sense of achievement when I finished..... I loved all the running chats I had with complete strangers...I look forward to doing 'The Tough One' again. Thank you all so much.



Having listened to concerns, we are now accepting entries from runners with a dog. Our policy is that this only applies to runners who regularly run with their dog and that the runner complies with the guidance issued by Canicross. The guidance includes using an appropriate harness and lead. Full guidance is available.

Mike Airey, 3FC Race Director

Devil's Dyke - Chanctonbury Ring - Cissbury Ring - 27 miles

Known as 'The Tough One', with 27 miles of mixed terrain and climbs of 3450 feet.

* '26 miles in 7 minutes'. See the race video by Steve Cousins

See how we've supported Ferring Country Centre with two Belted Galloways

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