Registration now open! 

From Culver Down in the East to The Needles Battery in the West, navigate your way along an off-road and on-road route, across the demanding terrain of the Island's stunning countryside.
With a choice of three distances, from 23km to a whopping 92km, this is Mountbatten's toughest challenge event!
On 22 September 2019, take part in a cross-Island physical and navigational cycling challenge, from one end of the Island to the other - and back again! Choose one of three distances to suit your ability.