As if a 180km bike leg in an iron-distance race wasn’t hard enough, The Bastion course has been designed by a former Royal Marine – and with just under 2,000 metres of ascent it represents one of the toughest long courses in the UK.


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Starting and finishing at Hever Castle in Kent on 12 July, this is a three-lap affair with each lap counted as 60km long and taking in some of the stunning sites of the Weald and Ashdown Forest – an area of outstanding beauty.