Extreme adventurer Sean Conway prepares to undertake the British Ultra Triathlon along the entire coast of Britain Sean will attempt to complete the British Ultra Triathlon in a world first – by cycling, running and swimming the entire coast of Britain The public can track Sean's journey all the way at DiscoveryUK.com Sean Conway: On The Edge to air exclusively on … [Read more...] about Sean Conway to take on British Ultra Triathlon circumnavigating mainland Britain