Caitlin O'Reilly Ultra Marathon Swimmer aged 19 joins me and talk about her incredible career so far. She is the youngest person to achieve the New Zealand Triple Crown. and talks about her ambition to complete the Oceans 7 - The Oceans Seven is a marathon swimming challenge consisting of seven open water channel swims. It was devised in 2008 as the swimming equivalent of the Seven Summits mountaineering challenge. It includes the North Channel, the Cook Strait, the Molokai Channel, the English Channel, the Catalina Channel, the Tsugaru Strait and the Strait of Gibraltar.