Jon, 32, says: “Now it’s all done there is an element of relief. I set myself this amazing, but let’s face it, crazy challenge and now it’s come to an end I feel a great sense of pride.
“Anybody who knows me knows that I’m a glutton for punishment, so I’ve already signed up for Paris and the Edinburgh marathon. Not to mention the 212-mile ultra marathon as well, I think I’ve got plenty in the pipeline to keep me occupied.