Cup of Tri Triathlon Podcast #57: Triathlon X's Mark Blackburn

What the hell has Rob got himself into? He interviews Triathlon X race director Mark Blackburn. If you don't know, Triathlon X is promoting itself as the World's Hardest Iron distance triathlon. Swim in Windermere, ride the legendary Fred Whitton route, run from Ambleside to the top of Scafell Pike and back.  With over 5000m of climbing in the race, surely you'd have to be nuts to enter? Well, non of us here are normal, are we?! :)