While it’s fair to say that most people participate in sport for the adrenalin rush it provides and are satisfied with the thrill they get from playing football or running a marathon, there are a few brave souls who like their hobbies to be a little more dangerous. These are the kind of people who don’t feel alive unless they are pushing their bodies to their full limits and laying their lives on the line. Whether it’s by throwing themselves off a mountain or head-first down a waterfall, some people like to put the ‘Extreme’ in sport. The following are a list of 10 of the most extreme sports on the planet. Just reading about them will get your heart racing, so think how it must feel to actually take part!