This is what running 26 miles actually does to your body

Today thousands of people will be pounding the pavement in London, as the London marathon takes place.

The runners will be undertaking the 26.2 mile route, and whether they’re an elite athlete or a novice, there’s no denying that it will have a major impact on their bodies.

Even with all the necessary training and all the right gear, even the fittest of individuals will notice considerable changes to their body when running such a distance.

Obviously, it goes without saying that running a marathon is a very personal experience and a variety of things will affect your run – such as stress, injuries and training. But, on the whole, there are a few different things that will happen to your body during it, and afterwards.

From endorphin surges to back ‘bounces’, experts share some of the things to expect when y...