In choosing to run a half marathon, you are choosing the most popular race distance in America. According to Running USA, 2 million runners did a half marathon last year. That is four times the number of the half million who ran full marathons. If your long-range goal is 26.2 miles, a 13.1 mile race offers a good starting point. Before starting to train for a half marathon, you need to possess a basic fitness level. But assuming no major problems, most healthy people can train themselves to complete a 13.1-mile race.
Below are links to additional tips and best practices: