Running is one of the latest fitness crazes that is sweeping the nation. Every weekend there are races of different distances from the 5K to the full marathon. And for good reason, running is one of the most effective ways of maintaining and improving cardiovascular fitness, especially as we age. It is quite simple to find a simple beginner’s training program that will help you move from a sedentary lifestyle to running your first 5K. And for those who have been running for awhile, the full marathon is a challenge well accepted. But as a runner, it is very important to protect your body from injury and to run safely. Before beginning any running regimen, always get clearance from your physician. Here are a few tips for adult runners.