.Beginners and regular runners all fall foul of the most common cause of injury: progressing too fast, too soon. Increase mileage or speed, but not both. A newcomer's biggest measure of success at six months would be to have built up to three or four consistent runs a
GETTY IMAGESMost runners know about injuries. They're almost part of the game. Run long enough or hard enough, and you'll probably come down with an ache that will temporarily sideline you.Fortunately, most running injuries are short-term. After a