The 8 Best Stretches to Do Before Running | Nothing can derail your fitness goals like an injury. Running with muscles that are cold and not properly stretched can result in a muscle strain that keeps you off your feet -- and off the road or trail -- for days, weeks or even months. Beginning each running workout with a 5- to 10-minute jog followed by stretching helps warm up your muscles sufficiently so they�re primed for your run, whether it�s a couple of miles or a marathon.
