, no matter what their weight."That's a great message, and one we should all take to our non-exercising, overweight friends. They need every bit of motivation they can get. Still, we should also remember that weight loss is almost always good. Because lean

-burning, which gives you more endurance for long runs and marathons.Running shorter and faster burns more total calories per minute or mile, which helps you lose weight, including body fat. Faster running also

Forgive the personal nature of this question, but how fat are you? Are you running to lose weight? Or have you come to Runner's World because you feel a little on the large side and don't know how to start? Unless you've spent

's not impossible. But a person who is overweight would be faster if he lost weight. Theoretically, a loss of about two pounds will increase speed by about a metre per minute of running. So if a runner runs a 5K in 20 minutes, a two-pound weight loss would make him

. GGWell, sure, it's not impossible. But a person who is overweight would be faster if he lost weight. Theoretically, a loss of about two pounds will increase speed by about a metre per minute of running. So if a runner runs a 5K in 20 minutes, a two

– and eat – to get the very best out of your body.Enduring Questions: What’s Your Ideal Weight? Start here - lock on to your weight-loss target by working out your ideal weight. GETTY IMAGESThe Basics To begin at the beginning – stick to simple healthy