Rules of Success  Follow these bedrock principles to achieve
your goal.  Image by June 12, 2012 Media: Rules of Success  Get
more secrets to marathon and half-marathon success here.  For
many marathoners, training consists of running as much as they
can, as far as they can, as fast as they can. The inevitable
result of which is burnout, injury, or dashed raceday
expectations. While you do have to push beyond your limits when
you're preparing to run long distances, there are time-tested
methods of doing so that have worked for millions of runners
that don't involve pain and anguish. In fact, we here at
Runner's World pride ourselves on being the experts when it
comes to safely–and successfully–preparing for marathons. We've
been telling people how to do that for more than 40 years.  We
tapped a few of our running superstars–Bart Yasso, RW's Chief
Running Officer and veteran of more than 100 marathons; Editor-
at-Large Amby Burfoot, author and winner of the 1968 Boston
Marathon; and Jennifer Van Allen, the 2008