There are many reason why someone may prefer running indoors. Perhaps the weather is severe with frozen rain or extensive amounts of snow and cold, or maybe you need to stay close to home with a new baby in the home. Who knows, maybe you may even want to pursue the treadmill marathon world record set on December 11, 2004 by Michael Wardian, of Arlington, Virginia, (2:23:58) that exceeded Josh Cox’s 2:31:04, set at the Boston Marathon pre-race expo on April 17, 2004. Whatever the reason, if you need a bit of extra motivation to get in some training on your treadmill then you may want to consider one of the following videos to guide you: