10/08/2011 08:44 am ET Updated Dec 08, 2011

Marathon Training Tips From Jillian Michaels

Fall is marathon season -- big time -- and if watching all the runners lace up around you has you inspired to try out your first 26.2-miler, you're probably going to need some training advice. Enter fitness pro Jillian Michaels, who shares her tips here on how to gear up, stay motivated and train injury-free for your first big race day.