20100501-LPR_0100 By Liz HichensPublished Sep 7, 2010 comments Tweet Share << Back to StoryOpen full size in new window.One of the top mistakes beginners make is pushing too hard too early in the race. Photo: Larry Rosa Liz HichensLiz Hichens is the Web Producer of Triathlete.com. She is an Ironman and marathon finisher and fan of all endurance sports.Follow @lizhichensAll articles by Liz