http://tracker.dailyburn.com/groups/24/subjects/86105 <p>I just founded a new challenge for this year, that will help you keep on track and motivated throughout this great year.</p> <p>It is called&nbsp;<a href="http://tracker.dailyburn.com/challenges/how_many_marathons_can_you_run_in_2012_daviddee">How many Marathons can you run in 2012</a>&nbsp;- and I don't care if you are a marathon runner or not.&nbsp;</p> <p>Check it out!</p> <p>&nbsp;</p> en-us