http://www.self.com/fitness/workouts/2009/02/workout-on-a-staircase-slideshow?mbid=enws_mow0421#slide=1
Spin workout...
http://www.self.com/fitness/blogs/freshfitnesstips/2011/07/blast-calories-with-this-20-mi.html
Danielle's knee strengthening workout:
http://www.bigkneepain.com/knee-exercises.html
Lean Legs, Tight Tush: With all of this running, it's important to keep our lower bodies strong enough to carry us across that finish line! And, we might as well look good doing it!
