Dwayne "The Rock" Johnson's Workout Routine and Diet Plan
CrossFit Workouts by Invictus that you can do at the gym or at home. All you need is a kettlebell! (Featuring: Athlete Lauren Fisher)
Fartlek: A Swedish Training Trick for Better Running - Dr. Axe
3 CrossFit-Style Workouts for Strength and Conditioning
Excellent guide to running a half marathon. Other training programs, too!
Marathon Training - 12 Week Program
Zona Fitness half #marathon ready!