Supplemental (Core/Strength) Training

During the summer, you should do supplemental training at least 4 days a week.  This includes yoga, strength training, and/or plyometrics.  This type of training help to make you a more efficient runners, and it can help to dramatically reduce your risk of injury.  I have included links to informational articles and videos.  Do not be afraid to mix it up; make sure to try many different styles of exercise - you may find that certain exercises work better than others for your body type.  Develop a training program the fits with your schedule and the equipment the you have available.  

Articles:

Strength-Training Circuit For Distance Runners

Get Stronger In Under 20 Minutes A Day

Adding Relative Strength Is A Must For Distance Runners

10 Essential Strength Exercises for Runners

Strength Training Program for Runners

Videos: