Instead of just another article on running, I thought it might better serve you to select some articles & books that I have found helpful as part of my on going continuing education on running & endurance sports. Below you will find several links on various topics in the running world. Some may just be reminders on things you already know, others new knowledge you may wish to implement on your next run.
Also, here are a few run specific books I like:
Make it a great week of training. Coach Eric