My new running shoes arrived. Being a life long runner nerd, I like to study where the tread got thin on my old ones. All in the toes and mid-foot. You can tell a lot by looking at the bottom of old shoes. If the tread is worn off on the 'inside' or 'outside' or back... it can tell you about your foot strike.
Left = Old, Right = new (after one run, I couldn't resist)
DRILLS TO IMPROVE YOUR STRIDE & FOOT STRIKE
These drills are from an article on Sara Hall in the NYTimes a couple years ago. To read the article and get more tips click here: NYTIMES.com