Injury-free running is more than doing daily pre- and post-run work.

When I was a first-year coach, I was convinced that if I could keep athletes healthy throughout a season, they'd run PRs. 

Twenty-three years of coaching have only strengthened my conviction. 

Now I have a system that keeps kids injury-free.  

I want to share it with you today. 

You know that injury-free, consistent runners race faster. But what exactly do they do? 

I'm go...