by Nate Helming, Published Apr. 28, 2014, Updated Jan. 18, 2016 at 12:27 PM UTC
You might love running, or (ahem), at times you might hate it, but either way chances are you want to run faster and with better form.
Start your FREE subscription to Competitor Digital today!
Get our monthly digital magazine, weekly running content & exclusive offers delivered to your inbox.
© 2014 Competitor Group Inc. All Rights Reserved