by Jeff Gaudette
Could it be possible your heart-rate monitor is holding you back from reaching your potential?
by Matt Fitzgerald, Published Jan. 6, 2011, Updated Jan. 6, 2011 at 12:11 PM UTC
The short answer is: probably not!
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