by Scott Jurek, Published Dec. 29, 2011, Updated Jan. 25, 2012 at 4:43 PM PDT
You’ll be a better runner… seriously.
by Matt Fitzgerald, Published Jun. 14, 2011, Updated Jun. 14, 2011 at 10:29 AM PDT
It depends on the length of the race you’ve just completed, your fitness level, and when you plan to race next. Matt Fitzgerald explains.