If you follow the run/walk method, you know alternating run and walk intervals can save energy and ultimately improve your overall pace. And if you progress those run/walk intervals the right way, you ...

Q: I got into a discussion the other day about the lenght of intervals. This program has as you know one interval of 30 seconds and one of 1 minute (I am just finishing week 2 and those have been the ...

There are all types of cycling intervals under the sun, including short Tabata-style intervals of repeated on-off efforts which have become popular. How effective are they compared to longer, steady ...