P Parmjit G New member Dec 1, 2010 #1 should you run at a constant speed the whole time or run at different speeds. like run for 5 minutes then walk alittle then jog then go back to runnning and so on..?
should you run at a constant speed the whole time or run at different speeds. like run for 5 minutes then walk alittle then jog then go back to runnning and so on..?
