I don't do speed intervals. Speed intervals are important when training to race 5K or 10K or even 1/2 marathon. I do VO2max intervals every other week instead. I also do tempo and fartlek once awh ...
Hi Miller, Thanks for your advice on Sat!!
I have heard that the speed of Tempo run should be just less than that of the race, and usually the distance of tempo run is less than 10K. Is that true?