Your Perfect Tempo This "comfortably hard" run is the key to racing your best, at any distance. Here's how to add tempo runs to your weekly mix. By John Hanc Published 05/23/2007 ... VERY interesting! I've been reading more and more about this lately and it makes perfect sense! Let's get comfortable with being uncomfortable folks!
"Your Perfect Tempo", by John Hanc (Runner's World Magazine Online; 05/23/07). The all-important, 85%-93% HR runs! YES! They kick and hurt, but give excellent results when performed right. No pain no gain. Tempo, tempo, tempo! Keep calm and do tempo runs!!!