NOTE TO READERS: "Stretching Out" now runs in print on Sunday, in the Sports section. Used to be, I simply tried to run fast. Now I try to run slowly, with a purpose. A convert to the Maffetone Method ...
One way to tune into heart rate: the Maffetone method, a.k.a. MAF method. It’s a strategy based on maintaining a low heart rate for most of your runs, with the goal of revving your fat-burning engine ...