The Saucony Endorphin Speed 4 is intended to fit into Saucony’s Endorphin line up as a training companion to the race-day Pro 4 — or even the more speed-focussed Elite models. But even though I’m an ...

From daily runs to tempo workouts to race-pace fun, the Speed 4 delivers a push-the-pace running experience. "The Endorphin Collection is the result of our commitment to make runners of all abilities ...

Add Yahoo as a preferred source to see more of our stories on Google. For its latest collaboration, Saucony has teamed up with Black Girls Run! (BGR), an organization dedicated to motivating Black ...

Despite high ratings among our testers, staff, and even my PT, I never laced up an Endorphin Speed that I liked—until now. I chalk up my distaste of the first three Endorphin Speeds to their fit. Past ...