This Week, Challenge Yourself With a Tempo Run
by Beth Skwarecki on Vitals, shared by Beth Skwarecki from Lifehacker on (#4CHVP)
Have you gotten out the door yet to join our running challenge? This April, we're going to explore the different kinds of workouts runners do, to show you that it doesn't have to be just one long painful slog. As we head into the second week, let's explore my least favorite variation (I promise it gets better from"