Whether you’re running a marathon or struggling to keep up in tabata class, you’re bound to have off days when you don't think you can hang in there for a minute longer. But giving in to your desire to quit makes it easier to do so again the next time, says Tom Holland, C.S.C.S., author of The Marathon Method, and that can become a slippery slope.
"If you feel as if you can't go on, just do it. Slow down and take it a step at a time," he says, adding that you'll feel better at the end of your workout and be glad you stuck with it to the end. “The workouts you don't want to do are the ones that make you feel the best afterward. Pushing through becomes easier each time."
Wrap up your next grueling workout feeling like a rock star by calling on these expert tips.