s someone who runs lately, on average, two miles a couple times per week, I feel a bit sheepish describing myself as a runner to someone who runs 5, 10, or 20 miles at a time. But the is unnecessary. As a runner of “short” distances, I have plenty of company among fellow runners—and the many “Ongoing work in the field continues to demonstrate that regular exercise of all levels is beneficial in many ways,” at Brigham and Women’s Hospital, says.
“A lot of people don't have an hour to an hour and a half to go out, spend the time out there, including the stretching and the warmup and everything that goes along with it,” Dr. Miller says. “But to run 20, maybe 25 minutes for a three to 3.5 or a 3.1, is much less daunting of a task for a novice runner to do.
“It’s about being well rounded,” Dicharry says. “Running's a great sport for your heart and lungs. It builds really good physiological fitness, but running is not enough of a workout toMiller says shorter runs might even help prevent injuries in comparison to longer runs.