Everything You Need to Know About Running While Pregnant by Teal Burrell You’re growing a tiny human inside of you, and you feel enormous, exhausted, nauseous, and like you need to pee every five minutes. Should you lace up or rest up? How will pregnancy affect your running? Is running while pregnant safe? Here’s what you might expect when you’re running while pregnant. Reasons to Run While Pregnant Exercise throughout pregnancy—at least 20 to 30 minutes a day on most or all days—is recommended by the American College of Obstetricians and Gynecologists (ACOG). Doing so reduces the risk of gestational diabetes, preterm birth, pre-eclampsia (pregnancy-induced high blood pressure), having a baby with high birth weight, and the need for a cesarean section. It may also improve your baby’s brain development.