Yes, it's true: running "challenges and strengthens your core musculature," said exercise physiologist Tom Holland, MS, CSCS, a marathoner and fitness adviser for Bowflex. "The abdominal muscles play an important role in stabilizing the body and generating force while running," he explained.

Does running work your core?

While running is a whole-body workout, you primarily use your core and lower body muscles. It's important to keep these key muscles strong and healthy since they're responsible for stability, proper form, and spinal alignment — all of which help you perform at your highest capacity with maximum efficiency.

Can you get abs from running?

While most runners don't run solely to get abs or tone their body, it can be a nice side benefit of the sport. While running is primarily a cardio exercise, it does strengthen and tone many muscles in your body, including your abs.