Cardio (also called cardiovascular exercise or aerobic exercise) is an important part of staying physically fit. During cardio, your heart beats faster, pumping oxygenated blood throughout the body.

This mix of intervals, sprints, resistance running and goal-mile pace workouts will build your conditioning while providing multiple options on your track day.

Colette Dong, a co-founder of The Ness, joins TODAY’s Jenna Bush Hager and guest co-host Dwyane Wade to share different ...

These days everyone seems to be running, look out your window and you ... can’t run or the thought of it simply makes you sick. Cardio is important, but you do not have to run, there are ...