In my professional opinion, core strengthening exercise are some of the most important, yet most undervalued exercises in the running world. A strong core – which includes not just your abdominal muscles, but also your hips, glutes, and lower back – can not only help prevent injuries, but can make you a stronger, more efficient, faster runner that can run longer before experiencing fatigue. Here is a great no equipment necessary core strengthening workout for runners to get you started!