A 160-pound person burns about 606 calories during 60 minutes of running at 5 mph. ACTIVE also makes it easy to learn and prepare for all the things you love to do with expert resources, training plans and fitness calculators. Increased loss of body fat is just one of the many adaptations your body makes in response to the demands placed on it when running sprints, also called high-intensity interval training (HIIT).

If you run at a pace of 5 mph, you'll finish each 5K run in about 39 minutes. Body Composition Body composition refers to how much of your body is lean muscle, organs, water, bone or fat. Overuse injuries result from taking on too much physical activity, too fast, and not allowing the body to adjust. But what does “strong” and “lean” really mean? Running every day may increase your risk for an overuse injury.

What Does Running Sprints Do for Your Body?. To cool you down, your circulatory system diverts blood flow to your skin, lending you a healthy flush. The more running you do, does not necessarily reflect on the scale but the more running you do, the better your metabolism is boosted which will help your body efficiently convert nutrients into energy within muscles. Special guest post by Jessica Thiefels, owner of Honest Body Fitness (bio below) Running is a great way to attain a strong and lean body, burning around 600 calories per hour efficiently and effectively. The calories that you burn during your 5K runs depend on your running pace and your current body-weight. You might be running 5k a day and not losing weight, but still your body is undergoing a transformation.

Let’s take a look at how it changes your body composition and your overall physical system, and what changes the body undergoes during an average run. You begin to torch calories (in general, runners work through about 100 per mile), including some that might have been stored as fat. All this burning of glycogen and oxygen raises your body temperature. ACTIVE is the leader in online event registrations from 5k running races and marathons to softball leagues and local events.