Are you ready to build up your endurance, but not a fan of long runs? Or, are you just starting a new exercise routine and want to condition your heart and muscles so you are not huffing and puffing after just a few minutes? Do this 4 week endurance building program and increase your workout duration up from 8 minutes to 30 minutes by the end. This program helps you gradually and safely increase your workout time to build your cardiovascular and muscular endurance as well as improve your overall fitness. As you progress, work on keeping your exercise intensity high for maximum gains from this workout plan. Give yourself an Endurance Boost!