Love this simple list. All of these are applicable on how to become a better entrepreneur and business owner. 13 Foolproof Ways to Improve Your Life + Become a Better Person Infographic, Self-Improvement, Health
This website has a lot of workouts laid out so that if you want an idea of what to do, you can grab one and go. The filter at the bottom of the page lets you select the type of workout (abs, strength, HIIT, etc) if you'd like to filter it down.