Ready, reset, go: our Flat-Belly Challenge  has 21 days of belly-blasting workouts, tips, and recipes to help you start a new season on a fresh note. Day eight gets your fat melting with a 45-minute interval workout followed by a debloating avocado smoothie.
It's time to step up your fat-blasting running workout with intervals! Get ready to burn some mega calories with this longer 45-minute workout . Set the incline to one percent to prevent shin splints, and as with all our workouts, feel free to increase or decrease speed, depending on your level of fitness. Just note that doing so will alter the amount of calories you burn. Click here for the easily printable PDF  of this workout.
Detox Avocado Smoothie
Give yourself an energizing reboot while also debloating the belly with this vegan avocado smoothie . Made with fiber-rich avocado to keep things moving along, it's also made with hydrating aloe vera juice and coconut water, as well as toxin-flushing lemon juice to help keep your digestive system feeling happy.