Burn Mega Calories and Sculpt Your Entire Body With These Free 1-Hour Workouts

Here's an epic hour-long cardio-boxing workout for you. Christa DiPaolo, creator of The Cut by Equinox, will lead you through her 60-minute signature workout that mixes high-intensity conditioning, boxing, kick-boxing, and bodyweight strength-training moves.

This circuit workout from The Biggest Loser: Australia trainer Michelle Bridges is not for beginners, so if you're new to the gym, then start off slow and modify as you need to.

By combining high-intensity intervals on the treadmill with serious strength work, this 60-minute workout targets every muscle group in the body while never letting the heart rate drop.

Kick it up a notch with this hour-long treadmill interval workout that will burn around 500 calories in one session.

This challenging treadmill interval workout has your name all over it. Mixing up your pace every few minutes is a technique that helps blast belly fat and keeps things feeling fresh so you don't deal with the boredom that can come from a long treadmill workout.

This 60-minute workout alternates between walking briskly and jogging slowly, and you'll burn just over 300 calories.

Try out this hour-long elliptical plan that throws in minute-long sprints to get your heart rate up and the sweat pouring down all while helping to blast away belly fat.

Known as The Hollywood Trainer, celebrity trainer Jeanette Jenkins works with Pink and Alicia Keys, among others, and now she's going to put you through your paces to burn 600 calories.