Boost your workout by adding a heavier weight in this higher-level HIIT class. Challenge yourself through High Knees, Plank Walkouts, Hollow Holds, and Crunches to get a proper sweat and feel powerful when you finish. This class previously aired on December 10, 2022.

HIIT your reset button with this routine that pushes through fast-moving cardio blocks broken up with challenging strength work. Warm up, then power through three rounds that include Bent Over Row, Mountain Climbers, Donkey Kicks, Squat Marches, and Plank work. This class previously aired on November 18, 2022.

Reach every “push and pull” upper body muscle group, including your back and core, with powerful, prop-optional intervals. Maximize strength with Push Ups, Bent Over Row, Overhead Press, Bicep Curls, and Tricep Dips — exercises that support posture and functional movement. This class previously aired on October 10, 2022.

This higher-level workout puts your endurance and strength on blast with Tabata-style HIIT — powerful bursts with short breaks — perfect for morning or after-work energy. Sweat through Jumping Jacks, Speed Skaters, Plank hold, and Lunge Jumps to boost your fitness game completely. This class previously aired on October 4, 2022.

Sweat through five energizing Tabata-style HIIT rounds with eight intervals (20 seconds on, 10 seconds off) and a full minute of recovery between rounds. Move fast and strengthen your entire body with Push Ups, Jumping Jacks, Split Squat Jumps, Knee Drives, Mountain Climbers, and Burpees. This class previously aired on October 3, 2022.

Whether you’re new or returning to strength training, this class is perfect for you to get going. With just the right amount of challenge blended with uplifting motivation, work your entire body through exercises with your band, Rows, Deadlift, Squats, and Push Ups. This class previously aired on September 12, 2022.

Push yourself through this sweaty, challenging HIIT class by increasing the intensity — with weights, variety, or reps — through each round. Build your muscular and cardiovascular endurance with various functional movements, like Squat with Overhead Press, Reverse Lunge, Bicep Curl Squat, Tricep Extension with Bridge, and Plank Walk Out. This class previously aired on August 30, 2022.

Get ready to work your entire body with challenging strength rounds alternating with sweaty, high-intensity cardio blasts. Put your muscles to the test with Squats, Curtsy Lunge, Overhead Press, Russian Twist, a Pilates ab series, plus various jumping cardio moves. This class previously aired on July 18, 2022.

Get your sweat on! This challenging class gets your heart pumping through four blocks of HIIT with high-impact plyometric exercises. Power through Pop Squats, Breakdancers, Plyo Lunges, and Burpees, then finish with a three-minute AMRAP ab round (as many reps as possible). This class was previously aired on June 15, 2022.

Tap into the twin energy of Gemini with this HIIT-recovery fusion that helps you embrace your liveliness. Start with four rounds of heart-pumping HIIT, with options for high- and low-impact, then finish with 20-minutes of deep stretching. Moves include Jacks, Knee Raises, Squat to Bear, leg-opening poses, and a spinal twist. This class is a part of Mark’s year-long astrology series. Each class features qualities of one of the 12 astrological signs. This class was previously aired on May 20, 2022.

Take it up a notch with this sweat session that brings your endurance to the next level. Push yourself through challenging, bodyweight-only HIIT exercises including Squat Twists, Lunges, High Knees, and Skiers to finish feeling like a champ. This class was previously aired on May 10, 2022.

This HIIT class increases your stamina while building strength and stability in your legs. Get ready for four Tabata-style blocks and an all-out two-minute AMRAP round (as many reps as possible). Exercises include Thrusters, Jump Squats, Reverse Lunges, Curtsy Lunges, and Speed Skaters. This class was previously aired on May 4, 2022. Props Suggested: a set of dumbbells.