By only using the short band you will burn out your backside and probably curse out loud more than once during this 20 minute challenge.

You only need 1 heavy weight for this glute and hamstring challenge. All rounds will be 60 seconds long. You will need elevation of either a step, couch, chair, etc. for hip thrusts.

The focus of this challenge will be on the obliques using 1 heavy weight. This workout is guaranteed to make you sore the next day.

You will begin with biceps and work your way into plank variations and top it off with triceps. The rounds are short so challenge yourself to NO BREAKS!

Chest flys, chest presses, and push ups... oh my! Kim will give you a "break" while doing quick core challenges.

You will get to work right away in this challenge! Each block is made up of 3, 45 sec cardio rounds and a 90 sec endurance round. Don't miss the end for all out sprints!

You will target your glutes and hamstrings in this 20 minute challenge. Grab heavy weights as these are some of your largest muscles... they need it!

With the help of an optional loop band, this challenge will guide you through core dominated exercises. The perfect add on to a cardio or heavy strength day.

The inner thighs can be overlooked on "leg day" but this challenge will focus on only these forgotten about muscles. You will need a slick floor and either a plate, towel, or socks to complete.

What isn't this challenge? Legs, shoulders, cardio. The best of all the worlds collide in this 20 minute crusher! You need a loop band and a heavy set up weights.

Throwback: This cardio & arm challenge weaves the world of strength and sweat. You start off each series with different style push-ups, as each minute passes you add a cardio move with the strength move, slowing losing the strength move and just leaving cardio. No Equipment needed.

Enjoy this all out cardio challenge with no equipment needed. Trummer hopes you enjoy the weave rounds, he did!

This tricep and cardio challenge will leave your arms shaking and heart pumping. You will need light and medium weights. You can use table or chair in place of the plyo box.

Runner? This mobility challenge is for you. Anna will walk you through 20 minutes of mobility and recovery work specifically targeted for the runner. Grab a towel or long band to help with the stretch.

This recovery challenge is focused on shoulder mobility. This is a great compliment to a heavy upper body workout and important for your overall fitness. You need a lacrosse ball, foam roller, towel/long band and chair.

Anna will walk you through upper body mobility and recovery. Focus will be on your shoulders and upper back.

Anna will walk you through lower body mobility focusing on your hips, glutes and hamstrings. Gimme more.

Get ready to burn out your legs with this challenge. All it takes is 20 minutes and a set of weights. If you want to strengthen and tone your legs, this workout is for you.

Ashley will use light weights to guide you through an intense yoga flow. The use of weights will tone and tighten your muscles and the fast flow will keep your heart rate up.

In this challenge Ashley will break down the basics of yoga. She will walk through the common poses and break down correct form and alignment. Even for the seasoned yogi, this is a challenge you don't want to miss.

This power flow challenge will target your obliques to not only stretch them but to work them! Get ready for a challenging power flow to leave you feeling lengthened and strengthened.

This restorative challenge will focus on releasing tension in the shoulders, neck, and arms. It is a great challenge to pair with a 20 min strength upper body burnout.

A chest burnout without any push ups. Throw in heavy weights to help build strength and muscles.

This is the perfect 20 minute challenge to compliment all the other classes and challenges within The System. Ashley will walk you through a flow that will leave you feeling loose and refreshed.