15 Workouts Guaranteed to Test Your Mettle

Get ready for a full-body burn

If your training program has been on autopilot, it might be time to give your body a wake-up call. These 15 workouts are tough — they'll make your muscles burn as you sweat through each session — but they'll also push you past your comfort zone to clear and present results.

Spartan SGX Workout

Spartan race
Wayne Barnett/Flickr/CC BY 2.0

Spartan races are known for being one of the most challenging obstacle races around. If you've signed up for an event, you need to prepare with an equally challenging workout program. Spartan has developed the SGX training program with certified instructors ready to help you get ready for the race.

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5-Move Sandbag Workout

sandbag. Alpha Strong

Sandbags aren't just for slowing flood waters, they're great as a training tool. Challenge your strength and total condition with this five-move workout.

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Full-Body TRX Training Program

TRX Suspension Workout
Getty Images/Eliza Snow

TRX suspension trainers are only becoming more popular, and for good reason. They're lightweight, portable, and deliver a killer workout. Get started at home with this full-body routine.

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9Round Boxing Workout


If there's a 9Round boxing gym in your area, you need to check it out. The 30-minute circuit program may sound like no big deal, but it's actually downright killer.

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The Steel Mace Workout

Think of steel maces as really long, funny-looking kettlebells. The tool's unbalanced proportions and long handle make it perfect for high intensity swinging exercises as well as traditional strength training moves.

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Title Boxing Power Hour

Title Boxing's Power Hour is no joke. The 45-minute routine is a group-led class set to heart-pumping music, but don't let that fool you. The punching, kicking, and periodic strength training exercises will make you feel weak through the knees.

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Home-Based Amenzone Rebel Workout

Amenzone Fitness

When you're ready to pop in a DVD for a tough home-based workout, look no further than the Amenzone Rebel series. These bodyweight training exercises are basic, but the interval series will leave your body burning. Make each move harder by doing them with an old tire.

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GORUCK Good Livin' Challenges

GORUCK Good Livin' Challenges

Every exercise gets harder when you do it while wearing a weighted pack. The GORUCK Good Livin' Challenges are team-based events that will push your limits while encouraging camaraderie between participants.

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Special Forces Fitness Training

Special Forces Fitness Training. Augusta Dejuan Hathaway

This book offers inexpensive bodyweight training ideas and workouts that will help you train like a member of the special forces from the comfort of home.

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Orangetheory Fitness

orangetheory fitness
Orangetheory Fitness

Orangetheory Fitness is growing like gangbusters in part due to its seriously challenging one-hour workouts. Expect to spend time rowing, running, walking, and strength training with a group of your peers through every session.

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At-Home HIIT Training Routine

HIIT workout
Sheldon McBee

Nothing gets results like high intensity interval training. This basic workout requires little in the way of equipment, but its challenge will deliver big results.

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The Steel Club Workout

A steel club is a bit like a cross between a steel mace and a kettlebell. Like the other two tools, you can use it to swing, lift, press, and twist your way to a better body.

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Stadium Workout on the Bleachers

Running bleachers. Chuck Allen, Flickr, https://www.flickr.com/photos/chucka_nc/4487820102/

Have a set of stairs or bleachers? Put yourself through the paces with this climbing-meets-strength training routine.

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Brazilian Jiu Jitsu

BJJ isn't just for the MMA. While it may look like it's just rolling around on the ground, this form of martial arts is surprisingly tough and will leave you sore in places you didn't realize you had.

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Bikram Yoga

Yoga isn't usually thought of as a "test your mettle" routine, but hot yoga practices, such as Bikram yoga, are a whole different beast. In addition to stretching your limbs to their limits, you'll put your mind through the ringer as you challenge yourself to stay in the hot, humid room.

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