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The 4-Minute Circuit Workout You Can Do Anywhere
We dare you to tell us you don't have time for this total-body routine.
The Complex-Moves Circuit You Should Add to Your Workout Routine—and Why
The results you want in half the time.
Circuit Training Goes Old School for a Total-Body Burn
Put a fresh spin on old school bodyweight moves.
Instagram Star Kayla Itsines Shares Her 7-Minute Workout
Get ready to #sweatwithkayla: The creator of the Bikini Body Guide designed an exclusive 7-minute circuit workout for us.
Speed-Building Hills Sprints That Sculpt All Over
Runners, tackle tough hills—minus the huffing and puffing—with this surefire circuit.
Buh-Bye Boring Beach Workouts! Build Serious Strength on the Sand
Take your routine to shore to torch two times the calories and sculpt every inch of your beach bod.
10-Minute Tighten-and-Tone Circuit from Shaun T
The Insanity founder is back at it with this quick but effective workout routine that targets all your trouble zones.
The USWNT Endurance Circuit Workout
Train like a U.S. Women's National Team member with this endurance workout straight from the coach.
Nike+ NYC Exclusive Two-Week Training Plan to Become a Better Athlete
Are you a runner who shuns strength training? A gym rat who hates cardio? Follow this exclusive two-week training plan to become stronger, faster, and fitter.
Rev up your metabolism and burn more calories around the clock with this muscle-making circuit.
3 Strength Exercises from Snowboarder Elena Hight
The 2-time Olympic snowboarder shares 3 exercises that keep her body strong and injury-free.
60 Seconds to a Slimmer Body
60 seconds seems like nothing, but these fast circuits will prove that's all you need to tighten and tone your body.
The Best Fat-Burning Workout for a Packed Gym
These super-effective moves don't require tons of room or equipment—but deliver amazing fat-burning results.
4 Exercises for a Full-Body Blast
An effective workout doesn't need to be complicted. Do 4 rounds of this progressively challenging circuit to torch calories and tone up from head to toe!
The 15-Minute Cardio Blast
Keep holiday pounds at bay with this targeted training session that's as effective as 30 minutes on the treadmill.
The 20-Minute Total Package Workout
Squeeze in a complete cardio and strength session in minutes with our Black Friday Fitness program.
The Insanely Effective 15-Minute Workout
Make every second count with this action-packed plan that rolls cardio and strength training into one.
The 'I'm-Too-Busy-To-Work-Out' Workout
Only have time for one workout this week? Do this total-body, fat-burning circuit!
Workout Music: 10 Songs Perfect for Circuit Training
This mix bounces between songs around 130 BPM (for slower, strength exercises) and 150 BPM (for faster, aerobic ones) so your tunes will always match your training style.
The Best Workout for an Hourglass Figure
Try this plan to keep a shapely yet firm figure like Sofia Vergara.
The Proven Way to Melt Fat Fast
Short on time? This insanely effective circuit only takes 25 minutes!
Jillian Michaels' Summer SHAPE Up Workout: Month 2
Tone up in all the right places with this powerful plan from Jillian Michaels.
A Hunger Games-Inspired Workout
If you're like the millions who have read The Hunger Games books, you're probably psyched to see the movie when it comes out later this month. But instead of just hitting the movie theater to get your Hunger Games fix, why not work out like a character fr
The Ultimate Home Workout
Do this fat-blasting circuit in your living room—no equipment needed!
How to Build the Perfect Circuit Workout
6 simple steps to create the ultimate fat-torching routine.