Exos | Formerly Core Performance

Set Your Fitness Goals. We'll Help You Achieve Them.

Join for free and you'll gain instant access to our tracking and reporting tools, expert coaching tips, and a free trial to our personalized training and nutrition programs.

Cardio

Play Better

How to Crack a 5-Minute Mile

A simple tweak to your running routine can help you shave time off your race pace and burn more fat.

Live Better

Why Your Resting Heart Rate Matters

Your at-rest heart-rate can reveal potential heart problems down the road. This article explains why.

Play Better

Beat Your Best Running Time

Looking to increase your RPMs? Try turning up the BPMs on your mp3 player.

Live Better

Don't Be a Cardio Casualty

Ramp up your training carefully according to your fitness level.

Live Better

Is Your Heart a Ticking Time Bomb?

A recent study says shedding excess pounds can add years to your life.

Workouts

Improve Your Endurance

If you're a new runner, this training plan will help get you started.

Workouts

The Metabolism-Boosting Workout

Rev your fat-burning engine with this challenging training session.

Play Better

Running Pain Prevention for the Road Warrior

Stop running through nagging pains and injuries. Here's how to avoid the hurt.

Movement

How to Calculate Your Maximum Heart Rate

Use this simple formula to train your body's most important muscle: the heart.

Nutrition

Q&A: Eat Before Morning Run

Our resident nutritionist explains how to properly fuel for your morning run.

Play Better

Improve Your Speed, Balance, and Agility for Ice Hockey

Excel on the ice and build a more athletic body for any sport with these innovative training strategies from performance specialist Zac Woodfin.

Movement

The Case Against Walking

Most cardio workouts are exactly wrong. Find out if you're wasting your time in the gym and what to do about it.

Movement

The Case for Jumping Rope

This classic training tool is extremely versatile and valuable.

Movement

Q&A: Heart Rate Training Zone

The myth behind the target heart rate training zone.

Movement

Q&A: Heart Rate Zones

How to monitor your heart rate zones when training.

Movement

Q&A: Burning Lungs

Use interval training to improve your anaerobic threshold.

Movement

You Can't Run to Get Fit

You should not run to get fit, but be fit when you run, if you must.

Movement

There's No Such Thing as the Fat-Burning Zone

Forget mythical fat melting zones. Train harder to burn calories and you'll look stronger and leaner.

Core Performance Endurance Book

Store

Core Performance Endurance Book

As the third installment in Mark Verstegen’s Core Performance series, the Endurance book offers a new application of the workout program designed specifically for the endurance athlete and focused intently on the muscles of the core – the shoulders, hips and midsection.

Core Performance Endurance DVD

Store

Core Performance Endurance DVD

Improve your endurance with instructional video featuring Mark Verstegen, exercise programs, and a complete recovery and nutrition program.