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30 Minutes of Pure HIIT


High-Intensity Interval Training (HIIT) is short rounds of high-intensity exercise followed by periods of recovery. The basic recipe is to go as hard as you can, rest and then repeat. Olympic athletes have been using this type of training for years and it is now one of the most popular fitness trends in the world.

3 Reasons To Do LES MILLS GRIT™

  1. Proven Results
  2.  Burns calories for hours after your workout
  3.  Get fit fast. 30 minutes is all it takes.

It’s undeniable. LES MILLS GRIT™ works! You get results. It’s that simple.

LES MILLS GRIT™ workouts are scientifically proven to keep your body burning calories for hours after the last burpee. You get support from those around you and the coach beside you. LES MILLS GRIT™ gives you a real sense of confidence and achievement every time. It will quickly help you develop a lean, athletic body and it’s all done in 30 minutes. Too easy.

There’s no disputing it. It’s scientifically proven that LES MILLS GRIT™ works. The HIIT training effect means you burn calories for hours after the workout, increase aerobic fitness, unleash fast-twitch muscle fibers and grow lean muscle tissue, burning fat. The secret to ultimate fitness and results is not in adding volume, but intensity. LES MILLS GRIT™ workouts are best served on top of some base fitness and other moderate intensity exercise. Just remember there can be too much of a good thing. HIIT is hard core and your body needs time to recover. Keep your LES MILLS GRIT™ sessions to 2-3 times a week (maximum) as part of a wider fitness diet and you’ll be flying in no time.

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How Do I Get Started?

Turn up. It’s that simple. 

Show up a little early so you can let your coach know that it’s your first LES MILLS GRIT™ workout. Don’t be shy to work at your own pace and stop when you need to. Your coach will work out on the floor, motivating you and the team around you to go harder. You’re fitter, faster, and stronger than you think. Trust us. Your coach will help out with technique and show modifications that cater to all fitness levels.

GRIT is included with the Unlimited Membership only and cannot be used with any promotional membership, including Groupon. A GRIT workout pass can be purchased as a single drop in of $25, or in a block of 10 or 20 workouts. CLICK HERE to purchase.

Meet Jenni

Jenni was already in great shape. A beautiful woman inside and out. She'd been working out, eating healthy, and doing semi-private training sessions. Then she said YES to GRIT and it completely changed everything.

Three week results with GRIT

“I’ve already lost 6 lbs and I had to PIN the waist of my bathing suit bottoms so I can wear them today!! I was working out a good amount before GRIT but this program has made a crazy difference! Plus, I can see my abs after 2 kids (Csections) AND I am in my 40s!!!! You need to try GRIT at KORU.”

Believe the science. Believe the results.

Check out the testimonials from past GRIT participants. (This could be YOU!)

“I feel stronger, I have more endurance and energy. I am already noticing changes in my body. I feel absolutely amazing and I know it’s only going to get BETTER!”

“Endurance, inches lost, my energy level is higher
Feeling a bit stronger, even with my asthma I notice I don’t have to step out for as long.”

“I feel so much healthier, leaner and stronger! It’s no longer about the number on the scale – I simply love how this challenge has made me feel!”

“Feeling stronger, tighter. Definition in arms!!!!”

“Clothes fit better. Muscles starting to be defined.”

“I really watch what I eat now. Way more conscious of what I put into my body.”

“I have more confidence in myself and my athletic abilities. I think I am finally overcoming that voice in my head that tells you that you can’t do it!!”