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The best fitness experience on a tennis court


Limited Time Offer: Try your first class completely free!
Get Lean
Burn Calories
Build Strength

What is inTENNSity?

InTENNSity is a racquet-and-ball group fitness class that’s as challenging as it is fun. We combine the science of heart-rate monitoring with dynamic game-based activities to maximize caloric burn and fat loss while creating an engaging and exciting environment. In fact, we’re the only high intensity interval training class that involves games. It truly makes the time fly. InTENNsity is a results-driven workout experience that will leave you craving more!

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What should I expect in class?

All you need to succeed on your fitness journey are 60 minutes of InTENNSity with our professionally trained instructors. They will guide you toward your goals and the results are proven through our heart-rate technology.

Each class progresses from a dynamic warm-up to short drill-based activities. Thirty minutes of class are spent playing games so you’re getting in your HIIT all while having fun! A key element of the work-out is our special-designed fitness balls. The ball bounces lower and slower challenging you to move more.

Monitor your performance data on screen throughout each class and keep track of what a great job you’re doing. After your InTENNSity workout, you will receive a recap email with your performance data, including time spent in each heart rate zone, calories burned, and more.




Who does it work for?

Try us out if any of the following sound like you!

  • If you thrive in engaging and fast-paced exercise classes
  • If you’re a non-tennis player looking for a fun way to get introduced to the sport
  • If you’re a tennis lover seeking an effective aerobic and anaerobic workout
  • If you’re active and enjoy technology-backed fitness
  • If you’re looking for a little friendly competition
  • If you’re searching for a workout that provides total mind-body engagement
  • If you’re looking to cross-train for other sports
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Did you know…

Everything about InTENNSity is backed by research. Looking for a reason to pick up a racquet?

  • Tennis players live longer (Yes, this is a fact!)
  • Tennis increases brain functionality
  • Tennis improves problem solving skills
  • Tennis outperforms all other sports in developing positive personality characteristics



"I enjoy running and going to the gym but I was looking for something different. I need to be challenged but it’s hard to find things that keep my excitement. A friend suggested I try InTENNSity. Initially, I was a little intimidated because I had never picked up a racket in my life, but the instructor made me feel really comfortable and the special fitness balls equalized the playing field, so even though I was a beginner, I was right in the mix with more experienced players. I honestly couldn’t believe I burned over 700 calories in an hour while having a blast. I am hooked for sure."

-Trevor Bailey (Virginia Beach, VA)

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