YOU: Lean. Fit. Strong. Just 30 Minutes, Twice a Week.

Watch Fredrick Hahn, creator of the SlowBurn method of exercise on the Today Show with Hoda and Kathy Lee this past January 2017!


Schedule My Complimentary SlowBurn Personal Training Session TODAY!



What if you could become leaner, stronger, and healthier exercising for just 30 minutes, twice a week? And what if this small investment in time markedly improved your favorite sport or activity and decreased your chance of injury?

Our certified personal trainers specialize in a low-force, slow-motion strength training method called SlowBurn (demo video on this page). It is so potent that you will improve your strength, flexibility and endurance - without traditional aerobics or stretching. We guarantee it.

Click on the menu bar above for more detailed info and come in and enjoy a complimentary, no strings attached first session at our NYC or Montclair N.J. location.

Using our SlowBurn personal training method, you don’t have to be in shape to get started. Start and get in shape!

best selling book

SlowBurn owner Fredrick Hahn co-authored the best-selling fitness book The SlowBurn Fitness Revolution.

"I highly recommend Fred Hahn's SlowBurn system of exercise. His method is a potent means for developing yourself both physically and spiritually in a safe and time efficient manner."

Tony Robbins

Entrepreneur, Author,
and Peak Performance Strategist

Tony Robbins

Contact Information

NYC Location
169 West 78th Street
New York, NY 10024

212.579.9320
info@seriousstrength.com

Montclair, NJ Location
25 Watchung Plaza
Montclair, NJ 07042

973.233.1013
infomontclair@seriousstrength.com

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