CONGRATULATIONS! YOUR LIFE IS ABOUT TO CHANGE.

GET STRONGER & HEALTHIER IN JUST 15 MINUTES PER WEEK. PERIOD.

At ALL-IN-15, we understand your initial disbelief. How can one achieve strength and muscle gains in just one 15-minute session per week? We know it sounds too good to be true; here is why it’s not. Our hyper-focus on eccentric training, a.k.a. resistance training, and state-of-the-art technology only pro-athletes have access to.


Science shows that resistance training/ eccentrics is the only meaningful way to build muscle and bone while losing fat– the foundation of good health and quality of life. The problem is that in a free-weight setting, you can only resist 50% of what you're capable of, leading to more time in the gym and painfully slow results. 

 

At ALL-IN-15, we safely load you with 100% of the weight you can resist, allowing you to achieve exponential results in just one session per week.

 

Still don't believe us? Book a free demo now! 

FREE DEMO HERE

WHAT BENEFITS CAN I EXPECT AT ALL-IN-15?

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John Hecker, ALL-IN-15 Founder

ALL-IN-15’s revolutionary process builds strength by focusing on eccentrics using state-of-the-art Kineo System machines and real-time fitness data. This training methodology was developed by Certified Strength and Conditioning Specialist John Hecker, the country’s foremost expert on eccentric training and the only master-certified Kineo trainer in the USA.


John, a former NCAA Division 1 football player, works with clients ranging from professional athletes to parents and their children. He aims to make people healthier so they can live life to the max!


LIFE-CHANGING RESULTS

What Our Clients Are Saying


“All-In-15 is the BEST decision I’ve made for my health and my life. It is the ‘Yes’ you will be forever grateful for! It’s hands-down the best gym to reach your goals.”


– Alicia, Windsor, CO




“I don’t think another workout exists that is more efficient at building muscle in the amount of time dedicated to working out. If you value your time, you will value All in 15.” 


– Derek, Windsor, CO




“The combination of cutting-edge, scientific workout equipment and John's expertise as a personal trainer has not only slowed the aging process (I am in my 60s), but has restored and improved my core strength and balance. Until I experienced the workout and the positive results, I could not have been convinced that working out for a few minutes once a week was a feasible reality for fitness. Now, almost two years later, I am a firm believer.”


- Luke, Windsor, CO



Your Health. Your Time. Your Life. MAXIMIZED.

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