About
Shifting the Paradigm
The fitness industry is noisy and constantly peddling a new trend—not us. The best researchers in the world have studied the benefits of eccentric training for several decades. You are strongest in the eccentric, and we use a controlled environment to hypercharge your strength.
Our Vision is Simple
Make the future of strength training as efficient as possible. Our goal is to help you build strength to future proof yourself for whatever your life demands.
Mission and Values
ALL-IN-15 is more than a workout—it’s the best way to achieve longevity.
Innovation
The best science, tech, and trainers combine to shift the paradigm in the fitness world.
Efficiency
Even the busiest individuals can spare 30 minutes per week.
Partnership
We're your partner in your strength journey.
Longevity
You get one body; make sure it's built to stand the test of time.
We Understand the Challenges
Spending hours in the gym works for some people. But life gets busy, and devoting hours to the gym is unrealistic at a certain point. ALL-IN-15 fits easily into your life. Have confidence that your time in the gym is achieving the best results.
We built our advanced, personalized approach to instill confidence.
- Real Time Data: see how strong you're getting after every session.
- Scientific Excellence: ALL-IN-15 exploits the best science to keep you building muscle.
- Private: You have our full attention. No group sessions; our goal is to achieve your goal.
Be confident in your training; book a free session now.
Meet Our Team
Our dedicated team of experts is passionate about helping you achieve your health and fitness goals
John Hecker
With an Exercise Science degree from Colorado State University, John is a recognized expert in eccentric training and human performance. Over the years, he has helped clients recover from a range of challenges, including Parkinson’s, ACL injuries, osteoporosis, and joint instability. As a CSCS and TPI-certified professional, John’s focus is on creating personalized training experiences that are as safe as they are transformative.
"I’ve seen how powerful eccentric training can be. It’s not just about building strength—it’s about giving people their lives back.”
Caleb V.
As a seasoned entrepreneur passionate about innovation, Caleb brings the business acumen and vision needed to make ALL-IN-15 a reality. His dedication to building systems that work for busy, driven individuals has shaped the program’s focus on efficiency and exceptional client service.
“We designed ALL-IN-15 for people like us—those who want to be healthy without wasting time in the gym. This is more than fitness; it’s about creating a better way to live.”
Muscle is the Currency of Health
You need muscle. Muscle keeps you moving, prevents injuries, and increases your metabolism. Our revolutionary training method will help you preserve muscle and build strength.
At ALL-IN-15, you will experience:
Eccentric Training
Work smarter, not harder. Eccentrics are the best way to build strength.
Safety First
Gain strength without worrying about injury.
More Energy
With more muscle comes more energy to do the things you love.
A Faster Metabolism
Muscle burns calories. The more you have, the faster your metabolism.
Longer Vitality
More muscle is linked to a longer, more quality life.
Transformative Data
We don't guess. We know exactly where you need to build strength.
Our State-of-the-Art Technology
At ALL-IN-15, we use specialized, state-of-the-art Kineo Intelligent Load machines created by Europe’s leading minds in the field of exercise science. These machines precisely control weight resistance levels millimeter by millimeter, ensuring optimal resistance training in each session.
The ALL-IN-15 Experience
ALL-IN-15 isn’t just a workout—it’s a reimagined approach to fitness designed for people who value their time and results. When you join, you’ll receive:
Tailored Training: Each session is built around your unique goals, whether you’re recovering from an injury, building strength, or improving performance.
Cutting-Edge Technology: Our advanced Kineo Intelligent Load Machines ensure every second of your workout is optimized for maximum results.
Expert Guidance: Our trainers are All-In-15 certified so you’ll always feel supported, safe, and challenged.
Incredible Efficiency: Achieve the benefits of a full week’s worth of workouts in just one session per week.
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