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a collection of diamond jewelry, colored gemstone jewelry, and luxury watches.

Our Mission

At Leo’s Fitness Lab, our mission is to revolutionize the way people exercise by combining advanced technology with expert personal training to deliver faster, safer, and more effective results. We empower adults of all ages—especially those 40 and beyond—to build strength, boost metabolism, and improve health in a fraction of the time.

Using state-of-the-art computer-controlled resistance training and metabolic technology, we eliminate guesswork and wasted effort—so every minute of your workout counts. Our goal is simple: help you achieve measurable results, feel stronger, and live a longer, healthier, more confident life. We’re committed to changing the way you exercise, so you can change your life.

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Success Stories

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Trainers

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Happy Members

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Years Experience
OUR certified

Personal Trainers

Meet our knowledgeable & friendly personal trainers.
Justin
Justin is an ISSA Certified Personal Trainer and Fitness Manager. He earned a Senior Fitness Instructor Certification for clients 55+ but trains all ages of clients. His combination of scientific and holistic fitness approaches can be tailored to fit anyone’s needs. Justin will perform client testing to determine your current level of fitness and create an appropriate fitness plan to help you reach your goals.
Sam
Sam has been a lifelong practitioner of fitness training, learning first from his father who was also a disciple of strength training. He majored in Sports Psychology at USD, learning the mental aspects of achieving peak performance. Sam is driven to coach effective workout sessions that produce maximum benefit for each client’s lifestyle. He maintains client motivation through consistent support and goal tracking on our state-of-the-art equipment. Sam enjoys time at the beach and in the ocean, where his lifeguard training keeps everyone around him safe.

About Us

I’m Leo Hamel, founder of Leo’s Fitness Lab - and you might also know me as the founder of Leo Hamel Fine Jewelers & Jewelry Buyers, serving San Diego for more than 46 years.
Jewelry has always been my passion but so has fitness. As a busy small business owner, I struggled to find enough time to stay in shape as I got older. I wanted a smarter, faster way to maintain strength and vitality—without spending hours in the gym.

This vision is deeply personal. Leo’s Fitness Lab is dedicated to my father, Master Chief Leo Hamel Sr., a Navy Frogman with the Elite Underwater Demolition Teams—the predecessors of today’s Navy SEALs. As a competitive bodybuilder, my father taught me the importance of discipline, strength, and lifelong fitness.

For years, I trained in traditional gyms—lifting weights, doing cardio, and taking classes—but I never achieved the strong, toned physique I wanted. After reading Body by Science, I understood why: most workouts waste effort and fail to stimulate true physical transformation. I set out to find a system that uses state-of-the-art technology to build strength and improve fitness as efficiently as possible.

That search led me to ARX computer-controlled resistance training, the most efficient and effective way to build muscle and improve fitness. With ARX, every second of exercise counts, producing measurable results in a fraction of the time of traditional workouts. Today, I train exclusively on our ARX and Vasper equipment because nothing else delivers such dramatic results in so little time. Just 20 minutes twice a week can outperform hours of conventional exercise.

I was so impressed with my own transformation that I decided to bring this revolutionary, science-backed technology to San Diego. At Leo’s Fitness Lab, we’re redefining what’s possible—helping you achieve the strong, healthy, and confident body you deserve, in just 20 minutes, twice a week.
Andrew S.
Leo and his staff have an incredible state of the art facility. I've been to many gyms and this one is the real deal. The hardest workout I've ever done and it only took 15 minutes. The ARX machines are one of a kind and a great way to track your progress!! Very clean and very safe environment. I can't wait for my next workout! Thanks also!
NICOLE R.
I want to start by saying that I am 52 years old, I have had two disc replacements in my neck. At one point I felt like I couldn't find a workout that worked for me, with my injury, my age and how much time I could spend working out to get the results I was looking for.

I found the perfect solution! Leo's Fitness Lab.
K. B.
The best most efficient full body workout I've ever had. Their techy equipment makes weight training fun. I'm so happy I discovered this gym. As a former competitive athlete I've spent a lot of my life training and I've seen more results in 3 workouts at Leo's Fitness Lab then I have from any other workout. It's a very friendly relaxed environment with an amazing staff of trainers.

Discover the future of exercise at our fitness laboratory in San Diego

Most busy people aren’t consistent with their workouts. We created Leo’s Fitness Method, 20 minutes workouts twice a week so that you burn fat in less time, get stronger, and age well.
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