Get REAL Results With Personal Training Across The Upstate

No Cardio… Just Results!

Ready To Make A Change And Get REAL Results?

You’re in the right place. Ultra Fit brings 40-plus years of personal training to the Upstate, backed by thousands of transformations. John DeFendis built this program to torch weight and rebuild bodies the right way.

No endless cardio. No empty promises. Just a proven plan and a trainer who makes sure you win. Let’s go!

Grab Your Free Workout

See What’s Possible

Nothing tells the story better than real transformations.

Our members come from all fitness levels and backgrounds, but they all have one thing in common—they committed to the process.

Find Your Program

Pick your goal. We’ll build the plan that gets you there.

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Personal Training

One-on-one coaching built around your body, your schedule, and your goals so every rep moves you forward.

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Weight Loss

Drop the weight for good with a proven plan that reshapes your body and keeps it off.

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Live the Life

Train hard, eat smart, and build the strong, confident body you actually want to live in.

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Fit After 50

Rebuild strength, energy, and mobility with training that respects your body and pushes you to thrive.

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Beautiful Brides

Walk down the aisle looking and feeling your absolute best with a plan timed to your big day.

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Sports Specific Training

Train for speed, power, and durability so you show up stronger than everyone else on game day.

The Best Investment You’ll Ever Make Is You

Hiring an Ultra Fit personal trainer is one of the smartest moves you’ll ever make for your health, your life, and your family’s future. Why Ultra Fit? Because we have the KNOWLEDGE and the EXPERIENCE to guarantee your weight loss and body transformation EVERY TIME. Nobody else can say that. Nobody. We’ve got thousands of before and after testimonials, and no other training organization comes close.

meet mike and mario

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Mike Rush

Mike Rush brings nearly 18 years of personal training experience to his clients. A former college football player, he developed a passion for strength training at an early age and has since dedicated his career to helping people become stronger, healthier, and more confident. With multiple professional certifications and years of leadership experience, Mike combines personalized training, nutrition, and proven methods to help clients achieve lasting results.

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Mario Narvaez

The Director of The Ultra Fit Training Studio in Greer, South Carolina, and his connection to Ultra Fit began long before he became a trainer. He first walked through the doors as a client, searching for a way to transform his body, rebuild his confidence, and become more disciplined in every area of his life. Through the Ultra Fit system, Mario lost 76 pounds in six months. That transformation changed far more than his appearance. It showed him what is possible when the right plan, coaching, and consistent effort come together.

Why Ultra Fit?

Knowledge and experience decide everything. Without them you grind day after day for little progress. Ultra Fit brings both, and the transformations prove it.

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42 Years Of Proven Results

John DeFendis created Ultra Fit in 1982 and has changed thousands of lives across the country since.

Featured On National TV

Our trainers and their results have appeared on nearly every major television show. The proof is real.

Thousands Of Transformations

No other organization has our gallery of real before and after photos. Thousands of them, and counting.

Trained By The Founder's System

You follow the exact program John used to train the Speaker of the House and members of Congress.

No Cardio, Just Results

Skip the endless treadmill grind. Our method reshapes your body faster and keeps the results coming.

A Trainer Near You

With directors and trainers in Greer, Greenville, Spartanburg, Anderson, and Simpsonville, your Ultra Fit coach is ready right now.

As Featured On National TV

Frequently Asked Questions

Do I need gym experience to start personal training at Ultra Fit?

Every Ultra Fit plan is built around your body, your goals, and your schedule, so whatever your starting point, your trainer designs a program that fits you.

What makes Ultra Fit different from other gyms in the Upstate?

Ultra Fit is built on John DeFendis’s 40-plus year training method, a proven, low-cardio approach backed by thousands of real transformations, doctor endorsements, and national TV features. You get one-on-one coaching, not a generic gym membership.

How does Ultra Fit track my progress?

Your trainer holds you accountable every session and adjusts your plan as you progress, so you keep moving forward instead of hitting a plateau.

Which areas does Ultra Fit serve?

Ultra Fit has personal trainers and directors across the Upstate, including Greer, Greenville, Spartanburg, Anderson, and Simpsonville.

Is Ultra Fit only for weight loss, or does it help with other goals too?

Weight loss is one part of it. Ultra Fit also offers programs for Fit After 50, bridal prep, sports-specific training, pageant and competition prep, and pre/post-natal fitness.

What can I expect when I claim my free workout?

It’s your first step to connect with an Ultra Fit trainer, share your goals, and start with a plan built specifically around your body and schedule.

Is Ultra Fit's training approach safe for pre and post-natal clients?

Yes. Ultra Fit offers a Pre & Post Natal Fitness program built around a doctor-smart plan tailored to each stage of pregnancy and recovery.

Is personal training worth the investment?

Yes. A dedicated trainer means no more guessing. You get a plan built for your body, real accountability every session, and a coach who adjusts your program as you progress, so you see faster, lasting results.

Real Client Wins

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Laura Stauffer Parks profile picture
Laura Stauffer Parks
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Oh, Mario! You are absolutely the best trainer. Your sessions are so fun and I love your attitude and approach to training. Thank you for being so encouraging, positive, and kind while helping me become stronger, healthier and more resilient. When I count my blessings lately, you are one of them. Thank you!
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Brandyn New profile picture
Brandyn New
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Will is an absolute amazing trainer at Ultra Fit. He has been highly motivating for that extra effort. Ever since I’ve been there he has more than exceeded my expectations with the training sessions. The body and mental transformations have been real. Will and Mike are very knowledgeable in their nutrition and weight training programs. I can’t say enough on how satisfied I am with the Ultra Fit training program.
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Natalie Oglesbee
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Mike is an amazing trainer and all the trainers are very encouraging and highly motivating. Nothing but positive feedback and results here! Highly recommend.
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Brian Hagerty profile picture
Brian Hagerty
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Mike is an outstanding human being as his value system embodies his very existence. Mike has influenced my sleeping habits,eating habits/dietary needs and workout routine. My body has lost 8 pounds of unnecessary baggage as well as embracing a ratio of body weight and body fat that is noticeable to most people. Please give Mike an opportunity to help you manage your health.
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Stephen Ross profile picture
Stephen Ross
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I signed up a few weeks ago for a 3x/week program. I’ve been working with Will Weaver & Mike. I’ve made a ton of progress in just a few weeks. My son has started asking to come as well. It’s been a long time since I’ve seriously lifted weights. And, I don’t progressively work up in weight when I’m on my own the way I do with Will. Will keeps track of each workout and can tell me how far I’ve come each week in terms of the weight and reps I’m able to do.
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Jamie Hawley
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I can’t say enough good things about UltraFit and the environment they’ve created. From day one, everyone has been welcoming, supportive, and genuinely invested in helping clients succeed. It truly feels like a close-knit community where people care about your goals and your well-being. I especially want to highlight my trainer, Kristi. She has been incredible to work with—not just in pushing me physically, but in understanding my individual needs and helping me work through them safely and effectively. I came in with some real health challenges, including episodes where I was at risk of blacking out, and she took that seriously from the start. She’s helped me build strength, stability, and confidence in a way that feels both challenging and safe. What I appreciate most is how she knows exactly when to push me and when to meet me where I’m at. As I’ve gotten stronger, she’s adjusted my training to match, and the progress I’ve made in a relatively short amount of time has honestly surprised me. She pays attention, she listens, and she genuinely cares about her clients—not just their results, but their overall health. If you’re looking for a place that’s supportive, professional, and truly focused on helping you improve, UltraFit is it. And if you have the chance to work with Kristi, you’ll be in excellent hands.
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Michelle Usher
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The ultra fit team are dedicated and jordan is the best!
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Kapil Chalil Madathil
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I’ve been training with Mike at Ultrafit Studio in Greer since September 2025, and it’s honestly been one of the best decisions I’ve made for my health. Mike Rush is amazing — he really cares, pays attention to what you need, and knows exactly how to push you without overdoing it. Every session feels purposeful, and he keeps things motivating without it ever feeling overwhelming. The studio itself has an amazing vibe—welcoming, focused, and never intimidating. You feel comfortable the moment you walk in. If you’re thinking about getting started or looking for a trainer who truly invests in you, I highly recommend Mike and Ultrafit Studio.
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Sylvia Holliday
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UltraFit Antrez is one of a kind. He is patient and full of answers. He was the best coach. I now feel confident in going to the gym alone and I know what to do with no anxiety. Go see UltraFit Antrez at the Greer location!

Fin up. Be the shark.

Your free workout with an Ultra Fit trainer is one form away. Be the shark!