Home - GTA Fitness

Lose the weight and gain strength with structured group training that builds healthy habits and keeps you accountable in Durham, NC.

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WHAT WE DO

At GTA Fitness, group training is what we do best.

Group training at GTA is all about showing up, feeling supported, and getting real (and sustainable!) results. We'll take care of the programming so all you have to do is show up, give it your best and watch your results stack up week after week.

Train Smarter. Recover Stronger. Repeat.

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WHY GTA WORKS

The 4-Core Method

Most group training programs are built around one thing: cardio or weights, but rarely both. GTA's 4-Core Method is different. Our 4-week rotating system builds strength, develops your cardio, and programs recovery so nothing gets left behind and you never burn out.

Built-in balance — You cycle through strength, cardio, endurance, and functional, so you’re always progressing without overtraining.

No burnout — Recovery isn’t a pause, it’s part of the plan. You’ll build muscle, stay locked in, and come back stronger every week.

Progress with purpose — The rotation is intentional. Each week builds on the last to improve strength, stamina, and consistency over time.

You’ll actually stick with it —It’s easier to keep showing up when some days push your harder and others give your body a break.

WHAT TIME WORKS FOR YOU?

Group Class Schedule

GTA Fitness — Class Schedule

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Mon

Leg Day

Tue

Back Day

Wed

Chest Day

Thu

Leg Day

Fri

Full Body

Sat

Full Body

Most availability for new members

Available — click any time to book

Join our run club WeRun Durham ➜

Download our app for class times and easy bookings!

AVAILABLE ON THE APP STORE ➜

Meet Your Coach

JONATHAN GRAMBY

Jon is more than just a trainer – he’s a guide for those ready to take control of their health, elevate their mindset, and build lasting strength. Based in Durham, NC, Jon’s journey from Elizabeth City to fitness coaching is fueled by one thing: his passion for helping people unlock their potential. With an M.A. in Wellness Promotion and certifications as an ACE Certified Personal Trainer and Fitness Nutrition Specialist, Jon combines expert knowledge with a down-to-earth, no-nonsense approach that gets results.

Whether you're focused on weight loss, building strength, or transforming your life, Jon doesn’t just help you achieve physical goals. He empowers you with the tools, mindset, and confidence to make sustainable changes. His mission? To give you the independence to live a healthier, stronger life—without relying on temporary fixes or cookie-cutter plans.

Jon’s clients love his ability to connect, motivate, and push them past their limits. Every session brings energy, laughter, and progress. He knows that every person’s path is unique, and he’s here to walk with you, one step closer to your goals—while making the process fun, challenging, and transformative.

Stop waiting. Start here.

Try 3 sessions.
On us.

You've may have tried other gyms. Maybe it worked for a while. But without structure and accountability, consistency is hard to come by. GTA was built for exactly that. Three sessions, no commitment. Come experience the difference.

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