Premier Personal Training Gym in Marshfield, MA

Lose Weight Gain Strength Feel Better

Tailored Programs for Every Fitness Level

Our Fitness Programs

Nagle Fitness Will Help You Reach Your Goals

Personal Training

Reach your goals faster with Personal Training at Nagle Fitness in Marshfield, MA. 

Enjoy customized workouts, expert guidance, and accountability from professional trainers dedicated to your success. 

Whether you’re building strength, improving endurance, or starting fresh, our one-on-one coaching helps you train smarter and achieve lasting results.

semi-private personal training

Experience the perfect balance of personal attention and group motivation with Semi-Private Personal Training at Nagle Fitness in Marshfield, MA. 

Train with 2–4 others under expert guidance, enjoy individualized workouts, and achieve your goals in a supportive, energetic environment—all at an affordable price.

online coaching

Stay consistent wherever you are with Online Coaching from Nagle Fitness in Marshfield, MA. 

Get personalized workouts, expert feedback, and regular check-ins through a convenient virtual platform. 

Achieve your fitness goals on your schedule with the same professional guidance and accountability as in-person training.

Here's our guarantee:

How It Works

Book a free chat with a coach

Reserve a no-cost conversation with our trainers to explore your health objectives.

Build your roadmap

Construct your personalized fitness journey, merging your ambitions with our professional advice.

Feel better than you have in years

Experience a significant boost in your wellbeing as you progress and meet your fitness targets.

It's that easy!

Transform Your Body and Mind at Nagle Fitness in Marshfield, Massachusetts

At Nagle Fitness in Marshfield, MA, we help busy adults take control of their health through personalized, science-based fitness coaching. Whether you’re new to working out or an experienced athlete, our mission is to help you move better, feel stronger, and live healthier—one workout at a time.

Our certified trainers specialize in personal training, semi-private training, online coaching, and nutrition guidance, ensuring every client receives a tailored plan that fits their lifestyle and goals. You won’t find a one-size-fits-all approach here—only expert support, customized programming, and a welcoming community that keeps you motivated and accountable.

At Nagle Fitness, we believe fitness is more than just a workout—it’s a commitment to becoming your best self. Our team provides education, encouragement, and structure to help you stay consistent and build confidence inside and outside the gym.

Whether you’re training in-person or online, you’ll get the tools and coaching you need to make lasting progress.

Join Nagle Fitness in Marshfield and discover what it means to train with purpose. Real people. Real progress. Real results. Your fitness journey starts here.

Real People. Real Results.

Our Clients' Success Stories Speak For Us

I have been working out with Jeff for a few years now and I have seen a lot of the same people over those years because Jeff has built such a great, supportive community. Jeff and John are both knowledge, helpful, and friendly. My workouts are tailored to me and my goals. I look forward to my workouts and catching up with Jeff, John, and other members at the gym. I can’t recommend this gym enough!

— Ashley Taylor

Nagle fitness is very friendly and welcoming. The trainers check in with you and know when to push you to do your best. They are constantly reviewing your plan and adjusting it to fit your needs. It definitely is a place where you can feel part of a community as you’re cheered on to your fitness goals.

— Doreen McPherson

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FILL OUT THE FORM BELOW AND ONE OF OUR COACHES WILL BE IN TOUCH

FILL OUT THE FORM BELOW AND ONE OF OUR COACHES WILL BE IN TOUCH