The Best Total Body Training In Boston

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Zone 5 Fitness

Boston's Most Comprehensive Health Club

Welcome to Zone 5 Fitness, your home for cutting-edge workouts and the best fitness resources in town. We are proud to offer men and women of all ages and abilities a truly revolutionary take on group fitness training. Our Zone5 Team Training is unlike anything you've ever seen, with a mix of strength training, cardiovascular exercises and a monitor that tracks your progress the entire time. And if you're looking for a more personal touch, we've got you covered with our Personal Training program and our innovative small group classes.

Our Expert Team

Our expert instructors teach you and/or your child valuable life skills such as confidence, discipline, self-defense, goal setting & leadership to push you to reach your goals!


Our Core Values

We are built on core values like Personal Responsibility and Perseverant Hard Work. Which means we create an environment and mentor our clients to take personal responsibility for their results.


Our Mission

We are committed to providing innovative, relevant, sustainable and accessible Martial Arts and Fitness programs that empower our students for life.


Our Promise

We pledge to provide you with a fitness environment that will be supportive, passionate, safe & full of integrity while promoting excellence and fitness in our community

Group Fitness

Zone 5 Fitness Personal Training Boston

Personal Training

Zone 5 Fitness Personal Training Boston

Open Gym

Zone 5 Fitness Personal Training Boston

Train Harder And Smarter

Meet our Trainers

I love the HIIT (high intensity interval training) classes here. If it was not for these classes I would not go to the gym! I have become so much stronger just from 45 minutes 4 times a week. Mike and the other trainers are awesome as is the rest of the staff. And sometimes the regulars from the ....Read more

Ashley Woodworth

I have been to many HIIT classes from NH to Medford. Zone 5 is my all time favorite! You get an amazing workout with instructors who take the time to make sure form and understanding of how the exercises are performed before and during your workout! Saying your gonna get your sweat on during one ....Read more

Danielle Kelly-Gaieski

Best HIIT class in whole of Boston. Mike is the best you can get. ....Read more

Anubhav Jain

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