Reach your health + fitness goals.

We are a boutique fitness studio located in Drum Hill in Chelmsford, MA, featuring group fitness, small group training, personal training, and more!

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In-Studio + Virtual Personal Training

Use your Zone Fitness Chelmsford personal trainer as you begin your journey to get faster, stronger, and healthier. Flexibility Training is suitable for everyone at any kind of fitness level.


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avoid the crowds – no judgment, no distractions, no waiting for equipment.

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workout programs as unique as you – built to overcome any obstacle.

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with regular fitness assessments to ensure progress.

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real time adjustments and progressive programming to stay on track.


“Ashling is an awesome personal trainer! She listened to my goals and injury history and has designed perfect workouts for me. I feel better after only 4 sessions and look forward to more.”

“Zone Fitness is a nice gym with a really nice staff. I love the boot camp classes! Our trainer Victor is great! He always challenges us, and at the end of the class we all feel great! I strongly recommend Zone Fitness that is a nice place, where everyone is very professional and pleasant!”

"Zone Fitness is awesome! Great variety of personal training, small group training, open gym time, and a variety of great classes. Perfect small gym experience. Ashling is a great trainer and has built a wonderful community of people who like to work out in this terrific setting. Highly recommended!"


We offer a weekly schedule of classes for every fitness fan. Whether you want to dial up the intensity or take a more relaxed approach, we’ve got a class with a spot just for you. Create your own personalized schedule.

View Class Schedule

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HIIT classes will help you burn more calories, lose weight and build your muscle groups.

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This low-impact class will challenge your cardiovascular strength and burn calories.

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Join us for Pilates and exercise your way to a healthy body and mind.

Try the Peloton Tread and Bike

We are very excited to offer Peloton Tread + Peloton Bike training. You can now book a time to test and work out on a Peloton in studio.

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