The member experience
Our carefully crafted member experience levels help us achieve our mission of making member stronger in 30 minutes, physically and mentally.
The trainer-led experience
Get guidance and motivation from a Champion Trainer throughout your entire workout. During the TLE, you’ll have dedicated time with a trainer performing traditional kickboxing and boxing combos.
The Personal Training Experience
Get fully customized, one-on-one coaching with one of our 9Round Certified Trainers. With a PT package, each of your workouts will be tailored to your individual fitness level and goals.
The virtual experience
Work out anytime, anywhere with the 9RoundNOW mobile app. Our extensive collection of guided video workouts harnesses the power of kickboxing fitness to help you crush your goals. No equipment required.
About the studio
9Round Fitness - Chelmsford, MA - Summer St
7 Summer St Unit 5
Chelmsford, Massachusetts 01824
9Round Fitness is located at 7 Summer St, Chelmsford Ma. We are in the Summer Street Crossin Plaza located directly across from Choice Fitness and Lincoln Wine and Liquors. In our plaza, we can be found in between Summer St Grocers and Centre Deli.
What you get at 9Round
Semi-private
instruction
Kickboxing
fitness
Circuit Training —
No class times
Workouts change
every day
Heart rate
training
Nutrition
support
Our Trainers
Jim
Baker
JTO
9Round Certified Trainer
Kickboxology Certified
Franchise Owner
9Round Trainer Since 2024
Favorite Part of Training My favorite part of training is watching members meet or exceed their fitness goals. I also enjoy being part of a great team.
Tammy
Nguyen
TAM TAM
9Round Certified Trainer
Certified Personal Trainer (CPT)
Trainer
9Round Trainer Since 2020
Favorite Part of Training Helping our members face challenges and reach their goals. Seeing the smiles after a hard workout and being a positive influence is very rewarding.
Available for
Personal Training
Sessions
Bill
Beauchamp
WILD BILL
Cheralyn
Rosati
LIL NINJA
9Round Certified Trainer
Trainer
9Round Trainer Since 2017
Favorite Part of Training Watching our members achieve their fitness goals through all the sweat, pain, and "I can’t"s. They always come back and continue to get stronger.
Jaime
Hennessy
BUSTAAH
9Round Certified Trainer
Trainer
9Round Trainer Since 2023
Favorite Part of Training Watchin members crush it!
Meg
Dugas
MEGATRON
9Round Certified Trainer
Trainer
9Round Trainer Since 2024
Favorite Part of Training Working with members
Joe
Ogden
JOENADO
9Round Certified Trainer
Black Belt in Martial Arts
Trainer
9Round Trainer Since 2017
Favorite Part of Training Helping members perform their best everytime!
THIS COULD BE YOU
Join a high-energy team of instructors who change people’s lives every day.
9Round CareersWhat members are saying
What members are saying
"Personal attention from awesome trainers."
What members are saying
"Lost 20+ pounds with 9ROUND. Quick, 30 minutes, and you're in-and-out"
What members are saying
"fast workout, reasonable schedule, great trainers"
What members are saying
"Trainers keep me motivated and push me to do better each workout "
What members are saying
"I love how it changes every day and you always have the attention of a trainer! It’s always clean and the time just flies by!"