9Round Fitness - Brookline, MA - Harvard St
(617) 939-9998
A stronger you starts here
Kickboxing circuit training
We can’t wait to kick it with you! Please enter your contact information to request a free introductory kickboxing session.
Individuals under 18 must be accompanied by parent or legal guardian. First-time visitors and local residents only. Terms and conditions may vary and certain restrictions apply. No cash value; value may vary by market. This offer cannot be combined with any other offers or discounts. Valid at participating locations only. Each franchise location is independently owned and operated.
New member offers
Complimentary Introductory Session
Experience an introductory session with one of our Kickboxing Instructors with no obligations. We'll start with learning a little bit about you and then we'll guide you through the entire workout.
Two-Week Trial + Gloves & Wraps - $79
Drive your fitness forward with our extended 2-week introductory package. This offer includes unlimited workouts for two weeks, plus your own pair of 9Round boxing gloves and hand wraps.
About the studio
9Round Fitness - Brookline, MA - Harvard St
471 Harvard St
Brookline, Massachusetts 02446
What you get at 9Round
Semi-private
instruction
Kickboxing
fitness
Circuit Training —
No class times
Workouts change
every day
Heart rate
training
Nutrition
support
The member experience
At 9Round, our mission is making members stronger in 30 minutes, physically and mentally. To help us do so, we offer carefully-crafted levels of our member experience.
The trainer-led experience
A tried-and-true 9Round member favorite. During our Trainer-Led circuit hours, you’ll be guided and motivated by Champion Trainers as you move through the day’s workout. With the TLE, you’ll have dedicated time with a trainer performing traditional kickboxing and boxing combinations with various striking targets throughout your session.
The Personal Training Experience
Book a time with one of our 9Round Certified Trainers to get one-on-one coaching through each and every exercise. Your entire workout will be fully customized to your fitness level and goals, and you’ll leave sweating and smiling. Personal Training sessions and packages can be purchased in-person at the studio.
The virtual experience
Work out anywhere, anytime with our on-demand fitness app, 9RoundNOW. Our extensive collection of online workouts harnesses the power of kickboxing fitness to help you crush your goals at home, or anywhere your device takes you. No equipment is required, and each workout includes a dedicated trainer on-screen to help guide you through every exercise.
Our Trainers
Lawrence
BULLDOG
9Round Certified Trainer
Kickboxology Certified
General Manager
9Round Trainer Since 2018
Favorite Part of Training Being a 9Round kickboxing fitness trainer allows me to inspire and uplift others while pursuing my passion for health and fitness.
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Isa
WILD CHILD
9Round Certified Trainer
Studio Manager
9Round Trainer Since 2023
Favorite Part of Training As a fitness trainer, I love empowering clients to reach their goals and prioritize their well-being.
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Sean
SHOWTIME
9Round Certified Trainer
Kickboxology Certified
BS – Exercise Science
Black Belt in Martial Arts
Lead Trainer
9Round Trainer Since 2023
Favorite Part of Training Being part of the 9 Round team allows me to do what I love every day and share my passion for kickboxing with others.
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Kyle
TRASHMAN
9Round Certified Trainer
Trainer
9Round Trainer Since 2023
Favorite Part of Training I love building relationships with our members and working alongside them as they consistently smash their fitness goals.
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Jackie
JAX
9Round Certified Trainer
Kickboxology Certified
Lead Trainer
Favorite Part of Training I love the opportunity to be the best 30 minutes of a member's day and support them on their fitness journey!
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Devon
THE MOTIVATOR
9Round Certified Trainer
Kickboxology Certified
Trainer
9Round Trainer Since 2023
Favorite Part of Training My favorite part of being a 9Rounds Trainer is motivating and bringing the best out of every member so that they can crush their fitness goals.
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Katie
STRIKER
9Round Certified Trainer
Certified Personal Trainer (CPT)
Trainer
9Round Trainer Since 2023
Favorite Part of Training My favorite part of being a trainer is sharing my passion for fitness with others while helping them grow and progress.
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Eric
PITBULL
9Round Certified Trainer
Trainer
9Round Trainer Since 2024
Favorite Part of Training The energy I get from the people I train motivates me to be the best version of myself.
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