We started as 4 personal trainers who wanted to do things differently.

⁣We used to work in big corporate gyms.

We saw how the fitness world seems more focused on fear and profit than well-being.

You’ve seen it — the endless ads preying on your insecurities. Suggesting your body is “out of shape” or on the brink of collapse.

We were disillusioned with how the fitness industry treated us and our clients. ⁣

We knew we could do better.

A “Cheat Code” to Life

Dirty Water Fitness is our answer to the fitness industry's noise. Here, we don't buy into the idea that fitness is a constant battle against your body. Instead, our members appreciate the life-changing benefits of being strong without the fear of falling apart.

We think of strength as a “cheat code” to life.

It doesn’t define you — it just makes your favorite activities easier.

Our gym is built on respect, encouragement, and evidence-based training practices. Whether it's your first step into fitness or you're a seasoned athlete, there’s a place for you here.

Join us today to start the journey to your strongest self.

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Our Gym Location

Dirty Water Fitness is a 3,000 square foot gym conveniently located at the corner of Third Street and Cambridge Street near the Lechmere T station in Cambridge.

We offer:

Custom, evidence-based 1-on-1 personal training and small group personal training
Nutrition counseling
Space rentals for fitness trainers

In our gym space, you’ll find top-of-the-line strength training & conditioning equipment, gender-neutral bathrooms, hydration stations, and workout gear for sale.

Cutting Edge Technology for Objective Feedback

Dirty Water Fitness is the only gym in Massachusetts to incorporate the Perch velocity-based training system — the same technology and used by 1/3 of NFL teams, the Brooklyn Nets, Detroit Pistons, Miami Heat, and Orlando Magic.

This cutting-edge AI technology, developed down the street from us at MIT, offers our members real-time feedback on their lifting speed. By integrating Perch into our personal training programs, every member can optimize their workouts for maximum efficiency and safety.

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Meet Our Personal Trainers in Cambridge, MA

JOE ADELMAN

CSCS, CPT, USAW1
Joe is a graduate from UMass Boston with a degree in Exercise and Health Science. He is a Certified Strength and Conditioning Specialist (CSCS), Level 1 Precision Nutrition coach and Level 1 US Olympic Weightlifting coach. Joe takes an evidence based approach to his training, mixing practical experience with current research to best serve his clients and really loves what he does. Aside from working out, Joe has played drums since he was a boy and has dabbled in various disciplines of martial arts!
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SARA ENNIS

ATC, CPT, USAW1
Sara holds a BS in Athletic Training from Lasell University, with a background in Athletic Training, she can apply concepts of injury prevention and rehabilitation to her practice, as well as guide you towards your strength training and conditioning goals. Sara is also a certified USAW level 1 olympic weightlifting coach, and hold various other certifications including Exercise is Medicine, ACE certified personal trainer, TRX, and is First Aid & CPR/AED certified.
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JOSH FOX

ACSM CPT, EIM, PN1, USAW1
Josh holds a BS in Exercise Science from Bridgewater State University. He minored in Nutrition and Biology as well as completing the pre-physical therapy track. He has earned a CPT through the American College of Sports Medicine (ACSM) and National Academy of Sports Medicine (NASM). He isFirst Aid & CPR/AED certified. He holds a number of other certifications, including Precision Nutrition, Exercise is Medicine, TRX, USA Weightlifting Sport Performance Coach, and pre/post natal.
Josh has been an avid martial arts practitioner for 12+ years and holds multiple black belts in various systems. Over his decade-long career, he’s held a multitude of positions in fitness facilities and physical therapy clinics. Combined with his formal education, these have given him invaluable experience working with a wide range of people.
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TANNER LAROSE

CPT, FNS, RTS, ETS
Tanner’s love for sports and fitness started at a very young age. Having come from a family of professional athletes, he was always fitness-oriented. He grew up playing sports and started going with his father to the gym at 12, hoping to enhance his performance. After the first visit, he knew he wanted to make a living in fitness.
During high school, he discovered a true passion: powerlifting. From age 15 to 22, Tanner and his father competed in powerlifting meets. He was exposed to training techniques from top tier athletes from around the World — including a two-time world bench press champion.
Tanner is a two-time state bench press champion and a national qualifier. He is also a competitive armwrestler. He has been competing for 4 years and belongs to the ‘Arsenal of Arms’ Armwrestling Club out of Boston.
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