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© 2017 Fit by D, LLC



THE STUDIO is more than an all women group fitness studio.

THE STUDIO is a community of women who lift each other up and support and encourage each other no matter where anyone is on their fitness journey.


THE STUDIO offers a variety of class formats in a friendly, non-intimidating environment. Whether you like low impact, high intensity, cardio, strength training

or specialty classes, THE STUDIO has something for you!  THE STUDIO also offers

Stroller Bootcamp (April-October) & Mommy & Me Bootcamp (November-March)

for newer moms with infants, StronGIRLS for girls ages 8-12 

and Toddler Fit for your littles ages 2-4.  


All of THE STUDIO instructors are certified by nationally accredited organizations and are very knowledgeable. Each instructor demonstrates modifications to accommodate the beginner as well as the more advanced fitness levels.


Please stop by anytime and enjoy a FREE TRIAL WEEK or call THE STUDIO for more information. We look forward to helping you on your fitness journey!




Donna Villavicencio
NASM Certified Personal Trainer
AFAA Certified Group Fitness Instructor
ACE Certified Health Coach
Co-Creator/ Coach-Sole Sisters Running Club
IRONMAN, Marathoner, Spartan
Pump, Spin & Strength, Mixed Format, Mommy & Me, Stroller Bootcamp, StronGIRLS
Liz Mancuso
NASM Certified Personal Trainer
AFAA Certified Group Ex Instructor
 PiYo, Pound, Spartan SGX Coach
Spartan Trifecta, Marathoner, Ultramarathoner
TRX & Cardio, Pound,
PiYo, WAC, Toddler Fit
Julia Eckhardt
NASM Certified Personal Trainer
AFAA Certified Group Fitness Instructor
Half Ironman Triathlete

Angel Miller

AFAA Certified Group Fitness Instructor

Marathoner, Triathlete

Barre, Kickboxing


Tonya Fleszar

BS, Exercise Physiology

ACE Group Fitness Instructor

ISCA Kickboxing Trainer, Piloxing, TRX, PiYo

Half Marathoner, Spartan

Defy Gravity, Move360

Cait Baumgartner

Yoga Instructor

RYT 200


Join us anytime for your 

350 Sparta Ave, Bldg A, Sparta, NJ 07871

(in the Njswim suite)

350 Sparta Avenue, Building A
Sparta NJ 07871