About | Cordaro Fit Specialized Training


Sheila Cordaro is a fitness enthusiast and entrepreneur who is the dynamic driving force behind COR FIT. She has been voted “Best Personal Trainer” by readers of Arlington Magazine in Arlington, VA, three times as well as by Arlies. Readers of the Sun Gazette have named her “Best Personal Trainer” and COR FIT as “Best Fitness Center.” She was also Voted “Top Personal Trainer” by readers of Arlington Magazine in 2021.

Sheila founded Cordaro Fit®, otherwise known as COR FIT (formerly FIT 4 MOMS, LLC), in 2006 to make standard boot camps fun. COR FIT boot camp also trains young athletes. In addition to adult workouts, FIT 4 KIDZ was designed in 2009 to keep children active, fit, and happy. Thanks to its success, Sheila created a Boot Camp for Kidz and Small Group Agility & Speed training for teens. Cardio, strength, and resistance training, sports conditioning, core conditioning and stretching, are all attained through games and play. Studies show that exercise encourages the brain’s building blocks of learning.

“The more neuroscientists discover about this process, the clearer it becomes that exercise provides an unparalleled stimulus, creating an environment in which the brain is ready, willing, and able to learn.”

Find out more about COR FIT and our amazing people.

Why Choose COR FIT


HIIT and Low-Impact Total-Body Workouts (resistance training, strength training, COR conditioning, cardio & yoga)


Competent & Fun Certified Fitness Instructors


Experience Stress Relief and Endorphin Release


Personal Training


All Levels of Fitness Welcome


Choose from a Variety of Classes



“If your mind tells your body to stop, it will. Train your mind and enslave your body to it.”
-Sheila Cordaro is a fitness enthusiast.

Sheila founded her first fitness company in 2006, building on an incredible background of marathons, triathlons, obstacle course races, EX2 Adventure races, and Ragnar Relays. Training for these challenges made her realize her passion went deeper than keeping herself fit. She created a fitness program dedicated to people who are serious about a healthy lifestyle.

Sheila is an ACE (American Council on Exercise) certified Personal Trainer, Group Fitness Trainer, and Senior Fitness Specialist, which she just attained in 2021. She focuses on young people with her AFPA certification (American Fitness Professionals & Associates) Children’s Fitness Specialist certification. She also earned her Certification in Basic Counseling of Health and Nutrition to help her clients find insight to achieve fitness goals.   Read More →

As an ambassador for Carbon38, lululemon, and Athleta, she has led classes in both the Georgetown, DC, and Clarendon, VA, stores. Sheila was featured on the cover of Arlington Magazine (August 2012) and in the article “HARDCORE.” Five times voted Best “Personal Trainer” by the readers of Arlington Magazine and readers of the Sun Gazette; there’s no telling what her next feat will be!

FIT 4 KIDZ, LLC, which Sheila founded and developed in 2010, is an after-school enrichment program providing children with the fundamentals of fitness to cultivate a lifelong appreciation of physical activity. These programs include BOYS GOTTA RUN! ®, All Sportz, and F4K Track.

Sheila is a native of upstate New York and a SUNY Oswego graduate. At Oswego, she was captain of the Oswego Lakers cheerleading team, fitness and activities coordinator for a senior center, and a group fitness instructor at the campus gym.

Her background is in consulting and recruiting, where she worked for Kelly Services, Positions Inc., and Shay Consulting Group. Her entrepreneurial spirit and passion for physical fitness led her to start her own fitness company. No two sessions are the same, and her clients receive focused training. Utilizing the environment, music, and the help of portable fitness equipment, Sheila makes workouts fun and stimulating. She delivers ultimate support to clients through distinctive techniques and outstanding customer service. Sheila is dedicated to helping her clients reach their fitness goals, and they are equally devoted to COR FIT.

Sheila’s education continues today through numerous workshops and conferences.

When training, Sheila enjoys spending time with her husband, daughter (17) and son (15), dog (STEEL). She also embraces marathons, triathlons, Ragnar Relays (Ultra!), obstacle course runs, water-skiing, trail races, wakeboarding, snow-skiing, and enjoying a run with her early morning run club.

Race Resume:


6 marathons


BOSTON Marathon April 2012 (3:42)


6 RAGNAR RELAYS (one ULTRA - 6 women split 200 miles, earning 1st place in category)


1/2 IRONMAN – Musselman


11 Sprint Triathlons


6 – 1/2 marathons




15 Backyard Burn EX2 Adventure Trail Races


Leadville 10K


Kathryn Nemeth graduated from James Madison University, where she played on the women’s club soccer team for four years. She works for Children’s Hospital of The King’s Daughters as a stewardship and donor relations coordinator. Kathryn has led group exercise classes for several years during college and with COR FIT. She enjoys leading classes such as HIIT, TRX, SUP fitness and stretch sessions. Kathryn also has experience leading children’s fitness classes where she keeps them engaged and energized using various activities. She’s excited to be back leading classes for COR FIT in the virtual platform!


Sarah Chase is an Arlington mom with a passion for fitness. She enjoys spreading that love by leading boot camps and working with personal training clients.

Sarah has a BS in Exercise Physiology and Sports Science and was a corporate fitness trainer at USA TODAY and then at the Bureau of Labor Statistics’ facilities. She taught step, spinning, and boot camp classes. She also led running and Women in Weights groups and personally trained clients.

Sarah was recently inducted into Albert Einstein High School’s Athletic Hall of Fame for Athletic Achievement. Her three children are developing the same love of sports and fitness thanks to Sarah’s encouragement. She has coached her son in soccer and has been a distance runner and triathlete with her oldest daughter. Her 2 year old has helped to inspire her quest to motivate other new moms to reach their fitness potentials.   Read More →

Sarah joined the COR FIT family in June of 2015. She’s led morning boot camps from Monday to Thursday. She currently leads the COR FIT LIVE @ 5pm Virtual FB boot camp class on Mondays, Wednesdays & Fridays. Sarah is also a COR FIT personal trainer. She is thrilled to be part of the COR FIT family!

Sign up for our classes today and start moving toward the fitness level you want and deserve.