For those looking for a high-energy workout that will get your sweating this new year, you have to try Juma Fit. Located in Tenafly, Juma Fit is one of the hottest and newest workout studios in the area.

About the Juma Fit Workout

Juma is a treadmill studio for everyone. You don’t have to be a runner to love Juma. It’s a place where you will be supported and encouraged wherever you are on your fitness journey. The name “juma” means “to run” in the language of the Tarahumara Tribe, an indigenous tribe of people in Mexico renowned for their running ability.

The beauty of Juma is that every class is different, but I can say that every class is a high-energy class that will get you sweating. Most of the classes consist of intervals that will go from a comfortable pace to your “crush it” pace. Every pace is different for everyone; so don’t get discouraged if the person on the treadmill next to you is going faster. The people around you are there to encourage you to be the best version of yourself. Don’t think of it as a competition. 

About the Studio

Juma is the only treadmill studio with Woodway treadmills where you can run, jog, train, etc. and feel empowered by the other people in the room. The shape of the room is unique with all of the treadmills facing inward toward the instructors. The treadmills are facing in so the instructors can push and encourage you every step of the way. All of the instructors are positive, motivating and have killer tunes that will make you want to keep pushing forward. The Woodway treadmills are the most accomplished machines on the market. Woodways achieve a more efficient stride and increases efficiency, which means you improve your performance and reduce the risk of injury. 

About Gia Alvarez

Gia Alvarez, owner and founder of Juma Fit, spent the first part of her career launching fashion brands and creating international production plans for Ralph Lauren. As a former ballerina, Gia always liked to keep moving and trained and ran for marathon races until she decided she wanted to fully transition her career into fitness. She ran her first marathon in 2007 and has completed 13 marathons to date. She’s also a two-time Boston Marathon qualifier and would love to compete in an Ironman one day. Living in Manhattan at the time, Gia led successful running clubs as well as trained athletes to help them reach their marathon goals. 

Moving from Manhattan to New Jersey, Gia wanted to continue her fitness career and in the fall of 2018, Juma Fit was born. Gia is passionate about making Juma a studio that allows each person to be the best version of themselves, regardless of their fitness journey. Juma Fit contributes $1 each time someone signs up for a class to the charity Charity Water.

The Classes

The following classes are offered at Juma Fit:

  • Tread 45 – Signature 45-minute, 3-part interval-based treadmill class (walk, jog or run);
  • Tread 30 – Signature 30 minute interval class;
  • Off The Tread- High Intensity Interval Training (HIIT) class is small and precise. Only 3-5 people at a time gives you a semi private, curated training experience. Blast those muscles, increase your strength and work on those muscle movements that help you climb the hills and hit the crush;
  • Chizzled Arms & Abs – This 30-minute strength training and bodyweight training class is designed to sculpt and strengthen your entire upper body/core;
  • Tread Power – Total body, high-energy 45-minute class – Combination of 30 minutes of Juma’s signature interval based treadmill workout with 15 minutes of total body strength; and
  • Tread/Yoga – Treadmill for 30 minutes followed by 30 minutes of strength building, muscle lengthening yoga.

My Experience

The class I recently attended was half cardio, half yoga. For me, I felt that this class was the perfect way to start. Gia, the owner and instructor, was teaching the class. We started out warming up on the treadmill to get the blood flowing. This is at your own pace, whatever speed that it takes for you to get warm. It was 30 degrees out that morning, so I decided to do a light walk/jog with a little incline to slowly warm up my hamstrings. After a 5-minute warm up, it was time to get after it.

Gia encouraged everyone to get to his or her “feel good pace.” This pace is completely different for everyone and can be determined as your talking pace, a pace that is comfortable for you. This is the speed that you’ll go back to after the intervals. Throughout the class, there were a bunch of intervals that went from your “sweet spot” to your “crush it” pace, which is jogging, to running, to sprinting. Again, these speeds are different for everyone. 

After 30 minutes on the treadmill, it was time to switch to yoga. I’m a yoga person, so I was excited for this. Stretching is so important after a workout to release all the tension in your muscles from your workout. A different instructor came into the class to teach yoga. The class consisted of downward dogs, updogs and shavasana – all the good stuff. Juma will definitely be part of my workout routine from now on.

By Michelle DeSantis

Michelle DeSantis is a Bergen County girl who lives, breathes, eats and sleeps Bergen County. Founder of the blog, The Bergen Skinny, Michelle is determined to find the best food, fitness, fashion and entrepreneurs in the area. Check her out at

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