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We offer a large variety of adult group fitness classes to help you along your fitness journey. From beginner to advanced, we offer something for everyone.

Adult Group Fitness classes are included with full membership. Members must be 12 or older to participate in Adult Group Fitness classes. Indoor Cycling classes  require Reserved passes (available 15 minutes before each class, no advanced registration required.) For questions about group fitness classes, call Teri Saccal, Director of Healthy Living, 908-483-4933.

We are a Mossa Elite Group Fitness Provider, the only one in the Hunterdon County area.

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Join HCY Adult Group Fitness Text Alerts: Text @adultgroup to the number 81010.

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Active Together

Active together gives you all the training you need – cardio, strength, balance and flexibility – in just one hour. Get stronger and healthier with inspiring music, adjustable dumbbells, weight plates, body weight and simple athletic movements.

Balance & Flex Together

This program will grow you longer and stronger with an invigorating 60-minute mind-body workout. It incorporates yoga and Pilates fundamentals with athletic training for balance, mobility, flexibility and the core. Emotive music drives the experience as you breathe and sweat through this full-body fitness journey.

Body Shock

A total body workout with step, body sculpting, and power bursts.

Boot Camp

This military style total body conditioning workout incorporates drills, cardiovascular as well as strength training. Intermediate to Advanced.

Cardio Step Together

Is 60 minutes of cardio training that uses The STEP® in highly effective, athletic ways. It will get your heart pounding and sweat pouring as you improve your agility, coordination and strength with exciting music and group energy.

Chair Yoga

Using a chair, explore the mind-body connection by learning how to focus, relax and improve circulation.  Designed for those who are new to Yoga or for those that want less intensity.   

Core Focus Together

Trains you like an athlete in 30 action-packed minutes. A strong core, from your shoulders to your hips, will improve your athletic performance, help prevent back pain and help strengthen your abs. Expert coaching and motivating music will guide you through functional and integrated exercises using your body weight, weight plates, a towel and a platform – all to challenge you like never before.

Core Kraze

Intervals of functional, sports-driven, core moves that work surrounding muscles. Sure to give you the core craze you are looking for.

Defend Together

This program is a gripping hour that burns a ton of calories and builds total body strength. Tap into the newest mixed martial arts movements done at a rapid-fire pace to smash your cardio fitness.  This workout combines cutting-edge moves with thrilling music.

Gentle Yoga

Explore the mind-body connection by learning how to focus, relax and improve circulation.  Designed for those who are new to Yoga or for those that want less intensity.

Groove Together

will make you sweat with a smile during this energizing hour of dance fitness. It’s a sizzling cardio experience that is a fusion of club, urban and Latin dance styles set to current hits and energetic songs.

Indoor Cycling

Instructors lead this multi-level group ride on a calorie-burning journey. Reserved passes available at the Welcome Center 15 minutes before start of class. All Levels. Learn More


Sweat your stress away with kicks and punches using kickboxing bags. Boxing Kickboxing Gloves required for class. Intermediate to Advanced.

Low Impact

Get a great cardiovascular workout with floor aerobics consisting of low impact moves that is great for your heart but easy on your joints.  All Levels.


 Find calmness, serenity and peace of mind.  15 minute meditation session explores different types of meditation.  Modifications will be offered for all to feel welcome.


Concentrate on alignment and lengthening all of the muscles, while improving flexibility, coordination and strength. All Levels.

Pilates Fusion

A combination of Pilates moves and stretching.

Rock Your Core

Intense 30 minute core-oriented workout using moves from a variety of disciplines including Pilates, Yoga and mixed martial arts all set to pop/rock beat.  Come on in and rock your core!

Senior Shape-Up

A non-impact aerobics class designed specifically for the active older adult. Beginner.

Strength Train Together

This program will blast all your muscles with a high-rep weight training workout. Using an adjustable barbell, weight plates and body weight, this workout combines squats, lunges, presses and curls, with functional integrated exercises. Dynamic music and a motivating group atmosphere will get your heart rate up, make you sweat and push you to a personal best.

Step & Sculpt

Total body workout using the step for cardio intervals and weights and body weight for strength moves.  Core work finishes the workout, followed by a great stretch.


A challenging, high- intensity interval workout. Each Tabata round is a maximum intensity interval for 20 seconds, with 10 seconds of recovery.  Intermediate to Advanced.

ViPR – Conditioning Together

This program integrates strength and cardio training to build muscle, burn calories and improve agility. Revolutionize your whole body using Loaded Movement Training with the ViPR in this three-dimensional experience. Dynamic music drives the energetic 30-minute workout with athletic movements and phases of high-intensity intervals. Launching October 15, 2016.


Explore the mind-body connection by learning to focus, relax and improve circulation.  All Levels.


Fuses Latin rhythms and easy to follow moves to create a dynamic workout.  All Levels.

Zumba Gold

Low impact Zumba class that fuses Latin rhythms and easy to follow moves to create a dynamic, energetic dance workout that will feel like a party not workout.

Water Exercise

In addition to land-based Group Fitness, we offer a wide-variety of Water Exercise classes.

Learn More


26sep6:30 pm8:30 pmFamily Movie Night


12oct9:00 am5:00 pmHunterdon County YMCA $250,000 Golf Classic

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