Join a Class at the Y

At the Waterbury YMCA, we invite people from all walks of life, regardless of shape or size, to participate in our Group Fitness program. You don't have to be perfect, or be able to keep up with choreography; you can even have two left feet! If you are 18 or 80, overweight or thin, short or tall, or anywhere in between, the Y offers a program that caters to all people no matter what fitness level.


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STT will blast all your muscles with a high-rep weight training workout. Using an adjustable barbell, weight plates, and body weight, STT combines squats, lunges, presses, and curls with functional integrated exercises.  


A fusion of Latin & International music & dance themes. The routines are simple and feature interval training with a combo of slow and fast rhythms. Come join us in this "feel-happy" workout! No experience necessary.

MX4 Class

A small group training HIIT class that uses the TRX, Dynamex balls, bands, dumbbells, kettlebells, rowers, and more! This class format has you working hard for 1 minute on, with 30 seconds of rest in between each exercise. The class is offered in our MX4 room.


A high-intensity cardio class PLUS weight training using any of the following formats: step, hi-impact, boxing, drills, plyometrics, and/or BOSU. Int-Adv.


Mat-based workout designed to strengthen and tone "core" muscles, improve posture, flexibility and balance while focusing on muscle control through the use of your “powerhouse”(abs, low back, hips, & buttocks.) Pilates Body 1: Beginner - Intermediate | Pilates Body 2: Intermediate- Experienced


This challenging class will take you through a flowing, focused, progressive series designed to tone and reshape muscles, increase strength & endurance, and develop better flexibility, balance, and coordination. Think stretching is just for a cooldown? Don't save the best for last, experience the difference when you lengthen while you strengthen!


This class is a combination of strength training, bodyweight training, cardio, and core work. It follows a different format every week, such as EMOM, Crazy 8’s, the 50 – 30 workout, and basic interval training. Equipment used includes dumbbells, a step, stability balls and bosu balls.

Active Older Adult Classes / Silver Sneakers

For those adults 55 years and older who are looking to increase their physical fitness. See active older adult schedule [link] for more details.


Non-impact workout combining outdoor cycling techniques to great music. Classes are performed on stationary bikes. The instructor takes you through a variety of intervals adjusting pace, resistance, & pedaling style. Beg-Adv.


Relax with breath as we go through flowing vinyasas, yoga postures & techniques. Benefits include muscular balance, coordination, strength, flexibility, & relaxation. Beg-adv. 


A calming one-hour flowing form of tai chi and meditation that involves a sequence of movements. NO MAT WORK.   


A diverse 1-hour workout that improves cardiovascular fitness, builds total-body strength and enhances movement health for daily life. It uses dumbbells, body weight, and the step.