Monument Fitness offers the best group fitness classes in Charlestown, combining expert coaching, community support, and proven programming to help you reach your fitness goals. Whether you're new to fitness or a seasoned athlete, our classes are designed to challenge and inspire you at every level.

MonumentFIT is our signature functional fitness class that has earned Monument Fitness recognition as one of Boston's premier fitness destinations. This high-intensity interval training (HIIT) class combines cardiovascular endurance with running, rowing, and biking, functional bodyweight movements, and weightlifting to deliver a complete workout experience. Our award-winning coaches bring decades of combined experience working with individuals across all fitness levels, ages, and injury needs, ensuring you get expert guidance whether you're just starting out or pushing for your next PR.
What makes MonumentFIT truly special is that it's infinitely scalable. We meet you wherever your fitness level is today and adapt every workout to your current abilities while still challenging you appropriately. Whether you're returning from an injury, managing a chronic condition, new to exercise, or a seasoned athlete, our programming and coaching expertise ensure you get the right workout for you in a supportive community environment.

StrongHER follows the same proven MonumentFit model—combining cardiovascular training, functional movements, and strength work, while specifically addressing the unique needs of women. Led by expert coach Stacey Kroon, this women's only program creates an accessible, supportive environment where you can focus on getting stronger without intimidation or judgment. Whether you're managing hormonal changes, navigating pregnancy or postpartum recovery, dealing with pelvic floor considerations, or simply prefer training in a women-only space, StrongHER provides the modifications and support you need to thrive.
Like MonumentFIT, StrongHER is infinitely scalable and welcomes women of all ages and fitness levels. You'll get the same challenging, effective programming in a setting designed for women who want to train alongside other women who understand and support your unique fitness journey.