Balans

Ballroom in Boston

Bancroft Boxing

Baptiste Power Yoga Boston

Barre & Soul

Barre Groove

Barre3 Needham

Beacon Hill Yoga

Beacon Hill Yoga/REPS

Beantown Bootcamp

Beau Monde Ballroom

Belinda Gower Studio

Bernardo Faria Academy

Beyond Fitness Pilates Studio

Bigger Muscles, Better Intentions

Black Crow Yoga

Blissful Monkey Yoga Studio

Blue Lotus Healing Arts

Body & Brain

Body & Brain

Body Works

BodyWaves

Bodyscapes Fitness

Boston Athletic Training