Pilates Back Bay

PowHer by Stef

PowerLift Studio

Powerhouse Personal Training

Private jewels fitness

Pulse Fit Training

Pups and Yoga

Pure Barre Boston & Harvard Square

Purple Door Yoga

Pursuit By Emily

RECK Fitness

RPM Fitness

Radiant Yoga Boston

RayFit

Rebel Athletic Club

Rebirth Body Transformation Center

Redefine Strength and Fitness

Redemption Strength & Conditioning

Redline Fight Sports

Regan's Motivated Fitness

Release Well-Being Center

Renew Yoga

Repertoire Fitness INC

Republic Fitness