Not sure where to start?Try these collections:
Re/Max Revolution
Reach Athletics Local
Reach Athletics Worldwide
Reason Fitness
Reclaim
Red Door Fitness
Red Eye Barbell Club
Red Eye CrossFit
RedDoor Fitness
Redline Athletics
Relentless Athletics
Relentless Performance
Renzo Gracie Richmond County Jiu-Jitsu
Renzo Gracie SC Local
Renzo Gracie SC Worldwide
Resilience
Resilience CrossFit Medfield
Resolute Fit
Revive Fitness
Rise
Rise and Reign
Rising Tide Fitness
River City
Rivera III
Riverfront Barbell Club
Rizen Fit3
Rock City Complete Fitness
Rock Solid Performance