Not sure where to start?Try these collections:
Renzo Gracie SC Worldwide
Rep Eaters CrossFit
Resilience
Resilience CrossFit Medfield
Resolute Fit
Revive Fitness
Rise
Rise and Reign
Rising Tide Fitness
River City
Rivera III
Riverfront Barbell Club
Rizen Fit
Roadside CrossFit
Rock City Complete Fitness
Rock Solid Performance
Rogue River CrossFit
Rome Strength and Fitness
Romeo Athletics
Root 18 CrossFit
Root18
Round the Clock CrossFit
Round Valley CrossFit
Route 3 CrossFit
RSF5
RubiconFit
Ruby Valley Strength