Organizers
- RCF Virtual Race Series
- RCL/5K
- RCPS BackPack Committee
- RCS Middle School
- RCVCA
- REACH Academy
- Reach Activities
- REACH S.M.L.C. LLC
- REACH Studio Art Center
- REACH Swim LLC
- Reach the Peak
- Read and Run Races
- Reading Babe Ruth League
- Reading Recreation Commission
- Reading Youth Softball
- Readington Recreation
- Ready Set Run 5k
- Ready, Set, Fit Summer Activity Camps
- Ready, Set, Go racing
- ReadySetSweat, LLC
- Real America Soccer University
- Real America Sports University
- Real Men Run, Corp.
- Real Rehab Sports + Physical Therapy
- Realestate Agents In Need
- REALgirl Empowerment Programs, Inc
- Really Living Seventh-day Adventist Church
- REALTOR Association of Southern KY
- Reaper Events
- Reason to Run 5K
- Reasons for Hope
- Rebecca Adams Green Foundation
- Rebel 76 Soccer
- Rebel 76 Sports
- Rebel Run
- REbeL, Inc.
- Rebelocity LLC
- Reboot Mountain Inc.
- RE-CHRIST MINISTRIES, INC.
- Reciprocity Events
- Reckewey Tennis
- Recreation & All Sports Camps
- Recreation Authority of Roseville & Eastpointe
- Recreation Center of Highland Park
- Recreational Authority of Roseville & Eastpointe
- Recycle Yourself 5K
- Red Berenson Hockey Camp
- red brick road events
- Red Bull North America, Inc
- Red Carpet Improv
