Organizers
- R School
- R&D Coaching
- R.A.D. Camps
- R.A.T. Relay Race
- R2L
- Ra Messu-t Academy of Higher Learning
- RA RAA Raising Awareness Racing Against Addiction
- Rabbit Ramble
- Rabbit Run Half Marathon
- Race & Seek, LLC
- Race Against Child Abuse
- Race Against PH
- Race Arizona
- Race Assist LLC
- Race Brook Country Club
- Race By The Bay
- Race Corps
- Race Day Event Services
- Race Day Events (Tennessee)
- Race Day Events, LLC
- Race Day Events, LLC - Owned
- Race Director
- Race For A Reason
- Race for Faith
- Race For Hope
- Race For Hope DSM
- Race for Ian
- Race for Love & Life
- Race for Oceans
- Race for Peter
- Race For Rylie / Pitt Hopkins Foundation
- Race For The Kids
- RACE for the Orphans
- Race Odyssey Events
- Race of Awesome
- Race Operations
- Race Organizer
- Race Pace Multisport, LLC
- Race Preview, LLC
- Race Productions
- Race Revolutions
- Race Revolutions - XTERRA
- Race Roster
- Race SLO
- Race Texas
- Race the Rail
- Race the Reserve Whidbey Island
- Race Time Incorporated
- Race Timing Group
- Race Timing Unlimited