| Abbreviation | Definition |
|---|---|
| QARA | Quesnel Auto Racers Association |
| QARA | Quesnel Auto Racing Association |
| QARA | Quesnel Auto Racing Association's |
| QBR | Quint Boisvert Racing |
| QCR | Quaker City Raceway |
| QMR | Quebec Martinique Racing |
| QRF | Quad Racing Finland |
| QRIC | Queensland Racing Integrity Commissioner |
| QRR | Quimera Responsible Racing |
| R | Race |
| R | Racer |
| R | Racing |
| RACE | Racing |
| RACE | Racing And Car Enthusiasts |
| RACEMULE | Race Mule |
| RACEMULE | Race – Mule |
| RACR | Rajini Academy of Competitive Racing |
| RAD | Racing and Development |
| RADV | Race Against Domestic Violence |
| RAGBRAI | Registers Annual Great Bicycle Race Across Iowa |