Running Abbreviations and Acronyms
- AURAArkansas Ultua Running Association
- DRCDallas Running Club
- GLIRCGreater Long Island Running Club
- HTGRHit The Ground Running
- HURTHawaiian Ultra Running Team
- HURTHawaii Ultra Running Team
- RBRunning Backs
- RBORunning for A Better Oakland
- ROFLRunning On Four Legs
- ROOTRunning Out of Time
- RRTCRoad Running Technical Council
- RWSRunning Witi Scissors
- TIROTime Is Running Out
- TRATrail Running Association
- WMRCWorld Mountain Running Championships
Last updated: — Total entries: 15