Nomenclatura de los Hipódromos y centros de entrenamiento
| Hipódromos | Código del Hipódromo |
| Aiken | AIK |
| Ajax Downs | AJX |
| Albuquerque | ALB |
| Aqueduct | AQU |
| Arapahoe | ARP |
| Arizona Downs | AZD |
| Arlington | AP |
| Assiniboia | ASD |
| Atlanta | ATH |
| Belmont Park | BEL |
| Belterra Park | BTP |
| Black Foot | BKF |
| Brown County | BCF |
| Camarero | CMR |
| Camden | CAM |
| Canterbury Park | CBY |
| Cassia Fair | CAS |
| Century Downs | CTD |
| Century Mile | CTM |
| Charles Town | CT |
| Charleston | CHA |
| Charlotte | CHL |
| Chippewa Downs | CPW |
| Churchill Downs | CD |
| Cochise Fair | DG |
| Colonial Downs | CNL |
| Columbus | CLS |
| Crooked River | PRV |
| Del Mar | DMR |
| Delaware Park | DEL |
| Delta Downs | DED |
| Elko Fair | ELK |
| Ellis Park | ELP |
| Emerald Downs | EMD |
| Energy Downs | ED |
| Evangeline | EVD |
| Fair Grounds | FG |
| Fair Hill | FAI |
| Fair Meadows | FMT |
| Fairmount Park | FP |
| Far Hills | FH |
| Ferndale | FER |
| Finger Lakes | FL |
| Fonner Park | FON |
| Fort Erie | FE |
| Fort Pierre | FTP |
| Foxfield | FX |
| Fresno | FNO |
| Genesee Valley | GV |
| Gillespie Fairground | GIL |
| Glenwood Park At Middleburg | MID |
| Glyndon | GLN |
| Golden Gate | GG |
| Grand National | GN |
| Grande Prairie | GPR |
| Grants Pass | GRP |
| Great Falls | GF |
| Gulfstream Park | GP |
| Gulfstream Park West | GPW |
| Harney County Fair | BRN |
| Hastings | HST |
| Hawthorne | HAW |
| Horsemen's Park | HPO |
| Indiana Grand Race Course | IND |
| Jerome Fair | JRM |
| Keeneland | KEE |
| Kentucky Downs | KD |
| Laurel Brown | LBT |
| Laurel Park | LRL |
| Lethbridge | LBG |
| Lexington | LEX |
| Lone Star | LS |
| Los Alamitos Quarter Horse | LA |
| Los Alamitos Thoroughbred | LRC |
| Louisiana Downs | LAD |
| Mahoning Valley Race Course | MVR |
| Malvern | MAL |
| Marquis Downs | MD |
| Meadowlands | MED |
| Miles City | MC |
| Millarville | MIL |
| Minidoka Fair | RUP |
| Monkton | MON |
| Monmouth Park | MTH |
| Montpelier | MTP |
| Mountaineer | MNR |
| North Dakota | FAR |
| Oak Tree At Pleasanton | OTP |
| Oaklawn Park | OP |
| Ocala Training Ctr | OTC |
| Oneida Fair | ONE |
| Oregon Livestock | UN |
| Parx Racing | PRX |
| Penn National | PEN |
| Pennsylvania Hunt Cup | UNI |
| Percy Warner | PW |
| Pimlico | PIM |
| Pine Mtn | PMT |
| Pocatello Downs | POD |
| Portland Meadows | PM |
| Prairie Meadows | PRM |
| Presque Isle Downs | PID |
| Remington Park | RP |
| Retama Park | RET |
| Rillito | RIL |
| Ruidoso Downs | RUI |
| Sacramento | SAC |
| Sam Houston | HOU |
| Sandy Downs | SDY |
| Santa Anita | SA |
| Santa Cruz | SON |
| Santa Rosa | SR |
| Saratoga | SAR |
| Shawan Downs | SHW |
| Sun Downs | SUD |
| Sunland Park | SUN |
| Sunray Park | SRP |
| Sweetwater Downs | SWF |
| Tampa Bay | TAM |
| Thistledown | TDN |
| Tillamook Fair | TIL |
| Timonium | TIM |
| Tryon | TRY |
| Turf Paradise | TUP |
| Turfway Park | TP |
| Weber Downs | WBR |
| White Pine Racing | ELY |
| Will Rogers | WRD |
| Willowdale Stp | WIL |
| Winterthur | WNT |
| Woodbine | WO |
| Wyoming Downs | WYO |
| Zia Park | ZIA |
