Tracks are grouped by category in the tables below:
| Category A Tracks | Code |
|---|---|
| Aqueduct | AQU |
| Arlington Park | ARL |
| Belmont Park | BEL |
| Belmont Stakes | BSA |
| Breeders Cup | BRD |
| Churchill Downs | CHU |
| Del Mar | DMR |
| Fairplex Park | FPK |
| Gulfstream | GUL |
| Hollywood Park | HOL |
| Keeneland | KEN |
| Louisiana Downs | LDN |
| Meadowlands Thoroughbred | MED |
| Oaklawn Park | OAK |
| Pimlico | PIM |
| Santa Anita Park | SAX |
| Saratoga | SAR |
Payout Limit $25,000
| Category B Tracks | Code |
|---|---|
| Balmoral Park | BAL |
| Bay Meadows | BAY |
| Bay Meadows Fair | BMF |
| Charles Town | CTN |
| Delaware Park | DEL |
| Ellis Park | ELP |
| Fair Grounds | FGX |
| Golden Gate Fields | GGT |
| Great Lakes Downs | GLD |
| Hawthorne Thoroughbred | HAW |
| Laurel Park | LAU |
| Lone Star Park | LON |
| Monmouth | MTH |
| Mountaineer Park | MNR |
| Penn National | PEN |
| Philadelphia Park | PHA |
| Santa Rosa | STR |
| Suffolk Downs | SUF |
| Sunland Park | SUN |
| Tampa Bay Downs | TAM |
| Turf Paradise | TUP |
| Turfway Park | TUR |
Payout Limit $15,000
| Category C Tracks | Code |
|---|---|
| Alburquerque | ALB |
| Arapahoe Park | ARD |
| Assiniboia Downs | ASD |
| Australia-A | AUA |
| Australia-B | AUB |
| Beulah Park | BEU |
| Cal Expo | CEX |
| Canterbury Park | CBY |
| Colonial Downs | CNL |
| Delaware County Fair | DF1 |
| Delta Downs | DED |
| Dover Downs | DOV |
| Emerald Downs | EMD |
| Evangeline Downs | EVD |
| Fairmount Park | FMT |
| Finger Lakes | FLK |
| Fort Erie | FER |
| Freehold Raceway | FHD |
| Harrington Raceway | HAR |
| Hawthorne Harness | HAH |
| Hazel Park | HAZ |
| Hoosier Park | HOS |
| Indiana Downs | IND |
| Kentucky Downs | KED |
| Los Alamitos | LOS |
| Maywood Park | MAY |
| Meadowlands Harness | MDL |
| Meadows | MEA |
| Monticello Raceway | MNC |
| Northfield Park | NFD |
| Northville | NOR |
| Plainridge | PRD |
| Pleasanton | PLN |
| Pocono Downs | POC |
| Pompano Park | POM |
| Portland Meadows | PTM |
| Prairie Meadows | PRM |
| Presque Isle Downs | PQI |
| Remington Park | REM |
| Rockingham | RKM |
| Ruidoso Downs | RUI |
| Sam Houston Race Park | SAM |
| Saratoga Harness | SGH |
| Solano | SOL |
| Thistledown | THI |
| Yavapai Downs | YAV |
| Yonkers Raceway | YON |
| Zia Park | ZIA |
| Gulfstream Park West |
Payout Limit $8,000
| Category D Tracks | Code |
|---|---|
| Any not listed in A, B, C |