| Track | 7 F | 7 1/2 F | 1 m | 1 m 70yds | 1 1/16 m | 1 1/8 m |
| Aqueduct | 1 | 1 | 1 | - |
- |
2 |
| Atlantic City | 1 | - | 2 | - | 2 | 2 |
| Belmont Park | 1 | 1 | 1 | - | 1 | 1 |
| Belterra Park | - | - | 2 | 2 | 2 | 2 |
| Canterbury | - | - | 2 | 2 | 2 | 2 |
| Charles Town | 2 | - | - | - | 3 | 3 |
| Churchill Downs | 1 | 1 | 1 | - | 2 | 2 |
| Del Mar | 1 | - | 2 | - | 2 | 2 |
| Delaware Park | - | - | 2 | 2 | 2 | ? |
| Delta Downs | 2 | 2 | 2 | 2 | 2 | 2 |
| Ellis Park | 1 | - | 1 | - | - | 2 |
| Emerald Downs | - | - | 2 | - | 2 | 2 |
| Evangeline Downs | 1 | - | 2 | 2 | 2 | - |
| Fair Grounds | - |
- |
2* | 2 | 2 | 2 |
| Golden Gate Fields | - |
- |
2 | - |
2 | 2 |
| Gulfstream Park | 1 | 1 | 1 | - |
2 | 2 |
| Hawthorne | - |
- |
- |
2 | 2 | 2 |
| Hoosier Park | - |
- | 2 | - | 2 | 2 |
| Indiana Downs | - |
- | 2 | 2 | 2 | 2 |
| Keeneland | 1 | - | - | - | 2* | 2 |
| Laurel Park | 1 | 1 | 1 | 2 | 2 | 2 |
| Lone Star Park | 1 | - | 2 | - | 2 | 2 |
| Louisiana Downs | 1 | - | 2 | 2 | 2 | 2 |
| Mahoning Valley | - | - | 2 | 2 | 2 | 2 |
| Monmouth Park | - | - | 2 | 2 | 2 | 2 |
| Mountaineer | 2 | - | 2 | 2 | 2 | 2 |
| Oaklawn Park | - | - | 2* | 2 | 2 | 2 |
| Parx | 1 | - | 2 | 2 | 2 | 2 |
| Pimlico | - | - | 2 | 2 | 2 | 2 |
| Portland Meadows | - | - | 2 | 2 | 2 | 2 |
| Prarie Meadows | - | - | 2 | 2 | 2 | 2 |
| Presque Isle Downs | - | - | 2 | 2 | 2 | 2 |
| Remington Park | 1 | - | 2 | 2 | 2 | 2 |
| Sam Houston | 1 | - | 2 | 2 | 2 | 2 |
| Santa Anita | 1 | - | 2 | - | 2 | 2 |
| Saratoga | 1 | - | 1 | - | 2 | 2 |
| Suffolk Downs | - | - | 2 | - | 2 | 2 |
| Sunland Park | - | - | 2 | - | - | - |
| Tampa Bay Downs | 1 | - | 2 | 2 | 2 | 2 |
| Thistledown | - | - | 2 | 2 | 2 | 2 |
| Turf Paradise | - | - | 2 | - | - | - |
| Turfway Park | - | - | 2 | - | 2 | 2 |
| Woodbine | 1 | - | - | 2 | 2 | 2 |
* Short Stretch
