| Trainer | Starts | Wins | Win % | |||
| Brittany A. Vanden Berg | 24 | 11 | 46 | |||
| Miguel L. Hernandez | 25 | 11 | 44 | |||
| Shane Meyers | 19 | 8 | 42 | |||
| Roger F. Engel | 20 | 8 | 40 | |||
| Wesley A. Ward | 95 | 36 | 38 | |||
| Robert Mosco | 32 | 12 | 38 | |||
| Jack Hurley | 16 | 6 | 38 | |||
| Jamie Ness | 140 | 50 | 36 | |||
| John C. Servis | 31 | 11 | 35 | |||
| Larry Rivelli | 54 | 18 | 33 | |||
| Brittany T. Russell | 30 | 10 | 33 | |||
| Timothy Mark Gleason | 24 | 8 | 33 | |||
| O. J. Jauregui | 21 | 7 | 33 | |||
| Irving Velez | 21 | 7 | 33 | |||
| Leandro Mora | 18 | 6 | 33 | |||
| Kim Hammond | 15 | 5 | 33 | |||
| Jose Lozano Sanchez | 15 | 5 | 33 | |||
| Richard E. Mandella | 28 | 9 | 32 | |||
| Aaron M. West | 28 | 9 | 32 | |||
| Kevin S. Patterson | 25 | 8 | 32 | |||
| Louis C. Linder, Jr. | 54 | 17 | 31 | |||
| John J. Robb | 26 | 8 | 31 | |||
| Matt Williams | 23 | 7 | 30 | |||
| Bob Baffert | 60 | 18 | 30 | |||
| Brad H. Cox | 182 | 54 | 30 |
