| Trainer | Starts | Wins | Win % | |||
| Gilberto Zerpa | 20 | 12 | 60 | |||
| Albert M. Stall, Jr. | 52 | 24 | 46 | |||
| Manuel Ortiz, Sr. | 26 | 12 | 46 | |||
| Jorge Navarro | 125 | 55 | 44 | |||
| Jonathan Thomas | 28 | 12 | 43 | |||
| Manuel Badilla | 31 | 13 | 42 | |||
| Jason Servis | 86 | 36 | 42 | |||
| Adam Rice | 17 | 7 | 41 | |||
| Gustavo Delgado | 22 | 9 | 41 | |||
| Kevin S. Patterson | 22 | 9 | 41 | |||
| Murray Duncan | 20 | 8 | 40 | |||
| Adam Kitchingman | 20 | 8 | 40 | |||
| F. Dewaine Loy | 15 | 6 | 40 | |||
| Joseph P. Smith | 15 | 6 | 40 | |||
| Andrew L. Simoff | 18 | 7 | 39 | |||
| Javier Contreras | 37 | 14 | 38 | |||
| Thomas Drury, Jr. | 37 | 14 | 38 | |||
| Zeljko Krcmar | 16 | 6 | 38 | |||
| Louie J. Roussel, III | 28 | 10 | 36 | |||
| Jack Steiner | 17 | 6 | 35 | |||
| John W. Baird | 20 | 7 | 35 | |||
| Eduardo E. Rojas | 20 | 7 | 35 | |||
| Brad H. Cox | 151 | 52 | 34 | |||
| Todd W. Fincher | 47 | 16 | 34 | |||
| Anthony Pecoraro | 33 | 11 | 33 |
