| Trainer | Starts | Wins | Win % | |||
| James H. McDonald | 15 | 7 | 47 | |||
| Gilberto Zerpa | 22 | 10 | 45 | |||
| Jorge Navarro | 138 | 59 | 43 | |||
| Manuel Badilla | 26 | 11 | 42 | |||
| Albert M. Stall, Jr. | 53 | 22 | 42 | |||
| Benny R. Feliciano | 17 | 7 | 41 | |||
| Jason Servis | 96 | 38 | 40 | |||
| Edward J. Kereluk | 18 | 7 | 39 | |||
| Manuel Ortiz, Sr. | 26 | 10 | 38 | |||
| Anthony Adamo | 24 | 9 | 38 | |||
| Stacey Rushton | 16 | 6 | 38 | |||
| Thomas Drury, Jr. | 38 | 14 | 37 | |||
| Juan Arriagada | 19 | 7 | 37 | |||
| Kevin S. Patterson | 19 | 7 | 37 | |||
| Jose R. Gonzalez, Jr. | 22 | 8 | 36 | |||
| Dick Cappellucci | 28 | 10 | 36 | |||
| Russell Gardipy | 31 | 11 | 35 | |||
| Saffie A. Joseph, Jr. | 31 | 11 | 35 | |||
| Adam Rice | 17 | 6 | 35 | |||
| Jaqueline Smith | 37 | 13 | 35 | |||
| Javier Contreras | 40 | 14 | 35 | |||
| Michael Yates | 20 | 7 | 35 | |||
| Scott Horst | 23 | 8 | 35 | |||
| Roger A. Brueggemann | 30 | 10 | 33 | |||
| Andrew L. Simoff | 24 | 8 | 33 |
