| Jack W. Davison | |
| Jackie Acksel | Tampa Bay Downs
04-May-26,
Babyback |
| Jackie Acksel-schuyler | |
| Jackie Beriman | Cranbourne
10-Jan-26,
Clinger |
| Jackie Burrows | Timaru
10-Jun-25,
Heaven Can Wait |
| Jackie Crompton | Kilcoy
20-Jun-26,
Elegant Lucy |
| Jackie Greentree | Gosford
25-Apr-26,
Frosty Bangers |
| Jackie Panizza | Belmont
13-Jun-26,
Invincible Ruby |
| Jackie Riddle | Zia Park
21-Dec-23,
Tardy Cat |
| Jackie Scott | Carnarvon
19-Jun-26,
Passion Prince |
| Jackie Stoetzer | Port Lincoln
29-Mar-26,
Strawberry Swing |
| Jackson Matthews | Balaklava
19-Jun-24,
Pandarus |
| Jackson Morris | Ipswich
20-Jun-26,
Don Stefano |
| Jackson Pallot | Bairnsdale
14-Oct-24,
Nocreditilmidnite |
| Jaclyn Reed | Delaware Park
21-Jun-26,
Maddie'S Notion |
| Jacob Dillon | Charles Town
01-Dec-24,
Midnight Regret |
| Jacob G. Hess | Charles Town
14-Jun-26,
Shessweetlikecandy |
| Jacob Hess | Mountaineer
22-Apr-26,
Talavera |
| Jacob J. Simmons Iii | Sunland Park
22-Feb-26,
Cartel French Chicks |
| Jacob McKay | Te Rapa
04-Mar-23,
Mighty Connor |
| Jacob Perrett | Coonabarabran
20-Jun-26,
Top Act |
| Jacob Renteria | Sunray Park
11-May-26,
A Revenant Dynasty |
| Jacob Tafoya | |
| Jacobo Mejia | Lone Star Park
22-Jun-26,
Samsplayerslounge |
| Jacoby Landry | Delta Downs
13-Dec-25,
Hoosier |
| Jacque Guerra | Turf Paradise
02-May-26,
Go Go Sadie |
| Jacqueline Falk | Finger Lakes
17-Jun-26,
Cast A Coin |
| Jacqueline Greentree | Gosford
19-Jul-25,
The Bubayaga |
| Jacqueline Henderson | Geraldton
04-Mar-23,
Scarlet At Tara |
| Jacqueline Savoye | Laurel Park
07-Jan-23,
Bourbon On The Bay |
| Jacquelyn Scott | Geraldton
12-Oct-25,
West River Jewel |
| Jacques Strydom | Fairview
19-Jun-26,
Surge Of Power |
| Jacqui Navarre | Turf Paradise
10-Apr-26,
Towhee |
| Jacqui Paisley | Donald
08-Oct-12,
FILLE DE CHOIX |
| Jacqui Sims | Echuca
20-Oct-25,
Ambalac |
| Jada C. Schlenk | Hawthorne
22-Jun-26,
Sand Mountain |
| Jada Schlenk | Fairmount Park
01-Jun-25,
Izeondec |
| Jade Darose | Cranbourne
09-Dec-22,
Bobbysangtheblues |
| Jade Doolan | Townsville
16-Jun-26,
Tiger Rocket |
| Jade McDonald | Goulburn
07-Feb-21,
Boudicas |
| Jade Tangaroa | Northam
18-Jun-26,
Repeater |
| Jade Zuppicich | Pukekura Raceway
23-May-26,
Celtic Echo |
| Jai Phillips | Kilcoy
28-Feb-20,
Harpah's Joy |
| Jailinne Venzor | Louisiana Downs
10-Sep-24,
Bad Brad |
| Jaime Aldavaz | Sunland Park
05-Apr-25,
Super Stuper |
| Jaime Barreto | Gavea
27-Jan-25,
Borba Gato |
| Jaime Bravo-estrada | Philadelphia Park
21-Apr-26,
First Money |
| Jaime C C | Hipodromo Chile
11-May-25,
Desert Cat |
| Jaime Castellanos | Lone Star Park
22-Jun-26,
Fayette Blue |
| Jaime Cruz | Charles Town
21-Jun-26,
Titanio |
| Jaime Dominguez | Sunray Park
11-May-26,
Pitchins Train B |
| Jaime E. Gonzalez | |
| Jaime Estrada | Penn National
20-Dec-25,
Thirsty Pappy |
| Jaime G. Aldavaz, Sr. | Sunray Park
17-May-26,
Don Good Lookin |
| Jaime Gonzalez | Oaklawn Park
02-May-26,
Stephanie Starfish |
| Jaime H. Gomez | Los Alamitos Racecourse
01-Jun-26,
Brewtal Cowboy |
| Jaime Herrera | |
| Jaime N. Gonzalez | Oaklawn Park
03-May-26,
Sunday Bonnet |
| Jaime R R | Hipodromo Chile
11-May-25,
Nany Arch |
| Jaime Vigil | |