| Arturo Chavez | Sunray Park
18-May-26,
Mischief Maker |
| Arturo Garcia | Lone Star Park
15-Nov-25,
Zef Lucky Seis |
| Arturo Iii Terrazas | Sam Houston Race Park
23-Apr-23,
La Zooming First |
| Arturo J. Williams | Los Alamitos Racecourse
12-Sep-26,
Lampy |
| Arturo Juarez | Sam Houston Race Park
29-Apr-23,
Mg Boy Time |
| Arturo Juarez Flores | Lone Star Park
16-Nov-25,
Ttt Rare Chick |
| Arturo Rodriguez | Gulfstream
22-Jun-26,
Sanyj |
| Arturo Williams | Los Alamitos Racecourse
21-Jun-26,
Duchess Cat |
| As&d Allard | |
| As&D Allard | Dieppe
09-Sep-26,
Fee Du Vivien |
| Ash Skelton | Warwick
18-Jun-20,
Simderella |
| Ashlea Stelmach | Pinjarra Park
13-Jul-17,
Persona |
| Ashlee Grives | Goulburn
24-May-24,
Down To Earth |
| Ashlee Wolf | Sunray Park
18-May-26,
Eyesa Forrest |
| Ashleigh Smith | Echuca
19-Sep-26,
Tallingas Chief |
| Ashleigh Woollett | Albany
15-May-26,
What A Prince |
| Ashley Castrenze | |
| Ashley Dunn | |
| Ashley Fortune | Durbanville
16-Sep-26,
Sutherland |
| Ashley Frye | Riccarton Park Synthetic
20-Aug-26,
Forseti |
| Ashley Gibson | Narromine
23-Aug-26,
Alpine Rose |
| Ashley Gillis | Sportsbet-Ballarat Synthetic
13-Aug-19,
Vienna Wolf |
| Ashley Grace | Kalgoorlie
06-Sep-26,
Lendanear |
| Ashley Maley | Belmont
19-Sep-26,
Royal Law |
| Ashley McQuillen | Yeppoon
05-Aug-23,
Chloella Bella |
| Ashley Meaburn | Hobart
19-Jul-26,
Thespian Waters |
| Ashley Meadows | Te Rapa
25-Jul-26,
Mckhan |
| Ashley Potts | Turf Paradise
12-Jan-23,
Talkingnonstop |
| Ashley Stees | Delaware Park
11-Jul-26,
Sweet Honey Bee |
| Ashley T. Garcia | Turf Paradise
08-Apr-26,
Good Reason Jess |
| Ashton Downing | Strathalbyn
08-Mar-23,
Pollyanna |
| Ashton Laday | Sam Houston Race Park
14-Mar-26,
All Country |
| Ashtyn Reedy | Toowoomba
12-Sep-26,
Shot Down By Love |
| Assaf Ronen | Finger Lakes
15-Sep-26,
Pencima |
| Athol Ryan | Oak Park
03-Jul-26,
Racatoon |
| Athol Turner | Wagga
23-Sep-11,
Bullseye Bobby |
| Atilio A Miron | Palermo
27-Jun-23,
Real Strip |
| Atilio Miron | San Isidro
24-Jan-25,
Baile Popular |
| Atilio Sambuceti | San Isidro
25-Apr-24,
La Lichita |
| Atsushi Ikeda | Kanazawa
15-Sep-26,
Aster Dimbula |
| Aubrey A. Maragh | Gulfstream
20-Jul-25,
Jet Wings |
| Aubrey Beacham | Pinjarra Park
28-Jun-18,
Menin Road |
| Aubrey Maragh | Gulfstream
15-Sep-25,
X Y Point |
| Aubrie Suarez | Fair Grounds
21-Mar-26,
Social Solution |
| August Martin | Charles Town
17-Aug-25,
Jimmy The Kid |
| August R. Martin | Delaware Park
06-Sep-26,
Catatumbo |
| Austin Brown | Otaki
26-Dec-25,
Lizzie The Lizard |
| Austin Gustafson | Remington Park
19-Sep-26,
Caribbean Dream |
| Austy Coffey | Donald
12-Sep-26,
Bower Boy |
| Aveael Webb | |
| Avelino D Espinosa | Palermo
19-Aug-23,
El Laurel |
| Avelino Espinosa | San Isidro
22-May-25,
Jurabas Vos |
| Aversa | San Isidro
20-Jun-24,
La Nanni |
| Ayrton G Martinelli | San Isidro
30-Nov-23,
Queen's Hit |
| Ayrton Martinelli | San Isidro
21-Sep-24,
Lady Nevada |
| Azalea Tetsuhide | Nagoya
24-Dec-25,
Appealing Look |