| Arnoud Dobber | Gulfstream
18-Aug-25,
Truly Urgent |
| Arnoud W. Dobber | Tampa Bay Downs
01-Mar-26,
Centerfold Guy |
| Arnulfo Ascencio | Sunray Park
22-Apr-23,
Relentless Dean |
| Arnulfo Cardenas | Sunland Park
28-Feb-26,
Gold Heart 7 |
| Arnulfo Rangel | Mountaineer
30-May-23,
Willymar |
| Arolfo Vicente | San Isidro
22-Jun-23,
La Fontan |
| Arthur A. Coontz | Turfway Park
20-Dec-25,
Hanabi |
| Arthur Agostini | Delaware Park
18-Jul-25,
Guaio |
| Arthur Coontz | Hawthorne
09-Sep-24,
Goldicat |
| Arthur Craig | Moree
23-Jul-15,
Barista Miss |
| Arthur Goulding | Ballinrobe
26-Aug-25,
Abel Mabel |
| Arthur Howlett | Moruya
17-Jan-05,
Bush Flash |
| Arthur Lucero | Sunland Park
13-Jan-25,
Leave It To Corona |
| Arthur Mortimer | Pinjarra
30-Nov-25,
Beejay Boy |
| Arthur Murphy | Ararat
28-Jan-21,
Golden Lance |
| Arthur O. Agostini | Tampa Bay Downs
02-Mar-26,
Handsome Fox |
| Arthur Pace | Swan Hill
23-Nov-25,
Manhattan Darling |
| Arthur Ray Lucero | Sunland Park
17-Feb-26,
Finglas Lad |
| Arturo A Arrospide | San Isidro
07-May-23,
Batty Mayor |
| Arturo Arrospide | Palermo
04-May-24,
Doctor Navarro |
| Arturo Chavez | Sunland Park
02-Mar-26,
Brandyn |
| 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
16-Feb-26,
Rusty Cage |
| 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 | Tampa Bay Downs
23-Feb-26,
Miss Valentina |
| Arturo Williams | Los Alamitos
16-Jun-24,
Echo Alpha Six |
| As&d Allard | |
| As&D Allard | Machecoul
10-Feb-26,
Zelman |
| 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 | Sunland Park
01-Mar-26,
Jesses Dinero |
| Ashleigh Smith | Moe
22-Feb-26,
Sardius |
| Ashleigh Woollett | Belmont
25-Feb-26,
Magic Mikey |
| Ashley Castrenze | |
| Ashley Dunn | Louisiana Downs
15-Sep-24,
I Am On The List |
| Ashley Fortune | Vaal
27-Jun-23,
Laetitia's Angel |
| Ashley Frye | Riccarton Park
18-Feb-26,
Nature Reserve |
| Ashley Gibson | Dubbo
15-Feb-26,
Alpine Rose |
| Ashley Gillis | Sportsbet-Ballarat Synthetic
13-Aug-19,
Vienna Wolf |
| Ashley Grace | Kalgoorlie
07-Sep-25,
Lendanear |
| Ashley Maley | Esperance Bay
01-Mar-26,
Royal Gap |
| Ashley McQuillen | Yeppoon
05-Aug-23,
Chloella Bella |
| Ashley Meaburn | Launceston
25-Feb-26,
Ashfall |
| Ashley Meadows | Waipukurau
15-Feb-26,
Mckhan |
| Ashley Potts | Turf Paradise
12-Jan-23,
Talkingnonstop |
| Ashley Stees | Laurel Park
16-Feb-26,
Sweet Honey Bee |
| Ashley T. Garcia | Turf Paradise
23-Jan-26,
Kid Cocinero |
| Ashton Downing | Strathalbyn
08-Mar-23,
Pollyanna |
| Ashton Laday | Lone Star
14-Jun-25,
All Country |
| Ashtyn Reedy | Toowoomba
28-Feb-26,
Butt Heads |
| Assaf Ronen | Aqueduct
02-Mar-26,
Wayward Queen |
| Athol Ryan | Atherton
22-Nov-25,
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
28-Dec-25,
K Ballade |