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| Name | Last Run |
|---|---|
| Ar Bella Corona | Horseshoe Indianapolis, 31-May-24 |
| Ar Ya Weegee | Sunland Park, 07-Apr-25 |
| Ara | Los Alamitos Racecourse, 03-Nov-25 |
| Arabella Stone | Remington Park, 29-Mar-25 |
| Arabia Wild | Horseshoe Indianapolis, 06-Aug-25 |
| Arabian Flirt | Santa Anita, 18-Oct-25 |
| Arabian Knight | Del Mar, 28-Jul-24 |
| Arabian Lion | Saratoga, 27-Aug-23 |
| Arabian Prince | Woodbine, 19-May-25 |
| Arafat | Woodbine, 09-Sep-23 |
| Araguaia | Horseshoe Indianapolis, 06-Jul-23 |
| Arak | Monmouth Park, 08-Sep-25 |
| Arami's Factor | Woodbine, 01-Dec-24 |
| Aramos | Gulfstream, 21-Jan-24 |
| Arancha | Listowel, 03-Jun-23 |
| Arancia Amigo | Sonoda, 18-May-23 |
| Aranciata | Delaware Park, 10-Aug-25 |
| Aransas Pass | Del Mar, 11-Nov-24 |
| Arashi | Gulfstream, 09-Mar-25 |
| Araucano | Saratoga, 25-Jul-25 |
| Araya | Turfway Park, 24-Dec-23 |
| Arazi Like Move | Mountaineer, 23-Aug-23 |
| Arbitro | Horseshoe Indianapolis, 10-Aug-25 |
| Arbitro | Sunray Park, 18-May-25 |
| Arboreta | Wodonga, 28-Jul-13 |
| Arcadia Calls | Tampa Bay Downs, 04-Jan-23 |
| Arcadian | Finger Lakes, 03-Sep-25 |
| Arcangelo | Saratoga, 27-Aug-23 |
| Arch City | Sunland Park, 07-Apr-25 |
| Arch Competitor | Monmouth Park, 29-Jul-24 |
| Arch Ego | Mountaineer, 24-Jul-24 |
| Arch Fire | Ladbrokes Park Lakeside, 27-May-17 |
| Arch Flyer | Fairmount Park, 15-Nov-23 |
| Arch Of Swords | Will Rogers Downs, 14-May-25 |
| Arch Street | Gulfstream, 27-Jan-25 |
| Arch's Assault | Saratoga, 11-Aug-25 |
| Archarch Cat | Thistledown, 01-May-24 |
| Archean | Moonee Valley, 23-Sep-16 |
| Archie The Giza | Keeneland, 17-Oct-25 |
| Archimedes | Keeneland, 20-Oct-25 |
| Archivist | Finger Lakes, 25-Sep-24 |
| Arco Augusta | Belmont At The Big A, 23-Jun-24 |
| Arctic Beast | Finger Lakes, 14-Oct-25 |
| Arctic Blonde | Woodbine, 10-Nov-24 |
| Arctic Breeze | Santa Anita, 23-Feb-25 |
| Arctic Fire | Ferndale, 24-Aug-24 |
| Arctic Outbreak | Laurel Park, 03-Nov-25 |
| Arctic Rose | Louisiana Downs, 16-Jul-24 |
| Arctic Velocity | Kentucky Downs, 31-Aug-25 |
| Arctica | Penn National, 16-Dec-23 |
| Ardanwood | Delaware Park, 24-Aug-25 |
| Arde Fox | Sapporo, 17-Aug-25 |
| Arden Ar | Mountaineer Park, 18-Nov-24 |
| Arden's Assault | Churchill Downs, 25-Nov-23 |
| Arden'sluckytobe | Colonial Downs, 17-Aug-25 |
| Ardent | Chantilly, 14-Jul-24 |
| Ardent Eye | Kyoto, 13-Oct-25 |
| Ardis | Fairmount Park, 01-Jun-25 |
| Arditamente | Mountaineer, 30-Oct-25 |
| Ardtrea | Los Alamitos Racecourse, 17-Sep-23 |