Horses in United States
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| Name | Last Run |
|---|---|
| Archarch Cat | Thistledown, 01-May-24 |
| Archean | Moonee Valley, 23-Sep-16 |
| Archie The Giza | Oaklawn Park, 02-Mar-26 |
| Archimedes | Fair Grounds, 02-Feb-26 |
| Archivist | Finger Lakes, 25-Sep-24 |
| Arco Augusta | Belmont At The Big A, 23-Jun-24 |
| Arco Thunder | Oaklawn Park, 08-Mar-26 |
| Arctic Beast | Aqueduct, 15-Feb-26 |
| Arctic Blonde | Woodbine, 10-Nov-24 |
| Arctic Breeze | Santa Anita, 23-Feb-25 |
| Arctic Fire | Ferndale, 24-Aug-24 |
| Arctic Outbreak | Penn National, 05-Dec-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 | Ohi, 30-Jan-26 |
| Arden Ar | Mountaineer Park, 18-Nov-24 |
| Arden Mist | Chantilly, 08-Mar-26 |
| Arden's Assault | Churchill Downs, 25-Nov-23 |
| Arden'sluckytobe | Laurel Park, 29-Nov-25 |
| Ardent | Chantilly, 14-Jul-24 |
| Ardent Eye | Kyoto, 13-Oct-25 |
| Ardis | Fairmount Park, 01-Jun-25 |
| Arditamente | Charles Town, 13-Dec-25 |
| Ardtrea | Los Alamitos Racecourse, 17-Sep-23 |
| Arduous | Gulfstream, 09-Dec-23 |
| Are You A Spy | Turfway Park, 15-Mar-25 |
| Are You Happy | Finger Lakes, 10-May-23 |
| Are You Single | Gulfstream, 04-Sep-23 |
| Areacodefiveoone | Gulfstream, 24-Nov-25 |
| Arella Star | Churchill Downs, 16-Sep-24 |
| Arete | Colonial Downs, 15-Aug-25 |
| Arete's Chalice | Gulfstream, 17-Feb-23 |
| Areuhavingfunyet | Churchill Downs, 13-Nov-23 |
| Areuokwiththis | Gulfstream, 20-Aug-23 |
| Areyougonnakissme | Charles Town, 22-Nov-24 |
| Arfons | Seoul, 07-May-23 |
| Argan | Oaklawn Park, 09-Mar-26 |
| Argent Heir | Tampa Bay Downs, 28-Feb-26 |
| Argentiera | Aqueduct, 07-Dec-25 |
| Argentina Girl | Laurel Park, 01-Feb-25 |
| Argentinidad | Turfway Park, 06-Mar-26 |
| Argentium | Woodbine, 14-Dec-24 |
| Argos | Gulfstream, 01-Mar-26 |
| Arguing Louise | Fair Grounds, 30-Jan-26 |
| Argumental | Presque Isle Downs, 15-Oct-25 |
| Argybargy Buck | Fairmount Park, 26-Oct-25 |
| Argyles | Los Alamitos Racecourse, 24-Nov-25 |
| Argyll | Mountaineer, 20-Nov-23 |
| Arham | Santa Anita, 20-Jan-24 |
| Ari | Singapore, 22-Jun-24 |
| Ari Gold | Colonial Downs, 09-Sep-23 |
| Ari's Magic | Aqueduct, 22-Feb-26 |
| Aria Aperta | Sunray Park, 01-May-23 |
| Aria D | Meadowlands, 20-Sep-25 |
| Aria Run | Will Rogers Downs, 05-Nov-25 |
| Ariana Blue | Sportsbet-Pakenham Synthetic, 09-Oct-23 |
| Ariana Rye | Aqueduct, 06-Apr-25 |
| Ariana Valentina | Tampa Bay Downs, 05-Mar-26 |