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| Name | Last Run |
|---|---|
| Barron's Bounce | Saratoga, 19-Aug-24 |
| Barrry Says | Monmouth Park, 01-Sep-25 |
| Barry The Builder | Gulfstream, 12-Jan-25 |
| Barsabas | Del Mar, 18-Aug-25 |
| Barsini Red | Los Alamitos, 21-Sep-24 |
| Barsinview | Lone Star, 22-May-23 |
| Barsoom | Charles Town, 24-Oct-25 |
| Barstool | Keeneland, 16-Oct-25 |
| Barstool Babe | Aqueduct, 10-Mar-25 |
| Bart Sip Some | Sunray Park, 18-May-25 |
| Bart's Dream | Gulfstream, 16-Jul-23 |
| Bartender | Horseshoe Indianapolis, 07-Nov-25 |
| Bartenders Mistake | Fonner Park, 21-Apr-24 |
| Bartholdy | Santa Anita, 27-Oct-25 |
| Bartica | Woodbine, 18-Nov-23 |
| Bartlett | Turf Paradise, 02-Jan-25 |
| Bartlett | Colonial Downs, 27-Jul-25 |
| Bartoletta | Racing.com Park Synthetic, 23-May-19 |
| Bartolome | Louisiana Downs, 20-Aug-24 |
| Barton Strong | Santa Anita, 29-Oct-23 |
| Bartster | Fonner Park, 24-Mar-24 |
| Bartulia | Presque Isle Downs, 17-Oct-25 |
| Barwick | Woodbine, 23-Apr-23 |
| Barysta | Sunland Park, 06-Apr-25 |
| Barzini | Colonial Downs, 10-Jul-25 |
| Basalt Street | Fair Grounds, 25-Mar-24 |
| Baseball Lady | Aqueduct, 08-Nov-25 |
| Baseball Pegge | Horseshoe Indianapolis, 17-Nov-23 |
| Baseball Politics | Lone Star Park, 14-Jul-25 |
| Baseline Beater | Colonial Downs, 08-Aug-25 |
| Baseq And Bake | Sam Houston Race Park, 06-Apr-24 |
| Baseqanator | Lone Star Park, 17-Oct-25 |
| Bashdaflash | Charles Town, 06-Aug-23 |
| Bashful Baby | Saratoga, 29-Aug-25 |
| Bashful Daisy | Charles Town, 10-Oct-25 |
| Basic | Zia Park, 17-Dec-24 |
| Basic Miles | Laurel Park, 13-Oct-25 |
| Basic Truth | Laurel Park, 20-Oct-25 |
| Basil | Horseshoe Indianapolis, 22-Oct-25 |
| Basilea | Colonial Downs, 09-Aug-25 |
| Basilica Light | Gulfstream, 25-Aug-25 |
| Basin Street | Kochi, 16-Mar-25 |
| Basis Risk | Saratoga, 02-Sep-23 |
| Basket Case | Sam Houston Race Park, 03-Mar-25 |
| Basketball Jones | Woodbine, 02-Aug-24 |
| Basking | Gulfstream, 21-May-23 |
| Basking | Los Alamitos Racecourse, 12-Oct-25 |
| Basscoat | Horseshoe Indianapolis, 09-Jul-25 |
| Bassett | Mountaineer, 25-Sep-23 |
| Basso | Belmont Park, 25-Jun-23 |
| Bastet | Mahoning Valley, 05-Jan-24 |
| Bastien Le Brown | Mahoning Valley, 26-Jan-25 |
| Bastion | Saratoga, 05-Sep-23 |
| Bat Flip | Turfway Park, 14-Jan-24 |
| Bates Court | Fair Grounds, 13-Feb-24 |
| Batesville | Horseshoe Indianapolis, 04-Sep-25 |
| Bathing Beauty | Will Rogers Downs, 01-May-24 |
| Bati King | Colonial Downs, 22-Aug-25 |
| Baton | Mountaineer, 15-Oct-24 |
| Baton Rouge | Oaklawn Park, 17-Mar-25 |