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| Name | Last Run |
|---|---|
| Buddy's A Charm | Laurel Park, 17-Feb-24 |
| Buddy's Pal | Turf Paradise, 25-Apr-24 |
| Budget Booster | Horseshoe Indianapolis, 26-Sep-23 |
| Budget Line | Funabashi, 29-Nov-22 |
| Budro Talking | Fair Grounds, 25-Mar-24 |
| Buds N Suds | Santa Anita, 12-Oct-25 |
| Buds Notion | Delaware Park, 21-Sep-25 |
| Buehler's Day Off | Mahoning Valley, 28-Mar-25 |
| Buenisimo | Turf Paradise, 23-Apr-24 |
| Buetane | Saratoga, 02-Sep-25 |
| Buff And Shine | Penn National, 11-Jan-24 |
| Buff Hello | Gulfstream, 20-May-24 |
| Buff's Cat | Charles Town, 26-Oct-24 |
| Buff's Eye View | Charles Town, 24-May-24 |
| Buffalo River | Flemington, 15-Feb-25 |
| Buffalo Shuffle | Charles Town, 19-Jan-25 |
| Buffalo Spirit | Tampa Bay Downs, 03-Feb-24 |
| Buffalos Moments | Sunray Park, 24-May-25 |
| Buffer | Charles Town, 04-Jun-23 |
| Buffett | Sunland Park, 01-Mar-25 |
| Bug A Boo | Oaklawn Park, 28-Apr-24 |
| Bug Zapper | Sunray Park, 13-May-24 |
| BUGATTI ROYALE | Yarra Valley, 12-Sep-09 |
| Bugged Out | Delaware Park, 17-Oct-25 |
| Bugle Major | Cartmel, 01-Jun-23 |
| Bugler | Turf Paradise, 21-Mar-25 |
| Bugsy Breeze | Horseshoe Indianapolis, 17-Aug-23 |
| Bugsy's Wave Ryder | Fairmount Park, 28-Jun-23 |
| Bugyeong Cheonsa | Busan, 15-Nov-24 |
| Builder Jak | Gulfstream, 27-Oct-24 |
| Built | Churchill Downs, 04-May-25 |
| Built By Khozan | Laurel Park, 20-Oct-25 |
| Built Different | Tampa Bay Downs, 27-Apr-25 |
| Built Like Tarzan | Mountaineer, 24-May-23 |
| Built To Last | Aqueduct, 18-Dec-23 |
| Built'in Ability | Charles Town, 13-Sep-24 |
| Bukele | Mahoning Valley, 07-Nov-25 |
| Bukovel | Delaware Park, 03-Oct-25 |
| Bukubuku | Tokyo, 26-Oct-25 |
| Bull By The Horns | Gulfstream, 02-Nov-25 |
| Bull Dawgg | Lone Star Park, 31-Oct-25 |
| Bull It Prooph | Will Rogers Downs, 13-Oct-25 |
| Bull Moon | Sunland Park, 23-Feb-24 |
| Bull Rider | Charles Town, 02-Nov-25 |
| Bull Shark | Charles Town, 05-Jan-23 |
| Bull With No Name | Sunland Park, 07-Feb-25 |
| Bull's Legacy | Charles Town, 07-Sep-25 |
| Bullard | Churchill Downs, 18-May-25 |
| Bullaway | Sunray Park, 19-May-24 |
| Bullbriar | Horseshoe Indianapolis, 09-Nov-23 |
| Bulldacious Krome | Sunland Park, 15-Mar-24 |
| Bulldog Mike | Horseshoe Indianapolis, 07-Nov-25 |
| Bulldoze | Saratoga, 31-Aug-25 |
| Bulleit Rocks | Remington Park, 07-Dec-24 |
| Bullet | Woodbine, 23-Aug-24 |
| Bullet Baby | Churchill Downs, 10-Nov-25 |
| Bullet Blues | Gulfstream, 18-Oct-25 |
| Bullet Breeze | Penn National, 20-Jun-24 |
| Bullet Butch | Philadelphia Park, 05-Sep-23 |
| Bullet On Tap | Tampa Bay Downs, 12-Apr-25 |