| Name ▲ | Age | Gender | Owner | Actions |
|---|
| Awelon | 7 | Mare | Rainee Thoroughbreds | |
| Awesome Act | 12 | Stallion | Final Furlong | |
| Awesome Base | 12 | Stallion | Final Furlong | |
| Awesome Cherry | 11 | Stallion | Final Furlong | |
| Awesome Spirit | 11 | Stallion | Sakura Springs | |
| Awesome Stream | 9 | Gelding | Clicker Lab | |
| Axial Fire | 15 | Gelding | Gant's Farm | |
| Axius | 15 | Gelding | Final Furlong | |
| Aye Cee Dee Cee | 9 | Stallion | Lochiedo Stables | |
| Azambuja | 4 | Mare | Dreadnought | |
| Azimuth | 11 | Stallion | Darkwood Stables | |
| Aziraphale | 12 | Gelding | Cricket Hill | |
| Azkaban | 8 | Stallion | Denoux Stud | |
| Azriel | 6 | Stallion | Denoux Stud | |
| Aztec Empire | 15 | Gelding | Denoux Stud | |
| Aztec Lord | 9 | Stallion | Rainee Thoroughbreds | |
| B A Cowboy | 19 | Gelding | Final Furlong | |
| BB King | 13 | Stallion | Final Furlong | |
| Baandee | 8 | Stallion | Littlefield | |
| Baba O'Riley | 11 | Stallion | Final Furlong | |