| Name ▲ | Age | Gender | Owner | Actions |
|---|
| Aros Bay | 10 | Stallion | Final Furlong | |
| Around The Clock | 13 | Gelding | Black Storm West | |
| Around The Globe | 20 | Gelding | Final Furlong | |
| Around the World | 3 | Filly | Black Storm West | |
| Arresting | 13 | Gelding | Gant's Farm | |
| Arrivederci | 21 | Gelding | Final Furlong | |
| Arrogant Angel | 10 | Mare | AllegroThoroughbreds | |
| Arrogant Blade | 11 | Stallion | Final Furlong | |
| Arrogant Fiesta | 11 | Stallion | Final Furlong | |
| Arrogant Quarter | 12 | Stallion | Final Furlong | |
| Arrogant Success | 9 | Mare | Blackhawk Ridge | |
| Arrr Matey | 13 | Stallion | New Boston Stables | |
| Ars Notoria | 7 | Stallion | Rainee Thoroughbreds | |
| Arsonist | 13 | Stallion | Final Furlong | |
| Art of Goodbye | 5 | Mare | Dreadnought | |
| Art of Power | 9 | Stallion | Denoux Stud | |
| Artax Challenge | 18 | Gelding | Final Furlong | |
| Artemor | 6 | Stallion | Clicker Lab | |
| Artful Bound | 16 | Stallion | Final Furlong | |
| Artful Dodger | 6 | Stallion | Denoux Stud | |