| Name ▲ | Age | Gender | Owner | Actions |
|---|
| Arbella | 9 | Mare | Final Furlong | |
| Arbutus | 8 | Mare | Final Furlong | |
| Arc En Ciel | 6 | Mare | Tall Oaks Farm | |
| Arcadian Princess | 19 | Mare | Final Furlong | |
| Arcane Dancer | 17 | Mare | Final Furlong | |
| Arcanist Allura | 9 | Mare | Final Furlong | |
| Archduchess | 7 | Mare | Final Furlong | |
| Arco da Vella | 15 | Mare | Tall Oaks Farm | |
| Arctic Daisy | 15 | Mare | Final Furlong | |
| Arctic Fox | 10 | Mare | Final Furlong | |
| Arctic Lemming | 19 | Mare | Final Furlong | |
| Arctic Sister | 15 | Mare | Krajina | |
| Ardaigh | 12 | Mare | Fair Isle Farm | |
| Ardent Ember | 11 | Mare | Final Furlong | |
| Ardent Partner | 10 | Mare | Final Furlong | |
| Ardent South | 11 | Mare | Krajina | |
| Ardent Vase | 12 | Mare | Final Furlong | |
| Ardent Writer | 9 | Mare | Final Furlong | |
| Ardiente | 16 | Mare | Black Briar Stables | |
| Are You Worthy | 8 | Mare | Final Furlong | |