| Name ▲ | Age | Gender | Owner | Actions |
|---|
| Ancient Fire | 15 | Mare | Gant's Farm | |
| Ancient Garden | 9 | Mare | Final Furlong | |
| Ancient Ghost | 9 | Mare | Pruchna | |
| Ancient Guide | 10 | Mare | Final Furlong | |
| Ancient Hocus | 12 | Mare | Krajina | |
| Ancient Knight | 7 | Mare | Fair Isle Farm | |
| Ancient Office | 7 | Mare | Tall Oaks Farm | |
| Ancient Secrets | 18 | Mare | Final Furlong | |
| Ancient Victory | 6 | Mare | AllegroThoroughbreds | |
| Ancient Wheel | 8 | Mare | Final Furlong | |
| And American | 8 | Mare | Final Furlong | |
| AndYourBirdCanSing | 14 | Mare | Final Furlong | |
| Andolay | 15 | Mare | Final Furlong | |
| Andover the Cash | 14 | Mare | Final Furlong | |
| Andromeda | 17 | Mare | Final Furlong | |
| Andromeda Black | 7 | Mare | Rainee Thoroughbreds | |
| Anduin | 10 | Mare | Marshall Creek Ranch | |
| Andzia | 5 | Mare | Clicker Lab | |
| Anex | 16 | Mare | Final Furlong | |
| Ange du Mal | 9 | Mare | Final Furlong | |