| Name ▲ | Age | Gender | Owner | Actions |
|---|
| What Chance | 12 | Mare | Final Furlong | |
| What Foolishness | 14 | Mare | Cricket Hill | |
| What Is Love | 12 | Mare | Gintara Lodge | |
| What Not To Wear | 15 | Mare | Final Furlong | |
| What a Jewel | 12 | Mare | Generous Bloodstock | |
| What the Men Want | 12 | Mare | Final Furlong | |
| What's My Fate | 14 | Mare | Final Furlong | |
| What's So Secret | 15 | Mare | Final Furlong | |
| What's That Girl | 13 | Mare | AllegroThoroughbreds | |
| What's That Power | 11 | Mare | Ivy Creek Farm | |
| What's With Magic | 15 | Mare | Final Furlong | |
| What's Your Goal | 15 | Mare | Final Furlong | |
| What's Your Song | 14 | Mare | Final Furlong | |
| What'sYourNumber | 13 | Mare | Mayfair | |
| Whatcha Got Cookin | 18 | Mare | Final Furlong | |
| Whats Believeable | 16 | Mare | Black Briar Stables | |
| Whats My Scene | 7 | Mare | Lochiedo Stables | |
| Wheaten Autumn | 12 | Mare | Krajina | |
| When You Were Mine | 13 | Mare | Gotapa Racing | |
| When You Wish | 15 | Mare | Final Furlong | |