| Name ▼ | Age | Gender | Owner | Actions |
|---|
| Zip It | 11 | Mare | Final Furlong | |
| Zinnia | 6 | Mare | Tall Oaks Farm | |
| Zinfandel | 6 | Mare | Denoux Stud | |
| Zharat Dubai | 17 | Mare | Final Furlong | |
| Zero Sum | 11 | Mare | Final Furlong | |
| Zero Dark | 12 | Mare | Final Furlong | |
| Zephyra | 13 | Mare | Final Furlong | |
| Zendaya | 7 | Mare | Rainee Thoroughbreds | |
| Zen You Run | 18 | Mare | Final Furlong | |
| Zelly | 12 | Mare | Marshall Creek Ranch | |
| Zelena | 11 | Mare | Final Furlong | |
| Zeldabelle | 9 | Mare | Black Storm West | |
| Zelda | 10 | Mare | Final Furlong | |
| Zebra Jewel | 18 | Mare | Final Furlong | |
| Zebra Jasper | 6 | Mare | Tall Oaks Farm | |
| Zebra Finch | 9 | Mare | Final Furlong | |
| Zealous Vein | 12 | Mare | Final Furlong | |
| Zealous Stamp | 7 | Mare | Final Furlong | |
| Zealous River | 8 | Mare | Final Furlong | |
| Zealous Hall | 10 | Mare | Final Furlong | |