| Name ▲ | Age | Gender | Owner | Actions |
|---|
| Xerosere | 11 | Mare | Gant's Farm | View |
| Xile | 13 | Stallion | Final Furlong | View |
| Xiphidium | 11 | Mare | Gant's Farm | View |
| Xiphium | 6 | Mare | Rainee Thoroughbreds | View |
| Xiuxiuejat | 11 | Gelding | Clicker Lab | View |
| Xotic Seed | 5 | Mare | Clicker Lab | View |
| Xoxoxo | 10 | Gelding | Clicker Lab | View |
| Xplicit | 18 | Gelding | Final Furlong | View |
| Xplicit Glam | 10 | Mare | Clicker Lab | View |
| Xspeedious | 15 | Stallion | Final Furlong | View |
| Xylyl | 11 | Mare | Gant's Farm | View |
| Xyzzy | 9 | Gelding | Clicker Lab | View |
| Y'all | 10 | Mare | Clicker Lab | View |
| Yacht Club | 12 | Stallion | Final Furlong | View |
| Yaletha | 7 | Mare | Clicker Lab | View |
| Yamamoto | 11 | Stallion | Final Furlong | View |
| Yandilla | 9 | Mare | Port Pirie | View |
| Yankee Axe | 17 | Gelding | Final Furlong | View |
| Yankee Doodle | 8 | Stallion | Gintara Lodge | View |
| Yankee Moon | 16 | Stallion | Final Furlong | View |