| Name ▲ | Age | Gender | Owner | Actions |
|---|---|---|---|---|
| X Caliber | 12 | Stallion | Lochiedo Stables | View |
| X Mal | 7 | Mare | Clicker Lab | View |
| X-Ray Vision | 21 | Gelding | Final Furlong | View |
| X-Ray Vission | 21 | Gelding | Final Furlong | View |
| Xandu | 17 | Gelding | Final Furlong | View |
| Xanthein | 11 | Mare | Gant's Farm | View |
| Xayoo | 5 | Mare | Clicker Lab | View |
| Xenolith | 11 | Mare | Gant's Farm | View |
| Xerophilous | 13 | Mare | Gant's Farm | View |
| Xerophyte | 11 | Mare | Gant's Farm | View |
| 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 |