| Name ▼ | Age | Gender | Owner | Actions |
|---|---|---|---|---|
| Xingjiao Temple | 7 | Mare | Ivy Creek Farm | View |
| Xiaolongbao | 2 | Colt | New Boston Stables | View |
| Xerneas | 2 | Colt | Denoux Stud | View |
| Xenophilius | 7 | Stallion | Stillwater Farms | View |
| Xcience Guy | 7 | Stallion | Hidden Oak Farm | View |
| Xayabury | 6 | Stallion | Gant's Farm | View |
| Xaxaba | 6 | Mare | Gant's Farm | View |
| Xaspian | 8 | Stallion | Krajina | View |
| Xanthos | 8 | Stallion | Final Furlong | View |
| Xanthan Gum | 6 | Mare | Gant's Farm | View |
| XD | 5 | Stallion | Black Storm West | View |
| X-Ray Eyes | 6 | Stallion | Gant's Farm | View |
| X's and O's | 6 | Mare | Gant's Farm | View |
| Wyvern | 3 | Filly | Hidden Oak Farm | View |
| Wyoming | 9 | Stallion | Final Furlong | View |
| Wyatt | 9 | Stallion | Final Furlong | View |
| Wry Veil | 5 | Mare | Gant's Farm | View |
| Wry Trip | 5 | Mare | Final Furlong | View |
| Wry Sand | 4 | Stallion | Gant's Farm | View |
| Wry Purpose | 4 | Stallion | Final Furlong | View |