| Name ▼ | Age | Gender | Owner | Actions |
|---|
| Utsusemi | 13 | Stallion | Krajina | View |
| Utah Jazz | 6 | Mare | Dreadnought | View |
| Useful Purpose | 11 | Stallion | Final Furlong | View |
| Useful Journey | 4 | Stallion | Dreadnought | View |
| Useful Glory | 12 | Stallion | Final Furlong | View |
| Use the Force | 10 | Stallion | Marshall Creek Ranch | View |
| Usain Kiss | 8 | Stallion | Tall Oaks Farm | View |
| Uruska | 6 | Stallion | Rainee Thoroughbreds | View |
| Urquhart Castle | 7 | Stallion | Generous Bloodstock | View |
| Urok | 6 | Stallion | Clicker Lab | View |
| Uridium | 12 | Stallion | Gintara Lodge | View |
| Urban Vegan | 8 | Stallion | Clicker Lab | View |
| Urban Art | 12 | Mare | Blackhawk Ridge | View |
| Uptown Funk | 10 | Mare | Gintara Lodge | View |
| Upswing | 11 | Stallion | Gintara Lodge | View |
| Upstage Bound | 16 | Stallion | Final Furlong | View |
| Upstage | 10 | Stallion | Denoux Stud | View |
| Uprising | 12 | Stallion | Gintara Lodge | View |
| Upon Request | 14 | Gelding | Gant's Farm | View |
| Upickedafinetime | 14 | Stallion | Final Furlong | View |