| Name ▲ | Age | Gender | Owner | Actions |
|---|
| Irish Luck Ran Out | 0 | Colt | Black Briar Stables | View |
| Iron Mountain | 0 | Colt | Denoux Stud | View |
| Irradiation | 0 | Colt | Gintara Lodge | View |
| Irresistible | 0 | Filly | Generous Bloodstock | View |
| It's My Win | 0 | Filly | Stillwater Farms | View |
| Ita | 0 | Filly | Lochiedo Stables | View |
| Italian Desserts | 0 | Filly | Black Briar Stables | View |
| Italian Princess | 0 | Filly | Tall Oaks Farm | View |
| Iynx | 0 | Filly | Generous Bloodstock | View |
| I’m Your Legacy | 0 | Filly | Tall Oaks Farm | View |
| JAG | 3 | Colt | Desert Wind Farm | View |
| Jack Tar | 0 | Colt | Dreadnought | View |
| Jaguar | 0 | Filly | New Boston Stables | View |
| Je m’appelle Joey | 0 | Filly | Generous Bloodstock | View |
| Jenny De | 0 | Filly | Gintara Lodge | View |
| Join the Dark Side | 0 | Filly | Black Briar Stables | View |
| Joseon Prince | 0 | Colt | New Boston Stables | View |
| Juilliard | 0 | Colt | Denoux Stud | View |
| Julius Ceazar | 0 | Colt | Tall Oaks Farm | View |
| Jurassic Coast | 0 | Colt | Generous Bloodstock | View |