| Name ▲ | Age | Gender | Owner | Actions |
|---|
| Social Climb | 1 | Colt | Hidden Oak Farm | View |
| Socotra | 1 | Filly | Cricket Hill | View |
| Soju | 1 | Colt | Black Storm West | View |
| Solar Sail | 1 | Filly | Hidden Oak Farm | View |
| Solar Storm | 1 | Filly | Generous Bloodstock | View |
| Solomon's Key | 1 | Colt | Fair Isle Farm | View |
| Solstice | 1 | Filly | Generous Bloodstock | View |
| Solstice Runner | 1 | Filly | Gintara Lodge | View |
| Somerset | 1 | Colt | Dreadnought | View |
| Sonora | 1 | Filly | Hidden Oak Farm | View |
| Sophora | 1 | Filly | Cricket Hill | View |
| Sophrosyne | 1 | Colt | Fair Isle Farm | View |
| Soubrette | 1 | Filly | Fair Isle Farm | View |
| Soul Destiny | 1 | Filly | AllegroThoroughbreds | View |
| Soul Survivor | 1 | Colt | Renegade Racing and Breeding | View |
| Sound Of Silence | 1 | Filly | Lochiedo Stables | View |
| SourCandyFlavored | 1 | Colt | Black Briar Stables | View |
| South Coast | 1 | Colt | Black Storm West | View |
| Southern Glow | 1 | Filly | Generous Bloodstock | View |
| Southern Sun | 1 | Colt | Lochiedo Stables | View |