Horses in United States
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| Name | Last Run |
|---|---|
| Sonofasonofasailor | Aqueduct, 16-Feb-26 |
| Sonoma Dreaming | Emerald Downs, 20-Jul-25 |
| Sonoma Sam | Turf Paradise, 19-Mar-26 |
| Sonoran | Santa Anita, 26-Dec-22 |
| Sonuva Butch | |
| Sonya Knows Better | Fair Grounds, 20-Mar-26 |
| Soo Bronx | |
| Soo Brooklyn | Golden Gate Fields, 27-May-24 |
| Soo Handsome | Laurel Park, 21-Mar-26 |
| Sooey Strong | Mountaineer, 04-Jun-25 |
| Sooey's Princess | Charles Town, 18-Dec-22 |
| Sooner Lunar | Woodbine, 04-Nov-24 |
| Sooner Red | Remington Park, 18-Oct-25 |
| Soontobeking | Aqueduct, 25-Apr-26 |
| Soothe | Saratoga, 02-Sep-24 |
| Sophey | Remington Park, 26-Apr-26 |
| Sophia Lauren | Gulfstream, 12-Aug-23 |
| Sophia Supergirl | Horseshoe Indianapolis, 31-Aug-25 |
| Sophia Wanted Waters | Lone Star Park, 04-Oct-25 |
| Sophia's Prince | Philadelphia Park, 01-Dec-25 |
| Sophia's Rose | Penn National, 19-Jul-24 |
| Sophia's Storm | Tampa Bay Downs, 13-Apr-25 |
| Sophie Jean | Santa Anita, 26-Jan-25 |
| Sophie's Candy | Charles Town, 14-Apr-24 |
| Sophie's Cruiser | Fair Grounds, 22-Mar-26 |
| Sophie's Heart | Santa Anita, 22-Mar-26 |
| Sophie's Painter | Delta Downs, 07-Feb-26 |
| Sophie's Shadow | Horseshoe Indianapolis, 23-Aug-23 |
| Sophie's Star | Will Rogers Downs, 27-Mar-25 |
| Sophies Thunder | Sunland Park, 22-Mar-26 |
| Sophisticat | Sunray Park, 13-Apr-26 |
| Sophisticate | Santa Anita, 05-May-25 |
| Sophisticated | Churchill Downs, 09-Nov-23 |
| Sophisticated Cat | Gulfstream, 18-Jan-26 |
| Sophistry | Gulfstream, 14-Dec-25 |
| Sophos | Delaware Park, 26-Jul-24 |
| Soprise Astray | Tampa Bay Downs, 26-Feb-24 |
| Sorakarano Chikara | Mombetsu, 14-Jun-23 |
| Sorbet | Santa Anita, 23-Oct-23 |
| Sorcerers Stone | Horseshoe Indianapolis, 22-Jun-23 |
| SOREADYFORSPRING | |
| Sorella Bella | Gulfstream, 20-Mar-26 |
| Sorjonen | Monterrico, 30-Oct-23 |
| Sorokin | Tampa Bay Downs, 28-Mar-26 |
| Sorolla | Laurel Park, 15-Oct-23 |
| Sorority Bid | Gulfstream, 27-Mar-25 |
| Sorority Girl | Horseshoe Indianapolis, 10-Sep-24 |
| Sorority Party | Turf Paradise, 23-Jan-26 |
| Sorority Prank | Finger Lakes, 19-Nov-25 |
| Sorority Sister | Mahoning Valley, 24-Jan-25 |
| Sorpreso | Aqueduct, 06-Apr-24 |
| Sorrel Bullet | Tokyo, 24-Nov-25 |
| Sorrentino | Gulfstream, 29-Mar-26 |
| Sorry I Missed U | Mountaineer, 10-Dec-25 |
| Sorry Not Sorry | Oaklawn Park, 17-Feb-26 |
| Sorrypappybyhouston | Sunray Park, 25-Apr-26 |
| Sortaria | Pimlico, 18-Sep-23 |
| Sortashy | Assiniboia Downs, 24-Jul-24 |
| Sosua Summer | Gulfstream, 23-Mar-26 |
| Sotona | Presque Isle Downs, 29-May-25 |