Horses in United States
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| Name | Last Run |
|---|---|
| Serena's Surprise | Churchill Downs, 27-Jun-26 |
| Serenade A Kitten | Lone Star Park, 12-Jun-26 |
| Serenade At Sea | Fort Erie, 08-Oct-24 |
| Serenade Bay | Woodbine, 10-Dec-22 |
| Serenade Me | Charles Town, 21-Mar-26 |
| Serenade Soldier | Mountaineer, 03-Jul-24 |
| Serenader | Turf Paradise, 05-Dec-25 |
| Serenading Hall | Woodbine, 21-Sep-24 |
| Serenading Kitten | Aqueduct, 24-Jan-26 |
| Serenadingthemoon | Fair Grounds, 08-Jan-24 |
| Serenata De Amor | Monterrico, 01-Apr-23 |
| Serendip Ruler | Canterbury Park, 25-Aug-24 |
| Serendipitous | Mahoning Valley, 05-Feb-26 |
| Serendipitous Bid | Penn National, 19-Jun-26 |
| Serendipity | Churchill Downs, 06-Jun-26 |
| Serendipity Coco | Fairmount Park, 13-Aug-25 |
| Serendipitymonday | Colonial Downs, 05-Sep-25 |
| Serene Empress | Fairmount Park, 05-Jul-26 |
| Serene Kathleen | Fair Grounds, 23-Feb-26 |
| Serene Spirit | Laurel Park, 21-Jun-26 |
| Serene Warrior | Penn National, 27-Jul-24 |
| Serene Waters | Presque Isle Downs, 04-Jul-26 |
| Serenity Path | Gulfstream, 29-Jun-26 |
| Serenity Prayer | Tampa Bay Downs, 25-Apr-26 |
| Serenity Song | Laurel Park, 17-May-26 |
| Sereptah R3 | Louisiana Downs, 23-Mar-23 |
| Sergeant Capps | Aqueduct, 02-Mar-26 |
| Sergeant Countzler | Mahoning Valley, 12-Dec-24 |
| Sergeant Gump | Horseshoe Indianapolis, 12-Jun-26 |
| Sergeant Molly | Laurel Park, 15-Jun-25 |
| Sergeant Reckless | Oaklawn Park, 06-Apr-24 |
| Sergeant Sherman | Laurel Park, 28-Oct-23 |
| Sergeant Sinatra | Gulfstream, 29-Nov-25 |
| Serger | Thistledown, 25-Jun-24 |
| Series | Santa Anita, 05-Apr-24 |
| Serifos | Laurel Park, 22-Jun-26 |
| Serious Green | Woodbine, 11-May-25 |
| Serious Lady | Laurel Park, 29-Nov-25 |
| Serious Moment | Colonial Downs, 31-Aug-25 |
| Serious Nonsense | Penn National, 25-Jun-26 |
| Serious Rock | Lone Star Park, 01-Jun-26 |
| Serious Secret | Los Alamitos, 22-May-23 |
| Seriously Coronado | Remington Park, 11-May-26 |
| Seriously Impressive | Will Rogers Downs, 11-Nov-25 |
| Seriously Outahere | Remington Park, 23-Nov-25 |
| Seriously Sam | Fair Grounds, 11-Dec-23 |
| Seriously Sassy | Lone Star Park, 25-May-26 |
| Serketas | Turfway Park, 02-Feb-25 |
| Serpa | Turfway Park, 03-Mar-24 |
| Serpico R S S | Sunray Park, 18-May-25 |
| Serralunga | Gulfstream, 22-Dec-25 |
| Serrania | Gulfstream, 12-Apr-26 |
| Servanditos Cartel | Sunland Park, 08-Feb-26 |
| Servare | Limerick, 11-Jun-26 |
| Serve Revenge Cold | Mahoning Valley, 12-Nov-24 |
| Serviceman | Fairmount Park, 31-May-23 |
| Sesame Seed Bagel | Saratoga, 10-Aug-25 |
| Sesame Streek | Charles Town, 06-Feb-26 |
| Sessa Sisu | Mountaineer, 13-May-25 |
| Set | Saratoga, 31-Aug-25 |