Horses in United States
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| Name | Last Run |
|---|---|
| Rugged Sawyer Lee | Will Rogers Downs, 22-Apr-26 |
| Rugged Union | Monmouth Park, 09-Jul-23 |
| Ruggs | Sunray Park, 12-Apr-26 |
| Ruiva | |
| Ruiz Junior | Fonner Park, 13-Apr-26 |
| Rule Breaker | Delaware Park, 14-Oct-23 |
| Rule Em All | Remington Park, 11-Nov-23 |
| Rule Follower | Fairmount Park, 18-Oct-23 |
| Rule It | Thistledown, 23-Sep-25 |
| Rule Sixty Two | Aqueduct, 22-Feb-26 |
| Rule The Waves | Woodbine, 21-Jul-24 |
| Ruled By Spirit | Louisiana Downs, 15-Sep-24 |
| Ruler Of Angels | Turf Paradise, 23-Apr-26 |
| Ruler Of Law | Santa Anita, 19-Jan-26 |
| Ruler Of The Night | Finger Lakes, 01-Oct-24 |
| Ruler Of The Skies | Gulfstream, 28-Feb-26 |
| Ruler Of Time | Newbury, 18-Jul-25 |
| Ruleroftheuniverse | Gulfstream, 10-Apr-26 |
| Rules And Regs | Keeneland, 13-Apr-26 |
| Rules For Three | Tampa Bay Downs, 26-Apr-26 |
| Rules Of The Road | Gulfstream, 02-Mar-26 |
| Ruletas Vike | Sunland Park, 07-Feb-26 |
| Ruling | Charles Town, 12-Feb-23 |
| Ruling Court | Sandown, 05-Jul-25 |
| Ruling Empire | Mountaineer, 07-Dec-23 |
| Ruling Front | Tampa Bay Downs, 27-Jan-24 |
| Rulookinforrayray | Turfway Park, 20-Mar-26 |
| Ruly'S Street | Oaklawn Park, 24-Apr-26 |
| Rum 'n Tonic | Delta Downs, 15-Oct-23 |
| Rum Cup | Charles Town, 10-Mar-24 |
| Rum N Coke | Charles Town, 11-Apr-26 |
| Rum On The Rocks | Mountaineer, 24-Oct-23 |
| Rum Room | Gulfstream, 14-Feb-26 |
| Rum Runner Ready | Turfway Park, 07-Dec-23 |
| Rum Tum Tugger | Delaware Park, 17-Oct-24 |
| Rumailah | Wolverhampton, 12-Mar-24 |
| Rumaway | Monmouth Park, 21-Jul-25 |
| Rumbar | Kentucky Downs, 31-Aug-25 |
| Rumble King | Los Alamitos Racecourse, 05-Jul-25 |
| Rumble Strip Ron | Mahoning Valley, 04-Apr-26 |
| Rumbling | Hawthorne, 03-Nov-25 |
| Rumblyoungmanrumbl | Tampa Bay Downs, 25-Apr-26 |
| Rumbrandt | Hawthorne, 08-Sep-25 |
| Rumint | Aqueduct, 14-Feb-26 |
| Rumored | Turfway Park, 06-Feb-25 |
| Rumorgoingaround | Charles Town, 16-Jan-25 |
| Rumors Are Flying | Horseshoe Indianapolis, 17-Oct-25 |
| Rumors To Blame | Penn National, 23-Aug-24 |
| Rumours Fly | Mahoning Valley, 25-Mar-25 |
| Rumours Have It | Gulfstream, 23-Jan-26 |
| Rumpus | Lone Star Park, 26-Apr-26 |
| Rumpus A. P. | Los Alamitos Racecourse, 20-Sep-25 |
| Rumpus In Paradise | Turf Paradise, 16-Apr-26 |
| Rumpusinthesky | Evangeline Downs, 25-May-24 |
| Run A Fire | Will Rogers Downs, 01-May-24 |
| Run Abboudy Run | Los Alamitos Racecourse, 13-Apr-26 |
| Run Around Slew | Laurel Park, 21-Oct-24 |
| Run As One | Turf Paradise, 17-Feb-26 |
| Run Auntie T Run | Los Alamitos Racecourse, 23-Feb-26 |
| Run Away Bay | Sunray Park, 13-Apr-26 |