Horses in United States
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| Name | Last Run |
|---|---|
| Xylophone | Horseshoe Indianapolis, 23-May-24 |
| Xyngin Spitfire | Will Rogers Downs, 10-Feb-26 |
| Y City | Oaklawn Park, 01-Mar-26 |
| Y U Unbridled | Fairmount Park, 01-Oct-25 |
| Y Vee R | Hastings Racecourse, 22-Sep-24 |
| Y'allreadyforthis | Tampa Bay Downs, 08-Feb-26 |
| Y'zin Up | Charles Town, 24-Apr-25 |
| Ya Mar | Woodbine, 27-Apr-24 |
| Ya'll Come | Santa Anita, 01-Mar-26 |
| Yaani | Turfway Park, 15-Mar-25 |
| Yaas | Nottingham, 01-Aug-24 |
| Yabba Dabba Dude | Charles Town, 21-Mar-25 |
| Yacht Boy | Woodbine, 16-Dec-24 |
| Yacht Intentions | Presque Isle Downs, 20-May-25 |
| Yachtsmen | Charles Town, 06-Apr-24 |
| Yadi | Presque Isle Downs, 15-Oct-25 |
| Yadirayadirayadira | Tampa Bay Downs, 01-Mar-26 |
| Yaegiri | Niigata, 26-Oct-25 |
| Yah Huh | Finger Lakes, 21-Jun-23 |
| Yahmo | Colonial Downs, 13-Aug-24 |
| Yahoo Omar | Penn National, 30-Oct-25 |
| Yak | Lone Star Park, 27-Apr-24 |
| Yak Attack | Remington Park, 15-Nov-23 |
| Yakety Yak | Fair Grounds, 27-Feb-26 |
| Yakety Yock | Louisiana Downs, 01-Sep-24 |
| Yakozuki | Tampa Bay Downs, 01-Dec-24 |
| Yaleo | Santa Anita, 16-Oct-23 |
| Yalorde | Gulfstream, 13-Oct-25 |
| Yamal | Gulfstream, 06-Oct-25 |
| Yamato | Churchill Downs, 26-May-25 |
| Yamile's | Churchill Downs, 01-Nov-25 |
| Yammy Yammy Bella | Tampa Bay Downs, 21-Feb-26 |
| Yamujin Jaesu | Seoul, 24-Mar-24 |
| Yanara | Sunland Park, 31-Mar-24 |
| Yancey | Colonial Downs, 04-Sep-25 |
| Yancopin | Oaklawn Park, 06-Mar-26 |
| Yanel | Zia Park, 07-Dec-25 |
| Yangarra | Charles Town, 30-Nov-25 |
| Yanira | Horseshoe Indianapolis, 29-Sep-23 |
| Yankee Agate | Aqueduct, 18-Feb-24 |
| Yankee Dollar | Gulfstream, 06-Mar-26 |
| Yankee Doodle | Aqueduct, 28-Feb-26 |
| Yankee Doodle Kid | Charles Town, 09-Jan-26 |
| Yankee Drummer | Gulfstream, 02-Feb-26 |
| Yankee Go Home | Emerald Downs, 24-Jun-23 |
| Yankee Humor | Turf Paradise, 18-Mar-25 |
| Yankee Indian | Lone Star Park, 23-Jun-24 |
| Yankee Storm | Gulfstream, 08-Jul-23 |
| Yankee Tea Party | Turf Paradise, 17-Dec-24 |
| Yankees Miracles | Remington Park, 14-Dec-23 |
| Yankeestrolgy | Fair Grounds, 18-Feb-26 |
| Yantar | Morphettville, 11-May-13 |
| Yaqin | Los Alamitos Racecourse, 08-Dec-25 |
| Yaqui Valley | Laurel Park, 12-Aug-24 |
| Yara's Quest | Colonial Downs, 04-Sep-25 |
| Yarborough | Keeneland, 05-Oct-24 |
| Yardman | Presque Isle Downs, 10-Oct-25 |
| Yareakh | Charles Town, 11-Jul-25 |
| Yaree D Tat | Turfway Park, 21-Feb-26 |
| Yarrow | Saratoga, 28-Aug-25 |