| Yaas | Nottingham,
01-Aug-24 |
| Yaaser | Musselburgh,
05-Nov-25 |
| Yaazaain | Newton Abbot,
28-Jun-23 |
| Yabadabadoo | Sandown-Hillside,
25-May-24 |
| Yabane | Chukyo,
16-Aug-25 |
| Yabba Dabba Dude | Charles Town,
21-Mar-25 |
| YABBA GABBA | |
| Yabby Pump | Newcastle,
02-Oct-25 |
| Yabe Go Sweet | Funabashi,
09-Aug-23 |
| Yabher | Newmarket,
10-Oct-25 |
| Yabo | Tramore,
26-Nov-24 |
| Yaboroo | Royal Randwick,
03-Oct-15 |
| Yabulu Princess | Home Hill,
12-Nov-22 |
| Yabusame | Hanshin,
23-Mar-25 |
| Yacaaba | Dubbo,
17-Jul-20 |
| Yacabu | Concepcion,
03-Jan-25 |
| Yacaeran | San Isidro,
15-Sep-24 |
| Yachiyo | Moonee Valley,
06-Sep-25 |
| Yacht Boy | Woodbine,
16-Dec-24 |
| Yacht Club | Bendigo,
03-Jun-17 |
| Yacht Girl | Armidale,
27-Feb-25 |
| Yacht Intentions | Presque Isle Downs,
20-May-25 |
| Yacht Rock | Sam Houston Race Park,
08-Mar-25 |
| Yachtie | Gosford,
21-Dec-23 |
| Yachtsman | Windsor,
19-Aug-25 |
| Yachtsmen | Charles Town,
06-Apr-24 |
| YACKETY SAX | Devonport Tapeta Synthetic,
01-Jun-14 |
| Yacki | Townsville,
13-Mar-12 |
| Yacklin | Club Hipico Santiago,
04-Nov-23 |
| Yacomo | Strasbourg,
05-Oct-25 |
| Yacowlef | Del Mar,
18-Aug-25 |
| Yadi | Presque Isle Downs,
15-Oct-25 |
| Yadirayadirayadira | Gulfstream,
18-Aug-25 |
| Yadreamin' | Ascot,
20-Nov-21 |
| Yaebenishidare | Chukyo,
26-Jan-25 |
| Yaegiri | Niigata,
26-Oct-25 |
| Yael's Delight | Dubbo,
04-May-25 |
| Yaella | Hipodromo Chile,
28-Mar-25 |
| Yaeno Shine | Mizusawa,
29-Dec-24 |
| Yafa | Hipodromo Chile,
01-Sep-23 |
| Yafaarr | Newcastle,
28-Oct-25 |
| Yafi | Mont De Marsan,
25-Aug-25 |
| Yagan | Southwell,
15-Mar-23 |
| Yaggera | Bordeaux Le Bouscat,
21-Oct-25 |
| Yagiri Beryl | Mizusawa,
23-Mar-24 |
| Yagiri Epipha Kun | Urawa,
23-Aug-24 |
| Yagiri Ibis | Funabashi,
04-Nov-25 |
| Yagiri Kehaya | Kawasaki,
10-Sep-25 |
| Yagiri Odin | Morioka,
20-May-24 |
| Yah Huh | Finger Lakes,
21-Jun-23 |
| Yah Mo Be There | York,
22-Aug-25 |
| Yahmo | Colonial Downs,
13-Aug-24 |
| Yaho Golden Cat | Seoul,
11-May-24 |
| Yaho Super Cat | Seoul,
22-Jun-24 |
| Yahoo Omar | Penn National,
30-Oct-25 |
| Yahshua | Hipodromo Chile,
04-May-25 |
| Yahuskin | Orange,
09-Oct-25 |
| Yaiba | Kanazawa,
10-Dec-24 |
| Yailyn | Club Hipico Santiago,
17-May-25 |
| Yairo Wave | Kochi,
27-Apr-25 |