| Unwavering | Pinjarra,
09-Apr-12 |
| Unwavering | Sunray Park,
24-May-25 |
| Unwhirled | Thistledown,
15-Aug-24 |
| Unwind | Strathalbyn,
20-Aug-25 |
| Unwise | Warwick Farm,
01-Aug-18 |
| Unwoke | Riccarton Park,
25-Oct-25 |
| Unwoke | Finger Lakes,
21-Oct-25 |
| Unwooded Spirit | NMIT Kyneton Park,
31-Jan-10 |
| Unworkable | Horseshoe Indianapolis,
16-Oct-25 |
| UNWORRY | Grafton,
14-Jan-10 |
| Unwrapped | Turfway Park,
09-Feb-24 |
| Unwritten | Taupo,
17-Aug-25 |
| Unwritten | Mudgee,
07-Sep-25 |
| Unwritten Code | Del Mar,
20-Jul-25 |
| UNWRITTEN LAW | Cessnock,
07-Apr-09 |
| Unwritten Rule | Kochi,
01-Nov-25 |
| Unxpected Tiger | Delaware Park,
16-Jun-24 |
| Unyielding | Sportsbet-Pakenham Synthetic,
31-Aug-20 |
| Unyielding | Fairview,
30-Aug-24 |
| Unyielding | Mountaineer,
08-Oct-24 |
| Unzaga | Pakenham Synthetic,
15-Jul-24 |
| Unzen | Turffontein,
30-Nov-24 |
| Unzip Me Lord | Del Mar,
05-Aug-24 |
| Unzipped | Ellis Park,
07-Jul-24 |
| Uokhun | Market Rasen,
09-May-25 |
| Uome | Mountaineer,
03-Sep-25 |
| Uotaka | Morioka,
14-Jul-24 |
| Uottalikeit | Thistledown,
19-Sep-23 |
| Up | Broken Hill,
11-Mar-23 |
| Up 'n' Booming | Racing.com Park,
01-Feb-18 |
| Up 'n' Flying | Hastings,
20-Jul-23 |
| Up 'n' Gone | Hawera,
25-Aug-24 |
| Up A Lazy River | Los Alamitos Racecourse,
02-Nov-25 |
| Up Aegis | Nagoya,
30-Oct-25 |
| Up Against It | Newcastle,
06-Jul-13 |
| Up Against It | Laurel Park,
18-Jan-25 |
| Up All Night | bet365 Echuca,
02-Jun-22 |
| Up And Ablaze | Beaudesert,
11-Sep-15 |
| Up And About | Northam,
23-Oct-22 |
| Up And Above | Tatura,
23-Sep-17 |
| Up And At 'em | Wangaratta,
18-Nov-13 |
| Up And Comer | Wyong,
30-Oct-25 |
| Up And Down | Keeneland,
08-Apr-24 |
| Up And Good | Lone Star Park,
05-Oct-25 |
| Up And Out | Downpatrick,
11-Aug-24 |
| Up And Under | Geelong,
02-Oct-25 |
| Up And Under | Hipodromo Chile,
22-Sep-24 |
| Up And Up | Clairefontaine,
26-Aug-25 |
| Up And Up | Sha Tin,
20-Apr-24 |
| Up Bang | Sonoda,
14-Jun-23 |
| Up Country | Ellis Park,
23-Aug-25 |
| Up Cups | Hobart,
06-Nov-18 |
| Up Feliz | Kasamatsu,
06-Nov-25 |
| Up For Adventure | Finger Lakes,
21-Nov-23 |
| Up For Appeal | Worcester,
07-Jun-25 |
| Up for It | bet365 Mildura,
23-Sep-19 |
| Up For It | Laurel Park,
03-Nov-25 |
| Up For Parol | Stratford,
01-Jun-25 |
| Up For The Chance | Mountaineer Park,
27-Nov-24 |
| Up Her Sleeve | Mountaineer,
03-Nov-25 |