| Name ▲ | Age | Gender | Owner | Actions |
|---|
| Washi Tape | 9 | Gelding | Denoux Stud | |
| Washington Verde | 16 | Stallion | Final Furlong | |
| Washington Warrior | 16 | Stallion | Final Furlong | |
| Washingtonian | 16 | Gelding | Final Furlong | |
| Wataha | 6 | Mare | Clicker Lab | |
| Watch In Awe | 10 | Gelding | Dreadnought | |
| Watch Me Quick | 20 | Gelding | Final Furlong | |
| Watch Over Me | 10 | Gelding | Kismet Thoroughbreds | |
| Watch Your Money | 15 | Gelding | Hidden Oak Farm | |
| Watch and Wager | 16 | Stallion | Final Furlong | |
| WatchforWaterfalls | 14 | Stallion | Final Furlong | |
| Watchman | 10 | Stallion | Marshall Creek Ranch | |
| Water Bill | 13 | Stallion | Final Furlong | |
| Water Chestnut | 15 | Gelding | Final Furlong | |
| Water Horse | 14 | Stallion | Final Furlong | |
| Water Temple | 10 | Gelding | Clicker Lab | |
| Water Tiger | 19 | Gelding | Final Furlong | |
| WaterBalloonFight | 11 | Stallion | Final Furlong | |
| Waterbender | 8 | Gelding | Black Storm West | |
| Watercolor Warrior | 8 | Stallion | Rainee Thoroughbreds | |