| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Spring Chicken | chestnut | f | 1904 | Gallinule | Springthorn | Thoroughbred | Great Britain | |
| Spring Cleaning | chestnut | f | 1915 | Neil Gow | Spring Night | Thoroughbred | France | |
| Spring Double | bay | c | 1963 | Double Jay | Sunset Gun | Thoroughbred | USA | |
| Spring Flight | bay | f | 1987 | Miswaki | Coco La Investment | Thoroughbred | ||
| Spring Grass | bay | f | 1893 | Thoroughbred | Great Britain | |||
| Spring Gun | chestnut | f | 1880 | Springfield | Ambuscade | Thoroughbred | Great Britain | |
| Spring Haven | c | African Sky | Marsville | Thoroughbred | Ireland | |||
| Spring in Virginia | bay | f | 1975 | Flit-to | Hava Nice Day | Thoroughbred | USA | |
| Spring Is Here | f | In Reality | First Feather | Thoroughbred | USA | |||
| Spring Is Sprung | f | Herbager | Pleasant Flight | Thoroughbred | USA |