| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Uronometro | bay | c | 1994 | Lemon Dra | Queen of the Sea | French Trotter | Italy | |
| Uroven | bay | c | 2004 | 011973(А) Volt | 026229 Uplata | Trotter | ch/v Login N.I. Omskaia obl. | |
| 012071 Urs | chestnut | c | 1989 | 011001(А) Restless Spirit | 020527 Uverennaya | Trotter | OKZ VNIIK | |
| Urs d'Erevan | bay | c | 1986 | Jiosco | Jasmina Williams | French Trotter | France | |
| Ursa Major | chestnut | f | 1964 | Harold D. | Cassiopee II | French Trotter | France | |
| Ursin L. | bay | c | 1964 | Mario | French Trotter | France | ||
| Ursinia | d.-bay | f | 1964 | Carioka II | French Trotter | France | ||
| Ursis | chestnut | c | 1986 | Hadol du Vivier | Clissa | French Trotter | France | |
| Ursul | bay | c | 1992 | 011001(А) Restless Spirit | 021666 Uprugaya | Trotter | Gestut "Rjasanski" | |
| 01113 Ursula | bay | f | 1921 | Trotter | Neustanovlennoe khozyajstvo |