| Harold | |
|---|---|
| Sire | Leamington |
| Grandsire | Faugh-a-Ballagh |
| Dam | Maggie B. B. |
| Damsire | Australian |
| Sex | Stallion |
| Foaled | 1876 |
| Country | United States |
| Colour | Chestnut |
| Breeder | Aristides Welch |
| Owner | George L. Lorillard |
| Trainer | R. Wyndham Walden |
| Record | Not found |
| Earnings | Not found |
| Major wins | |
| Flash Stakes (1878) Saratoga Stakes (1878) July Stakes (1878) Triple Crown wins: Preakness Stakes (1879) | |
| Awards | |
| American Champion Two-Year-Old Colt (1878) | |
Harold (foaled 1876 in Pennsylvania) was an American Thoroughbred racehorse.