| Quack | |
|---|---|
| Sire | T.V. Lark |
| Grandsire | Indian Hemp |
| Dam | Quillon |
| Damsire | Princequillo |
| Sex | Stallion |
| Foaled | February 26, 1969[1] |
| Country | United States |
| Colour | Bay |
| Breeder | Bwamazon Farm (Millard Waldheim) |
| Owner | Bwamazon Farm |
| Trainer | Charles E. Whittingham |
| Record | 23: 8-6-2 |
| Earnings | US$514,400 |
| Major wins | |
| Will Rogers Stakes (1972) California Derby (1972) Hollywood Gold Cup (1972) San Bernardino Handicap (1973) Californian Stakes (1973, 1974) | |
| Last updated on May 26, 2010 | |
Quack (February 26, 1969 – January 17, 1995) was an American Thoroughbred racehorse who holds the world record for a three-year-old with the fastest mile and a quarter ever run on dirt.