Mar-Kell
| Mar-Kell | |
|---|---|
| Sire | Blenheim | 
| Grandsire | Blandford | 
| Dam | Nellie Flag | 
| Damsire | American Flag | 
| Sex | Filly | 
| Foaled | 1939 | 
| Country | United States | 
| Color | Bay | 
| Breeder | Calumet Farm | 
| Owner | Calumet Farm | 
| Trainer | Ben A. Jones | 
| Record | 53: 17-17-3 | 
| Earnings | US$84,365 | 
| Major wins | |
| Spinaway Stakes (1941) Beldame Handicap (1943) Top Flight Handicap (1943) War Admiral Purse (1943) Ruthless Purse (1943) Evening Handicap (1944) Hephaiston Purse (1944)  | |
| Awards | |
| American Champion Older Female Horse (1943) | |
| Last updated on May 30, 2021 | |
Mar-Kell (1939–1966) was an American Champion Thoroughbred racehorse. Her dam was the 1934 American Champion Two-Year-Old Filly Nellie Flag, and her sire was the 1930 Epsom Derby winner Blenheim, who had been imported to the United States in 1937 by a syndicate that included Mar-Kell's breeder, Calumet Farm.