| Behave Yourself | |
|---|---|
&sq=Bangladesh&lang=en&file=File:Behave_Yourself_(horse).jpg) Behave Yourself after winning the 1921 Kentucky Derby | |
| Sire | Marathon |
| Grandsire | Martagon |
| Dam | Miss Ringlets |
| Damsire | Handball |
| Sex | Stallion |
| Foaled | 1918 |
| Country | United States |
| Colour | Bay |
| Breeder | Edward R. Bradley |
| Owner | Edward R. Bradley |
| Trainer | Herbert J. Thompson |
| Record | 18: 4-2-1 |
| Earnings | $58,772 |
| Major wins | |
| Queen City Handicap (1920) Triple Crown Race wins: Kentucky Derby (1921) | |
Behave Yourself (1918–1937), by Marathon out of Miss Ringlets (by Handball), was an American Thoroughbred racehorse. He was one of four Kentucky Derby winners owned by Colonel Edward R. Bradley and was the upset winner of the 1921 Kentucky Derby over his stablemate Black Servant (also owned by Bradley).